Key Parameters & Specifications Model Series: Bettis DXM (Double-acting/Spring-return) Type: Pneumatic Rack and Pinion Actuator Model Designation: DXM-208C Configuration: Typically Double-Acting (air-to-open, air-to-close) - verify specific configuration Torque Output: Model 208: Specific torque rating (typically in the medium range) Mounting: ISO 5211 mounting interface for direct valve mounting Temperature Range: Standard: -20°F to 180°F (-29°C to 80°C); Extended ranges available Pressure Rating: 40 to 120 psi (2.8 to 8.3 bar) standard; higher options available Supply Medium: Clean, dry, non-corrosive compressed air or natural gas Housing Material: Hard-coated aluminum alloy for corrosion resistance Options: Available with manual override, positioners, limit switches, and solenoid valves Key Features Rack and Pinion Design: Efficient torque transmission with minimal backlash Compact Construction: Space-saving design for tight installations Double Rack and Pinion: Balanced operation reduces bearing wear Corrosion Protection: Hard-coated aluminum with optional epoxy coating Modular Design: Easy addition of accessories without removing actuator from valve Typical Applications Oil and gas pipelines Chemical and petrochemical processing Water and wastewater treatment Power generation Marine and offshore platforms Industrial manufacturing