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Belleville International
Manufacturer · Butler, PA
About Belleville International
Independent family-owned manufacturer of Belleville disc springs, disc spring washers, and precision machined valve components based in Butler, PA. Products engineered to DIN 2092/2093/6796 and EN 16983 standards, from 0.500" to over 42" O.D. Materials include carbon steel, 300/400 series stainless, 17-4 PH, 17-7 PH stainless, Inconel 718, Inconel X750, Waspaloy, Hastelloy, titanium, and H13. Applications: valves (live loading), oil and gas drilling, downhole tools, steel mills, heavy equipment, automotive/racing, aerospace, and clutch systems. Also manufactures mud-lubricated thrust bearings and custom machined components.
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