ハマイ List of Products and Services

"Frequent breakdowns are becoming a hassle," "There are parts that are very troublesome to replace when they break," "There are devices in locations that are difficult to handle if they break, such as export products," "The manufacturer does not respond to investigations or issues even when they break." Such concerns about overseas products can be addressed by Hamai with thorough management of domestically manufactured products. Our ball valves are manufactured, assembled, and cleaned in our own domestic factory, providing a consistent response. We balance the quality required for industrial equipment with a mass production system, making them affordable and safe to use. 【Features】 - Domestic manufacturing: A rare "pure domestic" product for small-diameter valves. - Complete traceability: Fully managed in-house from assembly to shipment. - Stable delivery times: Domestic production minimizes the long lead times often associated with overseas products. - Short lead time response: Available immediately due to stock on hand (*). - Enhanced safety: Valves with lockout features are also available. *Please consult us if you have a bulk order. 【Free Case Study Collection Available】 We are currently publishing a collection of case studies on construction machinery! Please download it from the PDF. *Custom orders and modifications are also available. For more details, please contact our [Tokyo Headquarters] at TEL 03-3492-6655 (Receptionist / Second Sales).

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"After hitting the handle, it opened on its own." "Since I miscalculated the amount, I have no choice but to discard it." Such operational issues can be addressed with Hamai's lockable ball valves. The locking mechanism is made of metal, so it won't disengage even under strong impact. Our ball valves have a built-in spring that ensures reliable locking regardless of orientation, making them ideal for safety measures. 【Features】 - Domestic manufacturing: A rare "pure domestic" product for small-diameter valves. - Complete traceability: In-house management from assembly to shipping. - Integrated lock: Takes up less space compared to retrofitted locking solutions. - Built-in spring: Can be used regardless of orientation. - Short delivery times: Available immediately due to stock on hand (※1). - Lockout compatible: Some products can also be key-locked with a padlock. ※1 Please consult us if you have a bulk order. 【Free Case Study Collection Available】 We are currently offering a collection of case studies from chemical plants! Please download it in PDF format.

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"I didn't expect it to suddenly burst out." "I thought it was closed." Such oversights in safety measures can be addressed with Hamai's lockable products. Ball valves can change their opening and closing when they hit the handle. There are cases where hot water or high-pressure water can flow unexpectedly, leading to accidents. Our ball valves are equipped with a built-in spring that allows for secure locking regardless of orientation, making them ideal for safety measures. 【Features】 - Domestic manufacturing: A rare "pure domestic" product in small-diameter valves. - Complete traceability: Consistent in-house management from assembly to shipment. - Integrated lock: Takes up less space compared to retrofitted locking solutions. - Built-in spring: Can be used regardless of orientation. - Short delivery time: Available immediately due to stock on hand (※1). - Lockout compatible: Some products can also be key-locked with a padlock. ※1 Please consult us if you have a bulk order. 【Free Case Study Collection Available】 We are currently offering a collection of case studies from chemical plants! Please download it in PDF format.

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"Intense temperature changes between day and night" "Constantly occurring intense vibrations" Hamai's ball valves are used in construction machinery exposed to such environments. We manufacture high-strength, reliable forged products at our domestic factory. We recommend our products to those experiencing troublesome breakage issues overseas or using them in critical areas where breakage is a significant problem. There are also cases where the number of troubles from overseas products has decreased. 【Features】 - Domestic manufacturing: A rare "pure domestic" option for small-diameter valves. - Abundant forged products: Available in brass and stainless steel. (*) - Complete traceability: In-house integrated management from assembly to shipment. - Short delivery times: Available immediately due to stock. - Enhanced safety: Valves with lockout functions are also included in the lineup. *Some specifications may be made from cast materials. 【Free Case Study Collection Available】 We are currently publishing a collection of case studies on the use of our products in construction machinery! Please download it from the PDF. *Custom orders and modifications are also available. For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Equipped with a unique locking function that can fix the valve in the fully open or fully closed position with a single touch. This prevents accidents such as the handle unintentionally opening or closing due to contact with people or objects, or vibrations. The handle is compact, making it ideal for narrow piping. - Features a handle locking function that ensures reliable locking in the fully open/closed position - Lever handle with excellent operability - High-strength integrated body made through hot forging - Made with PTFE, which offers excellent corrosion resistance and durability ■【Product Quality Recognized by Professionals】 Hamai's ball valves are top-class high-performance ball valves with a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Equipped with a unique locking mechanism that can securely fix the valve in fully open or fully closed positions with a single touch. This prevents accidents such as the handle unintentionally opening or closing due to contact with people or objects, or vibrations. The knob handle design is ideal for narrow piping. Thanks to Hamai's latest valve technology, these products are manufactured in our domestic factory and comply with RoHS standards. ■【Features】 - Equipped with a handle locking function. Ensures secure locking in fully open/fully closed positions. - Knob handle ideal for narrow piping. - High-strength integrated body made through hot forging. - Made with PTFE for excellent corrosion resistance and durability. - Anti-protrusion structure with the stem assembled from the inside of the body. ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tool manufacturers, primarily among major companies, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact our [Tokyo Headquarters] at TEL 03-3492-6655 (Receptionist / Second Sales).

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The ball valve 'TSS-140' with a spring-type locking mechanism is a full-bore ball valve equipped with a dual safety mechanism that includes both spring locking and key locking. It can be securely locked in either the open or closed position, regardless of orientation, preventing malfunctions due to human error, vibrations, or impacts. The integrated locking mechanism allows for space-saving use. It also supports lockout using a padlock (sold separately), contributing to safety measures for equipment and piping systems. 【Features】 ■ Secure locking in both fully open and fully closed positions due to the built-in spring ■ Integrated locking mechanism that does not require additional installation space ■ Lockout operation using a padlock is possible ■ Pursuit of low costs through domestic mass production ■ Quick response to documentation requests (complete traceability including investigation of contained substances) *For more details, please refer to the materials. Feel free to contact us with any inquiries.

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Hamai's latest valve technology is produced in our domestic factory. Recommended for those troubled by specifications being changed arbitrarily by overseas manufacturers! 【Features】 - One of the few domestically manufactured small-diameter valves - Achieves robust traceability as we assemble and manufacture in-house - Provides completely oil-free products with no residue, as we clean before assembling parts - Available immediately from our stock (※) - A lineup of valves with lockout functions! ※ Please consult us if you have a bulk order. We are currently offering a free collection of case studies on the use of our ball valves in semiconductor manufacturing equipment. ■【Product Quality Recognized by Professionals】 Hamai's ball valves boast a track record of mass supply (OEM) to various industrial equipment and machine tools, primarily among major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact us at [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Hamai's latest valve technology is produced in our domestic factories. Recommended for factory safety measures and suggestions for "improvement"! 【Features】 - One of the few small-diameter valves equipped with safety features - Usable in any orientation - Metal safety mechanism that does not move or break even if bumped by a person - We also have a lineup for those who require locking with a padlock and lockout. - Available in stock at our company, so it can be obtained immediately (*) *Please consult us if you have a bulk order. We are currently offering a free collection of case studies on the use of our ball valves in plants. ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily among major manufacturers, boasting industry-leading high-performance ball valves. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Hamai's latest valve technology is produced in our domestic factories. 【Features】 - High reliability due to domestic production. - For those troubled by strength issues, cracks, and leaks caused by the occurrence of voids in cast products, we offer high-strength forged ball valves that are less likely to have internal defects. - Custom valves tailored to your company's issues, such as vibration countermeasures and abnormal pressure rise (liquid seal) measures, as well as panel mount and joint ball valves, can also be manufactured to suit your usage environment. We are currently offering a collection of case studies on the use of our ball valves for free. ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, boasting industry-leading high-performance ball valves. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【We accommodate custom orders and modifications】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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A full-bore equivalent ball valve with a key lock function added via a sleeve, based on the TSS-01 model. It is oil-free and compliant with the RoHS directive (10 substances). It ensures reliable locking in fully open and fully closed states, making it effective for safety measures in semiconductor manufacturing equipment and similar applications. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Ideal for lockout of semiconductor manufacturing equipment and facility piping - Reliable locking in fully open and fully closed positions due to the spring-type locking mechanism - Capable of locking in various installation locations, including vertical and reverse piping - Full-bore equivalent specifications that can handle large flow rates ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact our [Tokyo Headquarters] at TEL 03-3492-6655 (Reception: Ogawa, Tsuzuki, Sanada, Ohsawa).

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A full bore ball valve with a built-in spring that can be used regardless of orientation, equipped with a locking mechanism. It can also be locked out using a padlock. ◆【Product Features】 - Can be locked in both closed and open positions. - Easy operation for unlocking. - Even if the handle is accidentally bumped, it locks securely to prevent unintended opening and closing. - We produce in lots and keep stock, so we can deliver immediately. (*1) - The locking mechanism is integrated with the valve, allowing for space-saving use compared to external locking mechanisms. - Lockout is possible by passing a padlock through it. - With a built-in spring, the locking mechanism can be used regardless of orientation. - There are oil-free specifications and handle coating-free options available. We have some in stock, so please feel free to consult us. (*1) Please consult us if you have a bulk order. There may be cases where stock is insufficient, and delivery may take longer.

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A ball valve from Hamai that boasts complete oil-free operation. This is a basic knowledge document explaining the reasons why oil-free operation is necessary for valve manufacturers. [Contents] - Industries and case studies where it is used - Explanation of general oil-free products - Issues arising from the use of non-oil-free products

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We realize custom manufacturing of spring-type safety valves, relief valves, and blow-off valves tailored to the needs of our users. You can choose from materials such as brass and stainless steel, and we can accommodate a wide range of specifications for connection diameters and set pressures. Thanks to Hamai's latest valve technology, these products are produced in our domestic factory. ■【Features】 - Materials available in brass and stainless steel, with connection diameters ranging from 06A to 20A (1/8B to 3/4B) - Set pressures can be accommodated from 0.3 to 1.10 MPa, with a wide range of options available (*For other thread standards, materials, or set pressures, please consult our sales department.) ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact our [Tokyo Headquarters] at TEL 03-3492-6655 <Second Sales Department>.

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A full-bore equivalent ball valve with a key lock function added via a sleeve, based on the TSS-01 model. It is oil-free and compliant with the RoHS directive (10 substances). It ensures reliable locking in both fully open and fully closed states, making it effective for safety measures in semiconductor manufacturing equipment and similar applications. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Ideal for lockout of semiconductor manufacturing equipment and facility piping - Reliable locking in fully open and fully closed positions due to the spring-type locking mechanism - Capable of locking in various installation locations, including vertical and reverse piping - Full-bore equivalent specification that can handle large flow rates ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Reception: Ogawa, Tsuzuki, Sanada, Osawa>.

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High-grade oil-free stainless steel ball valve compliant with RoHS directive (6 substances). The three-part design allows for disassembly and cleaning. An advanced oil-free specification is implemented with additional solvent cleaning for the finished product, and it is shipped in individual packaging. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Disassembly and cleaning possible with three-part welded connections - Advanced oil-free specification - Full bore equivalent type with low fluid resistance and pressure loss - Made with SCS13, excellent in corrosion resistance and heat resistance - Made with PTFE, excellent in corrosion resistance and durability - Improved airtightness with conical spring ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of large-scale supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, boasting top-class performance in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Reception: Ogawa, Tsuzuki, Sanada, Ozawa>.

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RoHS directive (6 substances) compliant, 40NW size stainless steel NW flange connection ball valve. Suitable for sanitary piping. The standard bore structure minimizes the step in the flow path, reducing the occurrence of liquid retention. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Disassembly and cleaning possible with NW flange connection - Made of SCS14, which has excellent corrosion and heat resistance. Suitable for sanitary piping - Usable under a wide range of conditions with fluorine rubber O-rings - Anti-extrusion structure with the stem assembled from the inside of the body - Improved airtightness with a conical spring ■【Product Quality Recognized by Professionals】 Hamai's ball valves are top-class high-performance ball valves with a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Reception: Ogawa, Tsuzuki, Sanada, Oosawa>.

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The basic model of the stainless steel three-way ball valve "RSS-14" has been made oil-free. Each part is degreased and cleaned using a hydrocarbon-based cleaning machine, and after drying, it is assembled without using any oil with bare hands and shipped in individual packaging. Thanks to Hamai's latest valve technology, it is produced in our domestic factory. ■【Features】 - Achieves complete oil-free status by removing grease and other oils - Lot production that realizes low costs - Maintains a constant manufacturer inventory for immediate delivery - Quick issuance of various documents, including oil-free treatment certificates - Uses SUSF316, which has excellent corrosion and heat resistance ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily among major manufacturers, boasting industry-leading high-performance ball valves. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact us at [Tokyo Headquarters] TEL 03-3492-6655.

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Stainless steel gauge valve equipped with a flexible screw function. The flexible screw allows for easy fixing of the orientation of the pressure gauge and handle, achieving space-saving design. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 ● Equipped with a flexible screw for easy orientation adjustment ● Can be installed without rotating the pressure gauge, making it usable near walls and equipment ● Usable with various fluids such as water, gas, and oil (Note 1) ● Can be used in high-temperature and high-pressure environments compared to equivalent products from other companies Note 1: Please consult us when using hazardous fluids such as flammable, toxic, or high-pressure gases. ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655.

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A stainless steel ball valve with male threads integrated with the body, featuring male × female connections. The robust one-piece structure prevents leaks, shortens installation time for fittings, and enhances piping efficiency. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 ● The butterfly handle can be installed in tight spaces where there is no room to turn a lever handle. ● Female connection products are also available in the lineup. ● High-strength and reliable forged body. ● Please consult us if you require a non-oil specification. ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of large-scale supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact our [Tokyo Headquarters] at TEL 03-3492-6655 (Reception: Ogawa, Tsuzuki, Sanada, Ohsawa).

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A super compact stainless steel ball valve compatible with small diameter 06A. It has high corrosion resistance and is ideal for piping in very narrow spaces and for installation in small devices due to the adoption of a butterfly handle type. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 ● In areas where there is no room to turn a lever handle, a butterfly handle can be installed without taking up space. ● Products with male and female connections are also available. ● High-strength and reliable forged body. ● Please consult us if you require a non-oil specification. ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of large-scale supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact us at [Tokyo Headquarters] TEL 03-3492-6655 <Reception: Ogawa, Tsuzuki, Sanada, Osawa>.

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A compact pneumatic automatic valve made of stainless steel with excellent corrosion resistance, equivalent to a full bore. It can be disassembled for cleaning due to its flange connection. The detachable small actuator can be rotated every 90° to fit the installation location. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Lightweight and compact design, ideal for installation in narrow piping - Internal components can be disassembled for cleaning due to the flange connection - The actuator is small, high-torque, rust-resistant, and lightweight, with the ability to rotate every 90° - Operates with a double-acting mechanism powered solely by air pressure ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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A small pneumatic automatic valve made of stainless steel with excellent corrosion resistance. The aluminum actuator equipped with a rack and pinion mechanism is high torque, lightweight, and compact, making it ideal for installation in tight spaces and small devices. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Lightweight and compact design, perfect for installation in narrow piping - The actuator is small yet high torque, resistant to rust, and lightweight - Operates with a double-acting mechanism powered solely by air pressure - Made from SCS14, which has excellent corrosion and heat resistance - Utilizes PTFE sheets that are highly resistant to corrosion and durable ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Stainless steel NW connection ball valve. The standard bore structure minimizes the step in the flow path, suppressing the occurrence of liquid retention. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Disassembly and cleaning possible with NW flange connection - Made with SCS14, which has excellent corrosion and heat resistance - Seat made of PTFE, known for its excellent corrosion resistance and durability - Usable under a wide range of conditions due to fluorine rubber O-rings - Improved airtightness with conical springs ■【Product Quality Recognized by Professionals】 Hamai's ball valves are top-class high-performance ball valves with a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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A full bore equivalent ball valve with a key lock function using a padlock (sold separately), based on the TSS-01 model. It is oil-free and compliant with the RoHS directive (10 substances). It securely locks in both fully open and fully closed states, making it effective for safety measures in semiconductor manufacturing equipment and more. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Ensures reliable lockout regardless of the piping installation direction - The locking mechanism is integrated with the valve, saving space compared to retrofitting methods - Quick document processing is possible due to domestic production - Maintains cleanliness for an extended period as there is no handle coating - High flow rate and full bore equivalent ■【Product Quality Recognized by Professionals】 Hamai's ball valves are top-class high-performance ball valves with a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily among major manufacturers. They are adopted as genuine parts by various companies, responding to all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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The basic model of the full-bore stainless steel ball valve "TSS-01" has been made oil-free. Each part undergoes degreasing and cleaning, assembled without using any oil, and shipped in individual packaging. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Achieves complete oil-free status by removing oils such as grease - Lot production that realizes low costs - Maintains a constant inventory for immediate delivery - Quick issuance of various documents, including oil-free treatment certificates - Oil-free specification model based on the TSS-01 type - Made from SCS14, which has excellent corrosion and heat resistance ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of large-scale supply (OEM) to various industrial equipment and machine tools, primarily among major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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The stainless steel ball valve "BSS-22/126/822" with butterfly handle or wing-type handle has been made oil-free. Each part undergoes degreasing and cleaning, is assembled without using any oil, and is shipped in individual packaging. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Oil-free specification model based on the BSS-22/126/822 type - Made of SUS316, which has excellent corrosion and heat resistance - Achieves complete oil-free status by removing grease and other oils - Lot production that realizes low costs - Maintains a constant manufacturer inventory for immediate delivery - Quick issuance of various documents, including oil-free treatment certificates ■【Product Quality Recognized by Professionals】 Hamai's ball valves are top-class high-performance ball valves with a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Second Sales>.

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The butterfly handle type stainless steel ball valve "BSS-01/820" is oil-free. Each part undergoes degreasing and cleaning, and after drying, it is assembled without using any oil with bare hands and shipped in individual packaging. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Oil-free specification model based on the BSS-01/820 type - Made of SUS316, which has excellent corrosion and heat resistance - Achieves complete oil-free status by removing oils such as grease - Lot production that realizes low costs - Maintains a constant manufacturer inventory for immediate delivery - Quick issuance of various documents, including oil-free treatment certificates ■【Product Quality Recognized by Professionals】 Hamai's ball valves are top-class high-performance ball valves with a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Adopting a compact knob handle. An economical stainless steel ball valve that ensures a large flow rate equivalent to a full bore. High cost performance is achieved through simplification of design and manufacturing. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - High cost performance achieved through simplification of design and manufacturing - Optimal knob handle for narrow piping - Full bore equivalent type with low fluid resistance and pressure loss - Made from SCS14A, which has excellent corrosion and heat resistance - Improved airtightness with a conical spring ■【Product Quality Recognized by Professionals】 Hamai's ball valves are top-class high-performance ball valves with a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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An economical stainless steel ball valve that ensures a large flow rate equivalent to a full bore. By simplifying design and manufacturing, it achieves high cost performance. It is equivalent to a full bore with minimal fluid resistance. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - High cost performance achieved through simplified design and manufacturing - Full bore equivalent type with low fluid resistance and pressure loss - Made from SCS14A, which has excellent corrosion and heat resistance - Anti-extrusion structure with the stem assembled from inside the body - Improved airtightness with a conical spring ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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This is an economical model that uses stainless steel (SCS14A) with excellent corrosion resistance and features a compact knob handle. By simplifying design and manufacturing, it achieves high cost performance. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Achieves high cost performance through simplified design and manufacturing - Adopts a knob handle ideal for narrow piping - Uses SCS14A, which has excellent corrosion and heat resistance - Utilizes PTFE, known for its corrosion resistance and durability - Improved airtightness with a conical spring ■【Product Quality Recognized by Professionals】 Hamai's ball valves are top-class high-performance ball valves with a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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An economical model that uses stainless steel (SCS14A) with excellent corrosion resistance, while also considering cost-effectiveness. By simplifying design and manufacturing, we achieve high cost performance. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - High cost performance achieved through simplified design and manufacturing - Uses SCS14A, which has excellent corrosion and heat resistance - Uses PTFE, which has excellent corrosion resistance and durability - Anti-ejection structure with the stem incorporated from the inside of the body - Improved airtightness with a conical spring ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Basic model of a stainless steel three-way ball valve. It has minimal variation in sealing performance in the flow direction and can be used from any port. The O-ring is made of fluororubber, making it suitable for a wide range of applications. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Minimal variation in sealing performance in the flow direction, usable from any port - Fluororubber O-ring enables use under a wide range of conditions - Made of SUSF316, which has excellent corrosion and heat resistance - Improved airtightness with a conical spring - Oil-free specification available (RSS-31 type) ■【Product Quality Recognized by Professionals】 Hamai's ball valves boast a track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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A full-bore type that minimizes fluid resistance and pressure loss at full opening. The body is made of corrosion-resistant stainless steel (SCS14), and its full packing structure without O-rings makes it ideal for various devices and factory piping. Produced in-house at our domestic factory using Hamai's latest valve technology. ■【Features】 - Full-bore design with low fluid resistance and pressure loss - Made with SCS14, which has excellent corrosion and heat resistance - Uses PTFE, known for its corrosion resistance and durability - Anti-extrusion structure with the stem assembled from the inside of the body - Improved airtightness with a conical spring - Oil-free specification available (TSS-30 model) ■【Product Quality Recognized by Professionals】 Hamai's ball valves boast a track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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A basic model with a high-strength integrated forged body that minimizes fluid leakage. Made of stainless steel, it has excellent corrosion resistance and heat resistance, and its butterfly handle design makes it ideal for installation in narrow piping and small devices. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Butterfly handle/wing handle ideal for narrow piping - Made with SUS316, which has excellent corrosion and heat resistance - Uses PTFE, known for its corrosion resistance and durability - Improved airtightness with a conical spring - Oil-free specifications available (models BSS-217/273/857) ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers. They are high-performance ball valves that rank among the industry's best. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders and Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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A basic model with a high-strength integrated forged body that minimizes fluid leakage. Made of stainless steel, it has excellent corrosion resistance and heat resistance, making it ideal for installation in narrow piping and compact devices due to its compact design. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Made of SUS316, which has excellent corrosion and heat resistance - High-strength integrated body created through hot forging - Improved airtightness with a conical spring - Oil-free specification available (BSS-43/833 model) ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers. They are top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Equipped with a check valve, the HBS-104-08Rc maintains a safe and smooth condition thanks to its excellent sealing Teflon O-rings and self-wiping effect. *Certified by the Japan LP Gas Equipment Inspection Association. Produced in-house at our domestic factory using Hamai's latest valve technology. ■【Features】 - Safety design with a built-in check valve - High-strength body forged at high temperatures - All airtight components use PTFE, which is excellent in corrosion resistance and durability - Two O-rings (oil-resistant NBR and cold-resistant NBR) are used in the stem section to maintain airtightness over the long term ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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The excellent sealing properties of the Teflon O-ring and the self-wiping effect ensure a consistently safe and smooth condition. Due to its high-pressure design that exceeds LIA inspection standards, it is classified as a non-inspected product. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - High durability design that withstands pressures exceeding LIA inspection standards - High-strength body with high corrosion-resistant chrome plating achieved through hot forging - All sealing components use PTFE, which excels in corrosion resistance and durability. - Two O-rings (NBR for LPG resistance) are used in the stem section to maintain airtightness over the long term. ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tool manufacturers, primarily major companies. They are top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, responding to all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Angle-type LP gas / flexible pipe gas valve equipped with a handle lock function. The handle lock mechanism further enhances safety. *Certified by the Japan LP Gas Equipment Inspection Association. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - High-strength body made by hot forging with high corrosion-resistant chrome plating - Knob handle ideal for narrow piping - Two O-rings (NBR for LPG resistance) used to maintain airtightness over the long term - Compliant with the suitability inspection of the Japan LP Gas Equipment Inspection Association (LIA) ■【Product Quality Recognized by Professionals】 Hamai's ball valves boast a track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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A straight-type LP gas / flexible pipe gas valve equipped with a handle lock function. The handle lock mechanism further enhances safety. *Certified by the Japan LP Gas Equipment Inspection Association. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - High-strength body made by hot forging with high corrosion-resistant chrome plating - Knob handle ideal for narrow piping - Two O-rings (NBR for LPG resistance) used to maintain airtightness over the long term - Compliant with the suitability inspection of the Japan LP Gas Equipment Inspection Association (LIA) ■【Product Quality Recognized by Professionals】 Hamai's ball valves boast a track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Inspection port with screw gas valve installed on the downstream side of the pressure regulator. It allows for airtight testing and air venting on both upstream and downstream sides when fully open, and airtight testing on the upstream side when fully closed. *Approved product by the Japan LP Gas Equipment Inspection Association. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Equipped with an inspection port for easy airtight testing with a quick connector. - Two O-rings (NBR for LPG resistance) used in the stem section to maintain airtightness over the long term. - Approved product by the Japan LP Gas Equipment Inspection Association (LIA). ■【Product Quality Recognized by Professionals】 Hamai's ball valves boast a track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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The inspection hole for the quick connector allows for a one-touch airtightness test. Airtightness tests and combustion pressure measurements can be performed on both the upstream and downstream sides in the fully open state, and airtightness tests and air venting can be performed on the upstream side in the fully closed state. *Approved product by the Japan LP Gas Equipment Inspection Association. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Inspection hole for easy airtightness testing with a quick connector - Equipped with a locking function using a hexagonal jig - Uses two O-rings (NBR for LPG resistance) to maintain airtightness over the long term - Allows for airtightness testing and air venting on the upstream side in the fully closed state - Complies with LIA compatibility inspection standards ■【Product Quality Recognized by Professionals】 Hamai's ball valves are top-class high-performance ball valves with a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Installed at branching points of outdoor piping and at the entrance of gas meters. The Teflon O-ring structure and self-wiping effect maintain a safe and smooth condition at all times. *Certified by the Japan LP Gas Equipment Inspection Association. Produced in-house at our domestic factory using Hamai's latest valve technology. ■【Features】 - High-strength body with high corrosion-resistant chrome plating achieved through hot forging - Compact design, ideal for narrow piping - Uses two O-rings (NBR for LPG resistance) to maintain airtightness - Compliant with the suitability inspection of the Japan LP Gas Equipment Inspection Association (LIA) ■【Product Quality Recognized by Professionals】 Hamai's ball valves have a proven track record of mass supply (OEM) to various industrial equipment and machine tools, primarily among major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, responding to all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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LP gas screw valve equipped with a locking function using a hex wrench. It can be installed at branching points of outdoor piping and gas meter inlets, and can be easily tightened in fully open/closed positions. *Approved product by the Japan LP Gas Equipment Inspection Association. Produced in-house at our domestic factory using Hamai's latest valve technology. ■【Features】 - Locking function with a hex tool - High-strength body with high corrosion-resistant chrome plating through hot forging - Knob handle ideal for narrow piping - Uses two O-rings (NBR for LPG resistance) to maintain airtightness - Compliant with the suitability inspection of the Japan LP Gas Equipment Inspection Association (LIA) ■【Product Quality Recognized by Professionals】 Hamai's ball valves boast a track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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Adopting a chrome-plated forged brass body. With excellent sealing properties provided by the Teflon O-ring and self-wiping effect, it maintains a safe and smooth condition at all times. *Certified by the Japan LP Gas Equipment Inspection Association. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - High-strength body with high corrosion-resistant chrome plating achieved through hot forging - Knob handle ideal for narrow piping - Two O-rings (NBR for LPG resistance) used in the stem section to maintain airtightness over the long term - Certified by the Japan LP Gas Equipment Inspection Association (LIA) ■【Product Quality Recognized by Professionals】 Hamai's ball valves boast a track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers, making them top-class high-performance ball valves in the industry. They are adopted as genuine parts by various companies, meeting all needs for ball valves with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

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