ハマイ List of Products and Services

The transitional measures for the positive list will end at the end of May 2025, so those who are not prepared need to take urgent action. This positive list system applies to synthetic resins. Ball valves are no exception, and if you are using resin valves or resin materials in ball seats, action is required. Our oil-free ball valves use materials that comply with the positive list system. We produce a substantial quantity and have them in stock, so they are readily available. Additionally, since they are produced domestically, we have solid traceability and can accommodate a wide range of document issuance requests. Various documents can be issued according to your needs. ● Main documents that can be issued: - Oil-free treatment certificate - Product inspection report - Material certificate (mill sheet) *Can be provided for each part upon request. - Non-applicability certificate (item-by-item comparison table) - RoHS directive substance non-containment certificate We will also respond to document issuance requests based on other requirements.

This document introduces examples of improvements in custom-made products related to handles. Ball valves are widely used in factories and equipment, but are you forcing the use of incompatible existing products? Don't give up just because you've been using them without issues; for the sake of efficiency and productivity improvement, we recommend custom ball valves that are optimal for your company's environment. At Hamai, we manufacture custom ball valves. In addition to the handles in this document, we can also accommodate custom requests for the main body, resin materials, and even fully bespoke designs. For those who think custom products are expensive or require a high minimum order quantity, we offer flexibility unique to domestic production, allowing for small lot sizes. [Examples of Document Content] ■ Space Constraints ■ Clean Environments ■ Flow Management ■ Safety Measures

Since it is domestically produced, we have a solid traceability system in place and can accommodate a wide range of document issuance requests. Various documents can be issued according to your needs. ● Main documents that can be issued: - Product inspection report - Material certificate (mill sheet) * Can be provided for each component upon request. - Non-applicability certificate (item comparison table) - RoHS directive substance non-containment certificate - Oil-free treatment certificate - Other content investigations We will also respond to document issuance requests based on other requirements.

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

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>.

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>.

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>.

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.

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.

This is an introductory white paper organized in an easy-to-understand manner for those handling ball valves for the first time, outlining the basic points for selection. It carefully summarizes the differences in structure, considerations for materials and pressure resistance, and common issues that can arise from selection mistakes, addressing points that can be confusing on-site. It provides content that can alleviate concerns such as "I don't know which one to choose" and "It's difficult to make a judgment based only on the specifications." This book is also useful for training newcomers in design and procurement, as well as for confirming basic knowledge.