| | |  | | Wafer
Check Valves |
| Dual
disc type |
| |
Description: | | Design
and manufacture:
MSS SP-67, API
609 |
| Test
and inspection: API
598 . |
| Flanged
end:
ANSI, BS, DIN
etc. |
| Resilient
seat |
| Size:2" ~
24" (DN50 ~
600) |
| Working
pressure:
1.0MPa/1.6MPa |
|
|
| Standard
materials of parts |
Body | Grey iron,
Ductile iron, Cast
steel, Strainless
steel
| Disc | Ductile iron,
Aluminum bronze,
Stainless steel
| Stem | Stainless steel | Seat | EPDM, Neoprene
and NBR etc.
| spring | Stainless steel |
|
|
|
|
