ハマイ List of Products and Services

Our company offers various custom manufacturing options for "ball valves." We have numerous adoption records with major industrial equipment and vehicle manufacturers. Due to our reliable quality, we have received high evaluations across various industries for many years. We can also accommodate difficult environments and conditions such as high temperature, low temperature, and high pressure. If you cannot find a product that meets your requirements and are using an expensive over-spec product as a substitute, please feel free to consult us. 【Features】 ■ Short delivery time and high quality: Domestic production allows for high-quality oil-free products to be delivered in a short time. ■ Custom orders: Hamai's custom products are fully tailored to your specifications. ■ Adaptability to difficult environments: We can handle challenging environments and conditions. *For more details, please download the PDF or feel free to contact us.

For those struggling with long lead times for oil-free products. Get high-quality oil-free ball valves right now. We quickly deliver the piping materials necessary for production sites to support stable operation of your equipment. 【Features of Hamai's Oil-Free Products】 ● Cleaning before assembly with no residual grease. ● Stock held through lot production. ● Can accommodate those using in even cleaner environments (re-cleaning of finished products, clean rooms, etc.) ● Available in brass and stainless steel products. ● Butterfly handles for space-saving options are also available. *For more details, please refer to the related links or feel free to contact us.

For those struggling with long lead times for oil-free products. Get high-quality oil-free ball valves right now. We quickly deliver the piping materials necessary for production sites to support stable operation of your equipment. 【Features of Hamai's oil-free products】 ● Cleaning before assembly of parts with no residual grease. ● Stock availability through lot production. ● Butterfly handles for space-saving options are also available. *For more details, please check the related links or feel free to contact us.

For those struggling with long lead times for non-oil products. Get high-quality non-oil ball valves right now. 【What is non-oil processing?】 In general products, lubricating oil is used inside the ball valve for smooth operation. This is the process of removing that lubricating oil. 【Purpose of non-oil processing】 It is used in clean environments where contamination by impurities and oil, like lubricating oil, is a problem. 【Features of Hamai's non-oil products】 ● No residual grease due to cleaning treatment before assembly of parts. ● Stock maintained through lot production. ● Can accommodate those using in even cleaner environments (re-cleaning of finished products, work under clean room conditions, etc.) ● Stainless steel products are available. ● Butterfly handles for space-saving options are also in the lineup. 【About Hamai's ball valves】 Hamai's industrial ball valves are among the industry's top high-performance ball valves, boasting a track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers in automotive, semiconductor manufacturing equipment, and general industry. They are adopted as genuine parts by various companies, responding to the needs for unique functions and requirements for ball valves with overwhelming quality.

For those struggling with long lead times for oil-free products. Get high-quality oil-free ball valves right now. 【What is oil-free processing?】 In general products, lubricating oil is used inside the ball valve for smooth operation. This is the process of removing that lubricating oil. 【Purpose of oil-free processing】 It is used in clean environments where contamination by impurities and oil, like lubricating oil, is a problem. 【Features of Hamai's oil-free products】 ● No residual grease due to cleaning treatment before assembly of parts. ● Stock available through lot production. ● Can accommodate those using in even cleaner environments (re-cleaning of finished products, work under clean room conditions, etc.) ● Available in brass and stainless steel products. ● A butterfly handle for space-saving is also in the lineup. 【About Hamai's ball valves】 Hamai's industrial ball valves are among the industry's top high-performance ball valves, boasting a track record of mass supply (OEM) to various industrial equipment and machine tools, mainly for automotive, semiconductor manufacturing equipment, and general industry, focusing on major manufacturers. They are adopted as genuine parts by various companies, and we respond to the needs for unique functions and requirements for ball valves with overwhelming quality.

For those struggling with long lead times for oil-free products. Get high-quality oil-free ball valves right now. 【What is oil-free processing?】 In general products, lubricating oil is used inside the ball valve for smooth operation. This is the process of removing that lubricating oil. 【Purpose of oil-free processing】 It is used in clean environments where contamination by impurities and oil, like lubricating oil, is a problem. It is especially recommended when oil contamination affects the finish. 【Features of Hamai's oil-free products】 ● No residual grease due to cleaning treatment before assembly of parts. ● Stock maintained through lot production. ● Available in brass and stainless steel products. ● Butterfly handles for space-saving options are also available. 【About Hamai's ball valves】 Hamai's industrial ball valves are among the industry's top high-performance ball valves, boasting a track record of large-scale supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers in automotive, semiconductor manufacturing equipment, and general industry. They are adopted as genuine parts by various companies, responding to the needs for unique functions and requirements for ball valves with overwhelming quality.

For those struggling with long lead times for oil-free products. Get high-quality oil-free ball valves right now. 【What is oil-free processing?】 In general products, lubricating oil is used inside the ball valve for smooth operation. This is a process to remove that lubricating oil. 【Purpose of oil-free processing】 It is used in clean environments where contamination by impurities and oil, like lubricating oil, is a problem. 【Features of Hamai's oil-free products】 ● No residual grease due to cleaning treatment before component assembly. ● Stock available through lot production. ● Can accommodate those using in even cleaner environments (re-cleaning of finished products, work under clean room conditions, etc.) ● Available in brass and stainless steel products. ● Butterfly handles for space-saving options are also in the lineup. 【About Hamai's ball valves】 Hamai's industrial ball valves are among the industry's top high-performance ball valves, boasting a track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers in automotive, semiconductor manufacturing equipment, and general industry. They are adopted as genuine parts by various companies, responding to unique functional development and the needs for ball valves with overwhelming quality.

Hamai's lockout ball valves are designed for semiconductor manufacturing equipment and have a proven track record. They are ideal products for preventing incorrect opening and closing and for safety measures. 【Features】 - Lockout can be securely achieved regardless of the installation direction of the piping. - The lock mechanism is integrated with the valve, allowing for a more space-efficient installation compared to lock methods that are added to the valve afterward. - As they are produced domestically, prompt documentation support is available. - The product undergoes oil-free treatment before assembly, ensuring no oil residue remains inside. It can be used by customers concerned about contamination. - The handle has no coating, resulting in minimal scattering of handle components, making it suitable for relatively clean environments. - The full bore structure allows for high flow rates without pressure loss. 【About Hamai's Ball Valves】 Hamai's industrial ball valves are among the industry's top high-performance ball valves, boasting a substantial supply record (OEM) primarily in automotive, semiconductor manufacturing equipment, and general industrial applications, mainly to various major manufacturers. They are adopted as genuine parts by various companies, and we respond to the unique needs for ball valves with overwhelming quality and the development of unique functions.

Leveraging our strength as the number one domestic manufacturer of custom-made ball valves, we can accommodate the replacement of existing products. This is ideal for customers who are facing issues such as long lead times, slow responses, and high costs due to the use of overseas over-spec products. 【Regarding high-temperature and low-temperature ball valves】 The operating range of our stainless steel general-purpose valves is from -20°C to 180°C. We are conducting research within the range of ±20°C to 40°C. Utilizing the structure of general-purpose products and our technology, we can also accommodate temperatures outside of the above range. Please feel free to consult us. 【About Hamai's ball valves】 Hamai's industrial ball valves are among the industry's top high-performance ball valves, boasting a track record of mass supply (OEM) to various industrial equipment and machine tools, primarily for major manufacturers in automotive, semiconductor manufacturing equipment, and general industry. We respond to the unique needs for ball valves with overwhelming quality, including adoption as genuine parts by various companies and the development of unique functions.

The basic model "BBS-01/600" 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 oils such as grease - Lot production that realizes low costs - Maintains a constant manufacturer inventory for immediate delivery - Rapid 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 in the industry, boasting a 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>.

Butterfly handle/Wing handle type "BBS-77/220/611" is 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, then shipped in individual packaging. Produced in our domestic factory using Hamai's latest valve technology. ■【Features】 - Achieves complete oil-free 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 such as oil-free treatment certificates ■【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. ★【Custom Orders/Customization Available】 For more details, please contact [Tokyo Headquarters] TEL 03-3492-6655 <Receptionist / Second Sales>.

The full bore type "HBS-50" is oil-free. Parts are degreased and cleaned using a hydrocarbon-based cleaning machine, and after drying, they are assembled without using any oil on bare hands 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 - Always maintaining manufacturer stock to enable immediate delivery - Rapid 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 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 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 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>.

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>.

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.

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>.

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