MH7035L Series Hydraulic Actuator | Schlumberger

MH7035L Series

Hydraulic actuators

Superior performance for tight spaces

The compact Saf-T-Gard MH7035L actuator is designed for 2-, 3-, and 4-in nominal gate valves that require 35,000 lbf or less to open. Its 3-in piston design keeps swept volumes low for quicker displacement and faster closing times. Rapid closure is enabled by an exhaust port designed with a standard 1/2-in NPT thread.

This actuator series features a fail-safe design backed by proven Cameron seal technology. If hydraulic pressure is lost, the actuator closes the valve with available spring force without using wellbore pressure. The actuators are made of corrosion-resistant materials and are available in both rising and nonrising stem versions.


  • Fail-safe design
  • Superior piston design
  • Nonpressurized actuator housing
  • Corrosion-resistant materials
  • Cameron seal technology
  • Fixed drift adjustment
  • Rising stem and nonrising stem visual indication
  • Rapid closure
Saf-T-Gard Hydraulic Actuator: MH7035L Series
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