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One pipe Pneu. Static Pressure Regulator


One pipe pneumatic static pressure regulator with high capacity BLP

This product is obsolete, but it can be purchased while supplies last.

  • Product Info
  • Literature
  • Accessories & Replacement Parts


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.


  • 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.

Product Specifications

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
High capacity branchline pressure
Duct mount
Connection Size (in.)
Main: Sharp-barbed fittings for 1/4 in. diameter tubing; Branch: Sharp-barbed fittings for 5/32 in. diameter tubing
Pressure Ratings (psi)
Maximum Safe Static Pressure-- 28 in. wc
Pressure Ratings (kPa)
Maximum Safe Static Pressure-- 7 kPa
Reverse Acting, Direct Acting
Number of Pipes
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)



Static Pressure Duct Head for 1/4 in., 6 mm diameter Plastic Tubing


Outdoor Static Pressure Head