CHP type multistage control valve applied with multi-cage sleeve type spool or axial  labyrinth spool, multistage pressure reducing.

 It controls the medium flowrate, reduces noisy  caused by high pressure air or steam, qualified in high pressure medium occasion.

 It can be  applied with multi-spring pneumatic diaphragm actuator or electric actuator.

◆Specification  

Body type: straight through casting globe  type  Spool type: multistage choke spool  Nominal size: DN20~200 NPS 3/4〞~ 8〞Nominal pressure:

 PN160 ~ 420 CLASS  900LB ~2500LB  Connection: flange: FF、 RF、 MF 、 RTJ  Welding: SW、BW  Bonnet type: standard type（-5℃~230℃）、

Radiator type: （-45℃~higher  than 230℃ occasion）、 Low temperature extended type（-196℃~ -45℃） Packing: V type PFTE packing, flex. 

graphite packing, etc.  Gasket: Metal graphite packing  Actuator: pneumatic: multi-spring diaphragm actuator, piston type actuator.   electric: 3810L 

series smart actuator, PSL series actuator.  Surface painting: Green color, acrylic acid polyurthane ceramic paint.