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Bettis GVO Linear Pneumatic Valve Actuator
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Bettis GVO-Series Pneumatic Linear Valve Actuator
The Bettis GVO-Series is a field proven linear valve actuator suitable for automating most types of rising stem valves in safety shutdown and control applications.
Bettis GVO Linear Pneumatic Valve Actuator

Specs

Power Source
Pneumatic
Product Type
Pneumatic Actuator
Actuation
Linear, Double-Acting
Certifications
ATEX, PED, SIL capable (CE)
Control Type
On/off
Valve Type
Slab, Wedge, Knife, Expanding Gate, Globe, Rising Stem Ball Valves, and Dampers
Operating Temperature
From -60 °C to 100 °C (From -76 °F to 212 °F)
Operating Pressure
12 barg (174 psi)
Thrust
Double-acting thrust up to 1600000 N (360000 lb), Spring ending thrust up to 450000 N (101000 lb), Spring starting thrust 540000 N (121000 lb)

Features

  • Automates most types of rising stem valves- slab, wedge, knife and expanding gate, globe, rising stem ball and dampers
  • Extended stroke for each model
  • Optional materials of construction for sour service
  • Options include limit switches, relays, solenoids, pressure pilots, dampeners and manual overrides
  • Travel adjustment on top and bottom makes sure the piston stops on the actuator not on the valve, protecting valve seat
  • Standard open pedestal design, closed pedestal is available on request
  • Hard chromium plated and polished stainless steel piston rod guarantees corrosion protection and minimal friction