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Bettis GVO-Series Hydraulic Linear Valve Actuator
Bettis GVO-Series Hydraulic Linear Valve Actuator
Field proven linear valve actuator suitable for automating most types of rising stem valves in safety shutdown and control applications.
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.

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)

Education

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