WAFER TYPE CAST IRON BUTTERFLY VALVE MANUFACTURERS

Name:

Wafer Type Cast Iron Butterfly Valve Manufacturers

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