ハマイ List of Products and Services

A full bore ball valve with a built-in spring that can be used regardless of orientation, equipped with a locking mechanism. It is also possible to lock it out using a padlock. ◆【Product Features】 - Can be locked in both closed and open positions. - The lock can be easily released with simple operation. - 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. - Since it has a built-in spring, the locking mechanism can be used regardless of orientation. - There are also oil-free versions and versions without handle coating 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 some time.

Are you facing challenges such as "it takes time to respond to substance content investigations," "managing 4M changes is difficult," "there are many instances of damage and leaks," and "there is a risk of accidents due to operational errors"? With Hamai's domestically manufactured ball valves, we achieve quick responses and stable quality through integrated production from procurement to assembly. In fact, many major manufacturers have seen improvements in operations and accident prevention. ▼ Case Studies - Construction machinery manufacturer: Contributed to a significant reduction in damage issues and zero accidents. - Oil plant manufacturer: Eliminated labor accident risks by preventing operational errors. - Semiconductor manufacturing equipment manufacturer: Submitted investigation documents within a week, greatly reducing the burden of quality control. For more details, please check the "Download Catalog" link below.

Equipped with a unique locking mechanism that can securely fix the valve in fully open or fully closed positions with just one 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. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Equipped with a handle locking function that securely locks in fully open/fully closed positions - Knob handle that is optimal for narrow piping - High-strength integrated body made through hot forging - Excellent corrosion resistance and durability with PTFE - Anti-protrusion structure with the stem assembled from the inside of the body ■【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>.

Equipped with a unique locking mechanism that can fix the valve in fully open or fully closed positions with a single touch. This prevents accidents such as unintended opening and closing of the handle due to contact with people or objects, or vibrations. The handle is compact, making it ideal for narrow piping. - Features a handle lock function that ensures reliable locking in fully open/fully closed positions - Lever handle with excellent operability - High-strength integrated body made through hot forging - Made with PTFE for 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>.

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>.

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).

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>.

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>.

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>.

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>.

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>.

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>.

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.

A basic model with a high-strength integrated forged body that minimizes fluid leakage. The butterfly handle design is ideal for narrow piping and small devices. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Butterfly handle/wing handle optimal for narrow piping - High-strength integrated body made by hot forging - Adopts a floating ball valve structure - Uses PTFE with excellent corrosion resistance and durability - Anti-extrusion structure with the stem assembled from inside the body - Oil-free specification available (models BBS-322/323/625) ■【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, responding to all needs with the highest product quality. ★【Custom Orders / Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

A basic model with a high-strength integrated forged body that minimizes fluid leakage. It achieves superior strength compared to cast products and is ideal for piping in narrow spaces and integration into compact devices. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Lever handle with excellent operability - High-strength integrated body made by hot forging - Made with PTFE for excellent corrosion resistance and durability - Anti-ejection structure with the stem incorporated from the inside of the body - Oil-free specification available (BBS-92/621 type) ■【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, 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>.