Conoflow’s Commandaire® Positioner is a top mounted, integral positioner used with piston or spring and diaphragm actuators. Utilizing a force balance principle this unit provides proportional positioning of an actuator with stroke lengths up to 10”. The completely enclosed design eliminates exposed levers or linkages making the Commandaire® Positioner rugged and reliable.
Specifications:
- Supply Pressure Effect: Less than 0.15% per PSI
- Power Amplification – (Proportional Band): Less than 5.0% deviation in signal or stroke produces full output pressure change
- Ambient Temperature Range: -20°F to +150°F (-29°C to +66°C)
- Flow Capacity (Dynamic): Up to 5.0 SCFM (0.14 m3/min) in either direction with a 100 PSI (690 kPa) supply
- Air Consumption (Static): 0.3 SCFM at 40 PSI supply (0.008 m3/min at 276 kPa)
- Air Supply: 20 PSI to 100 PSI (138 to 690 kPa)
- Controller Signal: All standard spans and split ranges available
- Zero Suppression: 0 to 18 PSI (0 to 124 kPa)
- Control Actions: Direct or reverse, top or bottom loading
- Actuator Travels: 1/4″ to 10″ (6.35 to 254 mm)
- Connections: 1/4″ NPT
- Adjustment: Zero adjust is external and can be made without tools
- Mounting: Mounted integrally to top of cylinder or spring and diaphragm actuator with 2-1/4″ dimension between positioner mounting flange and actuator stem in retracted position
- Weight: Approximate Shipping Weight: 2-3/4 lbs. (1.25 Kg)