Parameter Specification Model 26A5291X012 Product Line Fisher 667 / 667FP Actuator Component Type Spring Cartridge (Spring Module) Actuator Size Size 70 Spring Range 1440 - 2240 psi (on a 667 diaphragm) Equivalent Force: Approx. 3620 - 5620 lbf (16.1 - 25.0 kN) Action Provides the return force for spring-return actuators. The fail-safe direction (FO or FC) is determined by how the actuator is oriented on the valve. Fail-Safe Action Enables Fail-Closed or Fail-Open operation upon air supply failure. Standard Style Standard (Non-Fire Safe) Material Carbon Steel Spring; Protective Epoxy Coating
