Honeywell VP525C, Engineering Manual, Page: 98 / 228

Valve Actuator
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MP958 Pneumatic Valve Actuators
The MP958 Pneumatic Valve Actuator is direct-acting and used
only with Honeywell V5852A2xx, V5862A2xx, V5853A2xx, and
V5863A2xx Terminal Unit Valves to control hot and/or chilled
water.
Dimensions in inches (millimeters)
Actuator Type: Valve
Action: Direct Acting
Fail Safe Mode: Spring Return
Air Connections: Barbed fitting for 1/4 in. O.D. plastic tubing
Maximum Operating Pressure: 30 psi
1 1/4
(32)
2 1/4 DIA
1
1-1/4 IN. (32 MM) MINIMUM CLEARANCE TO REMOVE
ACTUATOR. 2-1/4 IN. (57 MM) MINIMUM CLEARANCE
TO FACILITATE STRAIGHT ON TUBING CONNECTION.
IF CLEARANCE IS LESS THAN 2-1/4 IN. (57 MM), USE
AN ELBOW. 1
VALVE
SIZE
A
IN. (MM)
1/2 in. NPT
3/4 in. NPT 3-3/16 (81)
3-1/8 (79)
A
C8106A
Product Number
Actuator
Force
Spring Range
Comments (psi) (kPa)
MP958A1009 Low 2 psi to 5 psi 14 kPa to 35 kPa Only works with V5852A2xx, V5862A2xx, V5853A2xx, V5863A2xx
MP958A1017 Low 3 psi to 10 psi 21 kPa to 69 kPa Only works with V5852A2xx, V5862A2xx, V5853A2xx, V5863A2xx
MP958A1025 Low 8 psi to 11 psi 55 kPa to 76 kPa Only works with V5852A2xx, V5862A2xx, V5853A2xx, V5863A2xx