Overview
One- or two-pipe, direct- or reverse-acting, low- or high-capacity controller used with pneumatic actuators in central fan installations. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.
Features
Adjustable setpoint and throttling range (Zero and span).Direct Acting (DA) and Reverse Acting (RA).Sharp-barb, push-on connectors for plastic tubing.Field calibration possible.
- Application : Static or Differential Pressure
- Airflow Usage : 0.022 scfm (10.0 mL/s) at 18 psi (124 kPa)
- Maximum Safe Operating Pressure (psi) : 25 psi
- Maximum Safe Operating Pressure (kPa) : 170 kPa
- Temperature Range (F) : 40 F to 120 F
- Temperature Range (C) : 5 C to 50 C
- Comments : High capacity branchline pressure
- Mounting : Duct mount
- Pressure Ratings (psi) : Maximum Safe Static Pressure-- 28 in. wc
- Pressure Ratings (kPa) : Maximum Safe Static Pressure-- 7 kPa
- Action : Reverse Acting, Direct Acting
- Number of Pipes : 2
- Mainline Pressure Range (psi) : 16 to 25 psi
- Mainline Pressure Range (kPa) : 112 to 175 kPa
- Throttling Range (in. wc) : 0.03 to 0.5 in wc (adjustable)
- Setpoint Range (psi) : 0 to ±8 in. wc (adjustable)
- Setpoint Range (kPa) : 0 to ±2 kPa (adjustable)
