MA Series Pneumatic Diaphragm Actuator | Schlumberger Products

MA Series

Pneumatic diaphragm actuators

Reliable, cost-effective MA Series pneumatic diaphragm actuators can be used with most manufacturers' gate valves. They are recommended when instrument air is available.

  • Fail-safe design
  • Rising stem design
  • Cameron seal technology
  • Actuator interchangeability
  • Fixed drift adjustment
  • Corrosion-resistant materials
  • Optional devices and accessories
Cutaway of Saf-T-Gard Pneumatic Diaphragm Actuator MA Series

Actuator specifications

  • API Spec 6A actuators for use with 1 13/16- through 4 1/8-in nominal gate valves
  • API Spec 6A Appendix F, PR-2 qualified
  • 0 to 180 degF [–18 to 66 degC] standard temperature rating (other temperatures available)
  • 12-, 16-, and 20-in standard diaphragm sizes for these valve groups
  • 170-psi [11.7-bar] maximum operating pressure
  • Wide range of available options and accessories

Bonnet specifications

  • Standard stem and bonnet material (API material and temperature class dependent)
  • PSL 1, 2, 3, and 4 available
  • Standard bonnet backseat test port provided
  • Standard packing leak indicator port provided

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