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.
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Bettis GVO Linear Pneumatic Valve Actuator
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)
Resources
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