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
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
