Pneumatic-Hydraulic valves use natural gas or N2 as power resource. Hydraulic oil, as a transmission medium power, is used to realize the valve on-off control. Basic control functions include local aerodynamic control, manual hydraulic pump operation, remote electronic on-off control, emergency shut down, line break detection & protection.

Ball valve:

• • Soft seat: 1/2~56″
  • Metal seat: 1~44″

Gate valve:

• • API 602: 1/2~2″
  • API 600: 2~66″

Globe valve:

• • API 602: 1/2~2″
  • BS 1873: 2~24″

Butterfly valve:

• • Concentric: 2~72″
  • Double offset: 2~120″
  • Triple offset: 2~80″