The trim adopts the multi-stage pressure reduction structure. The fluids will consume large amounts of energy after passing the circuitous channel, so that fluid velocity is controlled and cavitation damage is avoided. Considering the existing desuperheater control valves in power plants are installed on a horizontal pipeline, the valves have two kinds of bodies such as "same level body" and "different level body". The same level body indicates the inlet and outlet pipes are on the same horizontal line, and the different level body means the inlet and outlet pipes are not on the same horizontal line,
Parameters of control valves:
Trim features:Body type:Bonnet type:Flow characteristic:Size:Pressure class:Leakage class:Pipe connection type:Applicable temperature range:Actuator type:
| labyrinth cage trim multi-stage throttle valve plug structure |
| straight-through type angle type |
| standard type heat dissipation type |
| equal percentage linear quick open |
| DN25-50(1"-2") |
| PN25,32Mpa(ANSI 1500,2500LB) |
| ASME B16.104 Ⅴ(standard type metal seat) |
| flange type butt welding type |
| less than 420C° |
| pneumatic diaphragm actuator pneumatic piston actuator electric actuator |
