Gear Operated Stainless Steel CF8/CF8M/CF3/CF3M Double Flange Butterfly Valve Conform to BS1868, API 6D, ASME B16.34, They are tested according to API 598, and marked as per MSS SP-25.
1. Construction is as follows:
| - Double or Triple Eccentric | ||||
| - Single Type Body | ||||
| - Renewable Sealing Ring | ||||
| - Fire Safe Design | ||||
| - Anti-static Design | ||||
| - Uni-direction or Bi-direction | ||||
| - Butt Weld Ends to ASME B16.25 | ||||
| - Flanged Ends to ASME B16.5 | ||||
| - Wafer or Lug Suit to Flanged(ASME B16.5 or B16.47) |
2. Main Part & Materials
| Part Names | Part Materials | ||||||
| Body | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M |
| Disc | WCB | LCB | WC6 | CF8 | CF8M | CF3 | CF3M |
| Stem | F6a | F304 | F6a | F304 | F316 | F304L | F316L |
| Seat/Seat Ring | PTFE/RPTFE/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~PN64, CLASS150~600
4. Normal Size Range
DN50~DN750, 2"~30"
OUR ADVANTAGE
FOUNDRY - CASTING * FORGING
