MH75 Series Hydraulic Actuator | Schlumberger Products

MH75 Series

Hydraulic actuators

The Saf-T-Gard MH75 actuator is used in the master run or wing run of the tree on a reverse-acting gate valve. This hydraulic actuator features from our field-proven products, combined with our industry-leading, innovative technology. Particular attention has been given to safety and ease of maintenance.

It can be used with all manufacturers' gate valves in nominal sizes from 2 to 6 in. Its simple design and operating principle make it suitable for all types of applications.

Advantages

  • Superior piston design
  • Visual piston indicator
  • Compression spring
  • Nonpressurized actuator housing
  • Fail-safe close design
  • Corrosion-resistant materials
  • Ease of maintenance
  • Permanent drift setting
  • Drain plugs flush housing
Saf-T-Gard Hydraulic Actuator - MH75 Series

Specifications

  • Model: MH75
  • Series: 7000
  • Specific application sizing: 1 13/16 through 6 3/8 in
  • API Classification: Spec 6A, 17th Edition, SSV
  • Trim for retained-fluid components: Same as valve and bonnet specifications
  • PR-1 and PR-2: Appendix F 2.5
  • Maximum operating pressure: 6,000 psi [414 bar]
  • Relief device setting: 6,000 psi [414 bar]
  • Test pressure: 9,000 psi [621 bar]
  • Trim for standard components: AA
  • PSL: Retained fluid: 1, 2, 3
  • Operating temperature: –20 to 250 degF [–29 to 138 degC]

 

Model Piston Size Valve Size, in
Valve Pressure, psi Crack-Open Pressure, psi Hold-Open Pressure, psi Swept Volume, in3 Weight, lbm [kg]
MH7502 Single-piston hydraulic with 5-in piston 2 1/16 5,000 618 483 52.72 420 [190]
10,000 1,086 775 52.72 440 [200]
MH7503 Single-piston hydraulic with 5-in piston 3 1/8 5000 9,37 636 77.40 425 [193]
3 1/16 10,000 1,724 1,055 77.40 445 [202]
MH7504 Single-piston hydraulic with 5-in piston 4 1/8 5000 1,399 892 99.42 460 [209]
4 1/16 10,000 2,718 1,549 99.42 485 [220]
MH7505 Single-piston hydraulic with 5-in piston 5 1/8 5000 2,065 1,306 117.00 485 [220]
10,000 4,244 2,363 124.00 485 [220]
MH7506 Single-piston hydraulic with 5-in piston 6 3/8 5000 3,094 1,830 144.00 485 [220]
10,000 7,248 4,231 153.00 485 [220]

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