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-Series Hydraulic Linear Valve Actuator
Bettis GVO-Series Hydraulic Linear Valve Actuator
Specs
Power Source
Hydraulic
Product Type
Hydraulic Actuator
Actuation
Linear, Double-acting
Certifications
SIL 3 suitable, ATEX. PED 97/23/EC - Pressure Equipment Directive, IP66/IP67M
Control Type
On/off, ESD
Valve Type
Slab, wedge, knife, expanding gate, globe, rising stem ball valves, and dampers
Operating Temperature
Standard -23 °C to +74 °C (-10 °F to +165 °). Consult factory for low-high temperatures.
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
- 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)