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 HP-DA, hydraulic linear actuator, double acting, cylinder size from 4” to 24”, MAWP up to 1,500, 2,000, 3,000 psi
GVO HP-SR, hydraulic linear actuator, spring to extend, hydraulic cylinder size from 4” to 24”, MAWP up to 1,500, 2,000, 3,000 psi, spring preload up to 53,000 lbs (235,755 Nm)
GVO HP-FS, hydraulic linear actuator, spring to retract, cylinder size from 4” to 24”, MAWP up to 1,500, 2,000, 3,000 psi, spring preload up to 53,000 lbs (235,755 Nm)
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