Super Duplex Stainless Steel Triple offset Butterfly valve from class 150LBS to class1500LBS
Triple offset Design of the Butterfly valves
Design Specifications
Valve Design & Pressure Temperature Rating: API609&ASME B16.34
Fire Tested: API 6FA/API 607
Actuator Mounting: lSO 521 1
Face to Face: API 609,ASME B16.10,IS0 5752
Seat Testing: APl 598,1S0 5258
Flange Drilling: ASME B16.5, ASME B16.47
Valve Marking: MSS-SP-25,ASME B16.34
Fugitive Emissions: lS0 15848 Standard
Features:
- High Temperature Resistance
- High Corrosion Resistance
- Fire Safe Design
- Metal to Metal seal
Optional: Laminated Seal
- Metal /Graphite/ Metal
- SS316/PTFE/SS316
- Field-Replaceable Seat & Seal
- Low torque
Triple offset Butterfly Valves are suitable for gearbox+ handwheel
Triple eccentric Valves are suitable for Pneumatic actuators
Three eccentric Valves are suitable for electric motor Actuators
Valves Connection: Wafer, Lug, Flanged type
Main Technology Parameter
|
Nominal Pressure |
Test Pressure (MPa) at room Temperature |
Applicable Temperature |
Medium |
||
|
Shell Test |
High Pressure Seal |
Low pressure Seal |
|||
|
Class 150 |
2.93 |
2.07 |
0.6 |
-29~425℃ |
Water.Steam,Oil,Seawater |
|
Class 300 |
7.58 |
5.52 |
0.6 |
||
|
Class 600 |
15 |
11.03 |
0.6 |
||
|
Class 900 |
24 |
17.6 |
0.6 |
||
Material for Main Parts
|
Parts Name |
Material |
|
Body |
WCB、WC6,、CF8, CF8M,CF3M, DUPLEX SS 4A 5A 6A UNS31803 UNS32750 |
|
Disc |
WCB、WC6,、13CR, CF8, CF8M,CF3M, DUPLEX SS 4A 5A 6A UNS31803 UNS32750 |
|
Stem |
17-PH, 2CR13, SS316, SS304, F51, F53, F55 |
|
Body Seal |
Metal 13cr, SS304, SS316, STL, F51, F53, F55 |
|
Disc Seal |
Metal to Metal, Laminated Metal /Graphite, Metal/PTFE |
|
Packing |
Flexible Graphite, PTFE |
Torque Value (N.M) for triple offset Butterfly valve

