Teflon Seat Nylon Disc Wafer Type 8 inch Butterfly Valve gear type, butterfly valve stem SS410


Name:Teflon Seat Nylon Disc Wafer Type 8 inch Butterfly Valve gear type, butterfly valve stem SS410
Design confirms:API 609, BS EN 593, MSS SP-67, BS5155
Top Flange:ISO5211 or factory standard
Tightness check:API 598, ISO 5208, EN12266-1, DIN3230, BS5155
Face-to-face conform:API 609, ISO 5752, BS EN 558, BS 5155, MS SP-67, DIN3202
Normal pressure:PN10/PN16/PN25 or 10Bar/16Bar/25Bar or class 125/150
Nominal diameter:DN25~DN1200 (1
Operator:Handle lever, worm gearbox(reducer), electric or pneumatic actuators etc.
Suitable medium:Petroleum, chemical industry, water, oil, gas etc.
Working temperature:-45 to 200 Celsius
Body/Disc:Cast Iron(CI): ASTM A126CL. B, DIN1691 GG25, EN 1561 EN-GJL-200, GB12226 HT200; Ductile Iron(DI): ASTM A536 65-45-12, DIN 1693 GGG40, EN1563 EN-GJS-400-15, GB12227 QT450-10
Stem:Zinc Plated Carbon Steel; Stainless Steel: ASTM A276 Type 316/304/410/420, ASTM A582 Type 416
Seat:NBR, EPDM, Neoprene, Viton, PTFE, BUNA, Hypalon.
Bushing:PTFE, Nylon, Lubricated Bronze

  • Teflon Seat Nylon Disc Wafer Type 8 inch Butterfly Valve gear type, butterfly valve stem SS410