actuator system type G

Gas over oil actuator system

  • Offshore/Onshore, Stations, pipeline blocking devices and safety shut-off valves
  • All versions for Ex Zone I
  • Ambient temperature  –60°C to +80°C
  • Operating pressure 10 to 150 bar
  • Compact design means a minimum of piping and fittings
  • Small gas-over-oil tanks
  • Automatic reset to normal operation after manual emergency operation after manual emergency operation (no operation error possible)
  • Manual control on site
  • Remote control
  • Manual emergency operation with hand pump
  • Low maintenance due to self-cleaning / self-bleeding oil circuit
  • Electrical control voltage according to customer requirements
  • The modular system allows one or more different signal processing and additional attachments
  • Locking device in OPEN or CLOSE position (optional)
  • DGRL 97/23 EG
  • API-6D / ISO 14313
  • EN 14141
  • Standard with manual override
  • Operated by own medium
  • With automatic response in event of pipe fracture (optional)
  • With power failure response system (ESD/Option)
  • Gas Tanks acc. PED or ASME
  • Extensive function test of the drive with valve
  • Control of seawater resistance materials
  • Piping and screw connection made of stainless steel