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Damper Actuator, force: High,10 psi span

MP918A1024/U

Damper Actuator, force: High,10 psi span

  • Product Info
  • Literature
  • Accessories & Replacement Parts

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.)
20 1/2 in. long x 8 in. high x 6 5/8 in. diameter
Dimensions (mm)
520 mm long x 205 mm high x 168 mm diameter
Maximum Safe Operating Pressure (psi)
25 psi
Maximum Safe Operating Pressure (kPa)
172 kPa
Temperature Range (F)
-20 F to +158 F
Temperature Range (C)
-29 C to +70 C
Includes
14004062-001 - External Trunnion Mounting Bracket with crankarm assembly. Positive Positioner
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)
Positive positioner 10 psi span (5 psi spring included)
Spring Range (kPa)
Positive positioner 69 kPa span (34 kPa spring included)
Diaphragm Effective Area (sq in.)
23.8 sq in.
Diaphragm Effective Area (sq cm)
154 sq cm
Air connections
5/32 in. push-on barb (Pilot), 1/4 in. push-on barb (main.)

Accessories

14004667-001/U

Offset Crank arm assembly

14004062-001/U

External trunnion mounting bracket for damper actuators

14004062-002/U

Internal N.C. Trunnion Mounting Bracket

14004062-003/U

Internal N.O. Trunnion Mounting Bracket

14004106-001/U

Actuator pushrod - conv. int.N.C. to ext

14004107-001/U

Crankarm Assembly -conv. int.N.C. to ext

14004210-001/U

Feedback spring kit for damper actuators w. 3 psi/5 psi/10 psi springs

14004236-001/U

Coupler, actuator shaft to 5/16 inch pushrod for damper actuators

14004241-002/U

Hitch pin kit, equipped with 6 sets, for damper actuators

14004242-001/U

Top mount, operator assembly, used for MP918A and B damper actuators

CCT2718/U

Threaded rod for shaft extension

CCT2725/U

Rod coupling for shaft extension

Replacement Parts

14004264-001/U

Positive positioner kit and bracket assembly for damper actuators

14004264-002/U

Positive positioner retrofit kit with 10 psi spring to convert damper actuators