Description
Designed for proportional control of medium to large dampers in HVAC systems, the MP918A and MP918B are rolling diaphragm, piston-type actuators. The MP918A model features a positive positioner. Replacement units are compatible with Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell actuator models
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.
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.
Specs
| Air Connections: |
1/8″ NPT Barbed fitting for 5/32″ or 1/4″ O.D. tubing |
|---|---|
| Product Type: |
Actuator |
| Actuator Type: |
Pneumatic |
| Temperature Range (F): |
-40°F to 158°F |
| Actuator Spring Range: |
8 to 13 psi |
| Fail Safe Mode: |
Spring Return |
| Stroke: |
3-1/2″ |
| Features: |
Internal N.C. trunnion mounting bracket |
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