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  3. 中村バルブ製作所 本社工場
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中村バルブ製作所 本社工場

EstablishmentJanuary 1947
number of employees63
addressNiigata/Uonuma-shi/Horinouchi 3946
phone025-794-2132
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last updated:Dec 16, 2024
中村バルブ製作所logo
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中村バルブ製作所 Company Profile

Valve manufacturing, domestic materials, domestic production.

Manufacturing, repairing, and creating valves Nakamura Valve Manufacturing Co., Ltd. has been consistently engaged in valve manufacturing since its establishment in 1947 (Showa 22), walking alongside the development of Japan's petrochemical industry for over 70 years. We sincerely appreciate the warm support from all of you. Through the technology accumulated over many years of valve manufacturing, we contribute to the maintenance and development of the industrial infrastructure as a behind-the-scenes supporter. About 80% of our sales come from our own products, while the rest consists of assistance to other companies in the same industry and valve maintenance. While many manufacturers are switching to overseas materials, we have continued to insist on domestic materials for our products since our founding, particularly selecting high-quality, stable cast steel materials for pressure-resistant parts. Even if materials that are difficult to obtain domestically are specified, we can procure the desired overseas materials in consultation with our customers. We manufacture and sell on a made-to-order basis, but we also have a small stock of materials for products that receive frequent inquiries. Please contact us if you are in a hurry. If you have any concerns regarding valves, please feel free to consult with us.

Business Activities

We design, manufacture, and sell industrial valves, including high-pressure gas certified valves, under our own brand mark (NS within a diamond shape). (Our main materials are cast steel products, primarily consisting of gate valves, ball valves, check valves, and other general valves.) - Pressure seals - Full jackets - Butterfly stops - Tilting check valves - Plug cocks (available in cast steel and cast iron, including grease seal types) - Design and manufacture of high-pressure forged valves with a pressure rating of 30Mp (approximately 1/4B to 5B) - Manufacture and maintenance of large cast steel valves up to 60 inches (diameter 1500 mm) and 10 tons (we also have a track record of maintaining even larger products on our premises) We can restore valves that have deteriorated over time, such as those from defunct manufacturers, back to functional status through processes like seat regeneration. We also provide inspection and maintenance services for valves from overseas manufacturers. (As a general rule, maintenance is conducted for products that can be brought to our factory, but we also accommodate inspections of installed products. Please feel free to contact us.) We also assist with contract manufacturing of various types of valves (OEM/ODM), parts processing, and assembly inspections.

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Products/Services (3)

Quality Stability High-Pressure Gas Equipment Manufacturing Facility product image
Quality Stability High-Pressure Gas Equipment Manufacturing Facility
Maintenance, regeneration, treatment, modification. product image
Maintenance, regeneration, treatment, modification.
Hydrogen ammonia co-firing domestic valve product image
Hydrogen ammonia co-firing domestic valve

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Detailed information

Company name 中村バルブ製作所 本社工場
number of employees63
Contact addresspostalcode 949-7413 Niigata/ Uonuma-shi/ Horinouchi 3946View on map TEL:025-794-2132 FAX:025-794-3095
Key PartnersCrude oil lines, oil refining, chemical manufacturers, steelmaking, waste disposal, industrial waste treatment, biomass, various types of power generation such as thermal and hydro, corrosive and toxic gas lines, oil storage facilities, factory buildings... wherever there is a flow, valves are necessary. There is also an increasing demand for hydrogen and ammonia co-firing, and they are being used in various plants and facilities.
Product transactions are basically conducted through trading companies and valve maintenance companies. We also engage in direct transactions with manufacturers such as valve manufacturing companies. Since there are some specific distribution channels, new customers are welcome to contact us freely.
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