CF8/CF8M Single Disc Wafer Swing Check Valve
Conform to API 594, API 6D, and ASME B16.34 They are tested according to API 598, and marked as per MSS SP-25
1. Construction is as follows:
| - Single Disc |
| - With Spring |
| - Swing Disc or Lift Disc |
| - Soft or Metal Seated |
| - Retainer or Retainer Less Design |
| - Wafer Ends to Suit for Flanged Ends(ASME B16.5 and B16.47 A/B) |
2. Main Part & Materials
| Part Names |
Part Materials |
| Body |
WCB/A105 |
LCB/LF2 |
WC6/F22 |
CF8/F304 |
CF8M/F316 |
CF3/F304L |
CF3M/F316L |
C83600/C95800 |
| Bonnet |
WCB/A105 |
LCB/LF2 |
WC6/F22 |
CF8/F304 |
CF8M/F316 |
CF3/F304L |
CF3M/F316L |
C83600/C95800 |
| Disc/Ball/Wedge |
WCB/A105 |
LCB/LF2 |
WC6/F22 |
CF8/F304 |
CF8M/F316 |
CF3/F304L |
CF3M/F316L |
C83600/C95800 |
| Seat/Seat Ring |
13%Cr |
SS304 |
13%Cr |
SS304 |
SS316 |
SS304L |
SS316L |
C83600/C95800 |
| PTFE/NBR/EPDM/VITON |
| Packing |
Graphite/PTFE |
| Gasket |
SS304+Graphite/SS304+Graphite |
| Bolts/Nuts |
B7/2H |
L7/4 |
B16/4 |
B8/8 |
B8M/8M |
B8/8 |
B8M/8M |
B8M/8M |
| Suitable Medium |
W.O.G etc. |
HNO3, CH3OOH etc. |
Sea Water etc. |
| Suitable Temperature |
-29~425 °C |
-46~340 °C |
-46~340 °C |
-196~427 °C |
-196~427 °C |
-196~427 °C |
-196~427 °C |
-29~220 °C |
3. Normal Pressure Rating
PN10~PN420, CLASS150~2500
4. Normal Size Range
DN40~DN1000, 11/2"~40"