Double or Triple Eccentric High Performance Butterfly Valve Conform to API 509.
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~DN1800, 2"~72"
5. Pictures
Final Inspection
Shipment
Audited Supplier 
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