Bettis GVO-Series Hydraulic Linear Valve Actuator

Brand: Bettis - by Emerson Electric Co.

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 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).

Specifications

Actuation

  • Linear, Double-Acting

Approvals & Certifications

  • SIL 3 Suitable, ATEX. PED 97/23/EC - Pressure Equipment Directive, IP66/IP67M

Control Type

  • ON/OFF, ESD

Operating Temperature

  • Standard -23° to +74° C (-10° to +165°). Consult Factory for Low-high Temperatures.

Power Source

  • Hydraulic

Product Type

  • Hydraulic Actuator

Valve Type

  • Slab, Wedge, Knife, Expanding Gate, Globe, Rising Stem Ball Valves, & Dampers

Documentation

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