MP918B1089 Honeywell Damper Actuator

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)
  • 8 psi to 13 psi
• Spring Range (kPa)
  • 55 kPa to 90 kPa
• Diaphragm Effective Area (sq in.)
  • 8 sq in.
• Diaphragm Effective Area (sq cm)
  • 154 sq cm
• Air connections
  • Barbed fitting for 1/4 in. O.D. plastic tubing