Cast Steel Metal Seat Handle Wafer Butterfly Valve 1) ductile iron GGG500/7 2) fusion bonded epoxy coating 3)standard: AWWA Cast Steel Metal Seat Handle Wafer Butterfly Valve
II)Product Characteristics:
1)Small in size and light in weight and easy maintains. It can be mounted whenever needed.
2)Simple, compact structure, quick 90 degree on-off operation.
3)Disc has two-way bearing, perfect seal, without leakage under the pressure test.
4)Flow curve tending to straight-line. Excellent and steady performance.
5)Various kinds of materials suits for different medium.
main technical parameter:
DN(mm) | 50~600 | |||
PN(MPa) | 0.6 | 1.0 | 1.6 | 2.5 |
Test pressure(MPa) | 0.66 | 1.1 | 1.76 | 2.75 |
Strength test(MPa) | 0.9 | 1.5 | 2.4 | 3.75 |
Suitable temperature | Carbon steel:-29~425, stainless steel:-40~650 | |||
Suitable medium | Water, gas, natural gas, oil | |||
Rate of leckage | GB/T13927-92 | |||
Type of drive | Worm gear,electric,pneumatic,hydraulic | |||
Cast Steel Metal Seat Handle Wafer Butterfly Valve
