Commercial Building Controls : Pneumatic Products : Pneumatic Damper Actuators : MP920 : MP920B1002/U
Damper Actuator, force: High,7.25-13 psi
Overview
Provides proportional control of large dampers in HVAC systems or inlet vanes on a VAV fan. Positive positioner available separately. Replacement devices are available for Robertshaw actuator models.
Features
- Rolling diaphragm operated.
- Fail safe on over pressure.
- Actuator can be swivel mounted from either end to pipe, floor, or wall surface.
- Optional positive positioner provides accurate positioning under varying load conditions.
Product Specifications
- Dimensions (in.)
- Less bracket: 12 7/32 in. long, 6 3/16 in. diameter / Less bracket with positioner: 16 7/32 in. long, 8 1/4 in. diameter
- Dimensions (mm)
- Less bracket: 315 long, 157 mm diameter / Less bracket with positioner: 415 mm long, 210 mm diameter
- Maximum Safe Operating Pressure (psi)
- 29 psi
- Maximum Safe Operating Pressure (kPa)
- 200 kPa
- Temperature Range (F)
- -20 F to +158 F
- Temperature Range (C)
- -30 C to +70 C
- Includes
- Actuator only. No Bracket. Order positive positioner, mounting and connecting hardware separately. See Installation Instructions form no. 95-6053
- Operating Humidity Range (% RH)
- 5 to 95% RH
- Actuator Type
- Damper
- Fail Safe Mode
- Spring Return
- Stroke (in.)
- 6 in.
- Stroke (mm)
- 150 mm
- Actuator Force
- High
- Spring Range (psi)
- 7.25 psi to 13 psi
- Spring Range (kPa)
- 50 kPa to 90 kPa
- Diaphragm Effective Area (sq in.)
- 24.8 sq in.
- Diaphragm Effective Area (sq cm)
- 160 sq cm
- Air connections
- Barbed fitting for 1/4 in. O.D. plastic tubing
