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.
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
- External tie bars allow contained energy release in event of over-pressure
- 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
- GVO LP-DA pneumatic linear actuator, double acting, cylinder size from 5 ” to 48 ” tandem, MAWP up to 150 psi
- GVO LP-SR, pneumatic linear actuator, spring to extend, cylinder size from 10” to 48”, tandem AWP up to 150 psi (10.34 Bar), spring preload up to 53,000 lbs (235,755 Nm)
- GVO LP-FS, pneumatic linear actuator, spring to retract, cylinder size from 10” to 48” tandem, MAWP up to 150 psi (10.34 bar), spring preload up to 53,000 lbs (235,755 Nm)