Overview
Used for proportional control of medium- to large-size dampers in HVAC systems. The MP918A,B are rolling diaphragm, piston-type actuators. Positive Positioner available. Replacement devices for most competitors products
Features
- Rolling diaphragm operated.
- Low friction shaft bearing.
- Close tolerance on operating range and stroke.
- Versatile mounting and connecting hardware.
- Non-overlapping spring ranges for sequencing.
- Reliable-long life.
Product Specifications
- Dimensions (in.)
- 18 1/4 in. long x 6 7/8 in. high x 6 5/8 in. diameter
- Dimensions (mm)
- 465 mm long x 175 mm high x 168 mm diameter
- Maximum Safe Operating Pressure (psi)
- 29 psi
- Maximum Safe Operating Pressure (kPa)
- 200 kPa
- Temperature Range (F)
- -40 F to +158 F
- Temperature Range (C)
- -40 C to +70 C
- Includes
- 14004062-001 - External Trunnion Mounting Bracket with crankarm assembly
- Approvals, Underwriters Laboratories Inc.
- Components Recognized: Report R18118
- Operating Humidity Range (% RH)
- 5 to 95% RH
- Actuator Type
- Damper
- Fail Safe Mode
- Spring Return
- Stroke (in.)
- 3 1/2 in.
- Stroke (mm)
- 90 mm
- Actuator Force
- High
- Spring Range (psi)
- 3 psi to 13 psi
- Spring Range (kPa)
- 20 kPa to 90 kPa
- Diaphragm Effective Area (sq in.)
- 23.8 sq in.
- Diaphragm Effective Area (sq cm)
- 154 sq cm
- Air connections
- Barbed fitting for 1/4 in. O.D. plastic tubing
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