Cast Steel Wcb/CF8/CF8m Segment Ball Valve Conform to 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:
- "V" or "O" Port |
- One Piece Body |
- Side Entry |
- One piece body or Bolted Bonnet with spiral-would gasket |
- Fire Safe Design |
- Anti-static Design & Blow-out proof stem |
- Butt Weld Ends to ASME B16.25 |
- Flanged Ends to ASME B16.5 |
- With Top Mounting Flange for Actuator |
2. Main Part & Materials
Part Names |
Part Materials |
Body |
WCB |
LCB |
WC6 |
CF8 |
CF8M |
CF3 |
CF3M |
Bonnet |
WCB |
LCB |
WC6 |
CF8 |
CF8M |
CF3 |
CF3M |
Ball |
A105 |
SS304 |
F22 |
SS304 |
SS316 |
SS304L |
SS316L |
Stem |
A105 |
F304 |
F6a |
F304 |
F316 |
F304L |
F316L |
Seat/Seat Ring |
PTFE/PPTFE/NYLON/DEVLON/PEEK OR METAL |
Packing |
Graphite/PTFE |
Gasket |
SS304+Graphite/SS304+Graphite |
Bolts/Nuts |
B7/2H |
L7/4 |
B16/4 |
B8/8 |
B8M/8M |
B8/8 |
B8M/8M |
Suitable Medium |
W.O.G etc. |
HNO3, CH3OOH etc. |
Suitable Temperature |
-29~425 °C |
-46~340 °C |
-46~340 °C |
-196~427 °C |
-196~427 °C |
-196~427 °C |
-196~427 °C |
3. Normal Pressure Rating
PN10~PN50, CLASS150 & CLASS300
4. Normal Size Range
DN25~DN400, 1"~16"