Commercial Building Controls : Pneumatic Products : Pneumatic Pressure Control : PP903 : PP903A1036/U
Pneumatic, Type of control: Pneumatic
Overview
Provides proportional control of pneumatic actuators by varying the pressure between separate water pressures. Replacement devices are available for Johnson, Powers, Robertshaw, and older Honeywell pneumatic pressure controllers.
Features
- Easily accessible adjustments.
- Direct Acting (DA) or Reverse Acting (RA) setting.
- Mounting lugs for quick mounting.
Product Specifications
- Application
- Differential Pressure
- Dimensions (in.)
- 8 5/8 in. high, 9 5/8 in. wide, 3 1/4 in. deep
- Dimensions (mm)
- 219 mm high, 244 mm wide, 83 mm deep
- Maximum Safe Operating Pressure (psi)
- 18 psi
- Maximum Safe Operating Pressure (kPa)
- 124 kPa
- Mounting
- Lugs for 3-point surface mounting
- Approvals, Underwriters Laboratories Inc.
-
- Approvals, CSA
-
- Approvals, Factory Mutual
-
- Connection Size (in.)
- Input: 1/4 in. NPT; Branch Line: 1/8 in. NPT
- Differential Pressure Range (psi)
- 5 to 65 psi
- Differential Pressure Range (kPa)
- 34 to 448 kPa
- Approvals, NEMA Standard
-
- Pressure Ratings (psi)
- 0 to 300 psi
- Pressure Ratings (kPa)
- 0 to 2068 kPa
- Action
- Reverse Acting, Direct Acting
- Number of Pipes
-
- Changeover Pressure (psi)
-
- Changeover Pressure (kPa)
-
- Mainline Pressure Range (psi)
-
- Capacity
-
- Control Range (fpm)
-
- Control Range (m/s)
-
- Number of Sensor Inputs
-
- Remote Control Point Adjustment
-
- Approximate Throttling Range, Midscale (psi)
- 25 psi Maximum
- Approximate Throttling Range, Midscale (kPa)
- 172 kPa Maximum
- Actuator Force (psi)
- 7.5 psi
- Actuator Force (kPa)
- 52 kPa
