Cast Iron Double Flanged Butterfly Valve, Power : Manual

Double Flanged Butterfly Valve
Our range:butterfly valve,gate valve,check valve,globe valve,ball valve,y strainer,rubber joint
specifications
1. Working temperature: -45 to 200 celsius.
2. Top flange: iso5211 or factory standard.
3. Nominal diameter: dn25~dn1200 (1"~48").
4. Design standard: api 609, bs en 593, mss sp-67, bs5155.
5. Suitable media: petroleum, chemical industry, water, oil, gas etc.
6. Pressure test: api 598, iso 5208, en12266-1, din3230, bs5155.
7. Working pressure: pn10pn16pn25 or 10bar16bar25bar or class 125150.
8. Operator: handle lever, worm gearbox(reducer), electric or pneumatic actuators etc.
9. Face-to-face conform to api 609, iso 5752, bs en 558, bs 5155, ms sp-67, din3202.
10. Flange: ansi b 16.1 125150, as2129, bs4504, bs en 1092, bs 10 table de, din 2501 pn 101625, jis 5k10k.
Main parts materials
a) key: carbon steel.
B) o-ring: nbr, epdm, neoprene, viton.
C) bushing: ptfe, nylon, lubricated bronze.
D) seat: nbr, epdm, neoprene, viton, ptfe, buna, hypalon.
E) taper pin: carbon steel; stainless steel: astm a276 type 410420304316, en 1.4501.
F) stem: zinc plated carbon steel; stainless steel: astm a276 type 316304410420, astm a582 type 416.
G) bodydisc: 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;
stainless steel: astm a351 cf8, cf8m; cf3, cf3m;
carbon steel: astm a216 wcb.