2"~12" DN50~DN300 ASTM B62 Class C83600 SS304 Wafer Butterfly Valve
2"~12", DN50~DN300 ASTM B62 Class C83600 SS304 Wafer Butterfly Valve
Body Test:1.5 times the working pressure with water. This test is performed after valve assembly and with disc in half position open, it is called as a body hydro test.
Seat Test:1.1 times the working pressure with water.
Function/Operation Test:At the time of final inspection,each valve and its actuator (Flow-Control Lever/ Gear/Pneumatic Actuator),under goes a complete operating test (Open/Close).This test carried out without pressure and at ambient temperature.It ensures the correct operation of the valve/actuator assembly with accessories such as solenoid valve,limit switches,air filter regulator etc.
Special Test:On request,any other test can be carried out according to special instruction by client.
| Part Name | Material | ASTM Spec. |
| Body | Cast Iron | ASTM A126 Class B |
| Shaft | Stainless Steel | AISI 416 |
| Disc-1 | Stainless Steel | ASTM A351 Class CF8M |
| Disc-2 | Cast Bronze | ASTM B62 Class C83600 |
| Disc-3 | Ductile Iron | ASTM A536 Class 65-45-12 |
| Bushing | PTFE | Commercial |
| Liner | EPDM or NBR | Commercial |
| O-Ring | EPDM or NBR | Commercial |
| Plug | Steel | ASTM A307 Class B |
| Washer | PTFE | Commercial |
| Name | Material |
| Body | GJS500-7/ GJS400-15 |
| Disc | GJS500-7/ GJS400-15 |
| Shaft | SS420/SS431/Duplex 1.4462 |
| Body seal ring | SS304 |
| Disc seal ring | EPDM |
| Shaft bearing | Al-bronze |
| Retainer ring | Carbon steel +epoxy/ SS304 |
| O ring | EPDM |
| Pin | SS420 |
| Packing gland | Carbon steel +epoxy |
| End cover | Carbon steel +epoxy |
| Key | SS420 |
| Connection flange | Carbon steel +epoxy |
With the support of customers, the company continues to develop new products and research new technologies, and strive to create high quality and low price Dn50-2-Inch-ANSI-Class-150-EPDM Rubber Seat Lug Cast-Steel-12volt Modulating Electric Actuator Butterfly Valve for customers. Our company always adheres to the people-oriented development concept, focusing on the combination of high-level talent introduction and talent training. Following strict standards and choosing fine materials is the unanimous consensus that enables the company to grow and develop.
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