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GC31/GC34 Commandaire® Positioners
Brand: ITT ConoflowConoflow’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
Brand
Actuator Travels
- 1/4" to 10" (6.35 to 254 mm)
Adjustment
- Zero Adjust is External & Can be Made without Tools.
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)
Ambient Temperature Range
- -20° to +150° F (-29° to +66° C)
Connections
- 1/4" NPT
Control Actions
- Direct or Reverse, Top or Bottom Loading
Controller Signal
- All Standard Spans & Split Ranges Available.
Flow Capacity (Dynamic)
- Up to 5.0 scfm (0.14 m³/min) in Either Direction with a 100 psi (690 kPa) Supply
Mounting
- Mounted Integrally to Top of Cylinder or Spring & Diaphragm Actuator with 2-1/4" Dimension between Positioner Mounting Flange & Actuator Stem in Retracted Position.
Power Amplification - (Proportional Band)
- Less than 5.0 % Deviation in Signal or Stroke Produces Full Output Pressure Change
Supply Pressure Effect
- Less than 0.15 % Per psi
Weight
- Approximately Shipping Weight: 2-3/4 lb (1.25 kg)
Zero Suppression
- 0 to 18 psi (0 to 124 kPa)
