ハマイ List of Products and Services

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 the contamination of impurities and oil, like lubricating oil, is a problem. It is suitable for use in pure water systems and similar applications. 【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 included 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, and we respond to the needs for unique functions and requirements for ball valves with overwhelming quality.

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 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>.

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>.

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.

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>.

Three-way ball valve made of stainless steel with oil-free specifications. It allows for switching and closing of fluid flow from the bottom to the left or right. 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】 - 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 - Uses SUS316, which has excellent corrosion and heat resistance - Can be closed by operating the lever handle ■【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, 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 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>.

Stainless steel vertical three-way ball valve with oil-free specifications. It allows for switching and closing of fluid flow from the bottom to the left or right. 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 with Hamai's latest valve technology. ■【Features】 - Achieves complete oil-free specifications 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 - Vertical three-way valve with L-port that can be closed ■【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 <Second Sales>.

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