Commercial Building Controls : Pneumatic Products : Pneumatic Pressure Control : PP904 : PP904B1009/U
Two pipe Pneu. Static Pressure Regulator
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.
Product Specifications
- Application
- Static or Differential Pressure
- 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
- Low capacity branchline pressure
- Mounting
-
- Approvals, Underwriters Laboratories Inc.
-
- Approvals, CSA
-
- Approvals, Factory Mutual
-
- Connection Size (in.)
-
- Differential Pressure Range (psi)
-
- Differential Pressure Range (kPa)
-
- Approvals, NEMA Standard
-
- 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
- 1
- Changeover Pressure (psi)
-
- Changeover Pressure (kPa)
-
- Mainline Pressure Range (psi)
- 16 to 25 psi
- Mainline Pressure Range (kPa)
- 112 to 175 kPa
- Capacity
-
- Throttling Range (in. wc)
- 0.06 to 0.5 in. wc (adjustable)
- Control Range (fpm)
-
- Control Range (m/s)
-
- Number of Sensor Inputs
-
- Remote Control Point Adjustment
-
- Setpoint Range (psi)
- 0 to 8 in. wc (adjustable)
- Setpoint Range (kPa)
- 0 to 2 kPa (adjustable)
- Approximate Throttling Range, Midscale (psi)
-
- Approximate Throttling Range, Midscale (kPa)
-