Material of Main Parts:

Body: Cast Iron (ASTM A126CL. B , DIN1691 GG25, EN 1561 EN-GJL-200; GB12226 HT200); Ductile Cast Iron (ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15, GB12227 QT450-10); Stainless Steel (ASTM A351 CF8, CF8M; CF3, CF3M; Carbon Steel: ASTM A216 WCB);
Stem: Zinc Plated Steel; Stainless Steel (ASTM A276 Type 316, Type 410, Type 420; ASTM A582 Type 416)
Taper Pin: Stainless Steel (ASTM A276 Type 304, Type 316; EN 1.4501);
Seat: NBR, EPDM, Neoprene, PTFE, Viton;
Disc: Nickel plated Ductile Cast Iron (ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15, GB12227 QT450-10);
Stainless Steel (ASTM A351 CF8, CF8M; CF3, CF3M; EN 1.4408, 1.4469; 1.4501); AL-Bronze: ASTM B148 C95400;
O-Ring: NBR, EPDM, Neoprene, Viton;
Bushing: PTFE, Nylon, Lubricated Bronze;
Key: Carbon Steel

Nominal Diameter:DN40~1000mm
Nominal pressure:PN1.0~1.6MPa
Suitable medium:Water,gas and oil etc.
Suitable temperature:-15℃~150℃