DN20-200 Customized Universal Type Wafer Butterfly Valve
1.Center line disc
2.Anti-Blow Out Stem
3.Low Friction Body Seat
5.Small in size
6.Light in weight
7.Long service life
8.Can be used in cutting off and regulation medium
9.Simple, compact structure, quick 90 degree on-off operation
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
1.Water Treatment Plant
3.Drilling Rigs 4. Heating & Air Conditioning
10.Waste Effluent Treatment Plant
11.Cooling Water Circulation