Industries served

Challenging applications throughout oil and gas, power, mining, chemical, food and beverage and building and construction industries.

Learn more

Product quality and testing reports

Product Report No 21125567 (pdf)

Product Report No 210774388 (pdf)

Double Flanged Butterfly Valves

Hebei Central Plumbing Industries is one of the world’s leading manufacturers and marketers of valves, actuators and controls, providing market-leading products, services and solutions, for the most challenging applications throughout oil and gas, power, mining, chemical, food and beverage and building and construction industries

For more information about our product - download the presentation

Item Part Name Material
1 Stem Zinc Plated Steel;
Stainless Steel: ATSM A276 Type 316, Type 410, Type 420; ATSM A582 Type 416;
2 Body Cast Iron: ASTM A126CL, DIN1691 GG25, EN 1561 EN-GJL-200; GB12226 HT200;
DuctileCast Iron:
ASTM A536 65-45-12, DIN 1693 GGG40, EN1653 EN-GJS-400-15, GB12227 QT450-10;
3 Disc Ductile Cast Iron (Nickel plated);
ATSM A536 65-45-12, DIN 1693 GGG40, EN 1563 EN-GJS-400-15, GB12227 QT450-10;
Stainless Steel: ATSM A351 CF8, CF8M; CF3; CF3M; EN 1.4408,1.4469; 1.4501;
AL-Bronze: ATSM B148 C95400;
4 Seat NBR, EPDM, Neoprene, PTFE, Viton;
5 End Cap Cast Iron: ASTM A126CL. B DIN1691 GG25, EN 1561 EN-GJL-200;
6 Bolt Zinc Plated Steel;
7 Taper Pin Stainless Steel: ASTM A276 Type 304, Type 316; EN 1.4501;
8 O-Ring NBR, EPDM, Neoprene, Viton;
9 Bushing PTFE, Lubricated Bronze;
10 Key Carbon Steel


ANSI Double Flanged Type Butterfly Valves

Sets it apart from conventional double flange single or double eccentric position seated butterfly valves. 

Scheme and Dementions List

All documentation