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Description:
[China ]
Products Standards: GB, ISO,API, DIN ANSI,JIS Materials of main parts: Body: Ductile iron, grey cast iron Seat: NBR, EPDM Disc: Ductile iron, stainless steel, Aluminum Bronze Stem: stainless steel Seal ring: NBR, EPDM, Viton Bushing: Lubricated Nylon, Brass
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