Honeywell MP958 Catalog Page
Pneumatic Valve Actuators
CLOSEOFF RATING IN PSI (kPa)
C8105
6 (41)
7 (48)
8 (55)
9 (62)
10 (69)
11 (76)
12 (83)
13 (90)
14 (97)
15 (103)
16 (110)
17 (117)
18 (124)
19 (131)
20 (138)
20
(138)40(276)60(414)80(512)
100
(689)
120
(827)
140
(965)
160
(1103)
180
(1241)
200
(1379)
220
(1517)
240
(1655)
0
2 - 5
(14 - 35)
3 - 10
(21 - 69)
SPRING RANGE IN PSI (kPa)
11 (76)
12 (83)
13 (90)
14 (97)
15 (103)
16 (110)
17 (117)
18 (124)
19 (131)
20 (138)
8 - 11
(55 - 76)
12 (83)
13 (90)
14 (97)
15 (103)
16 (110)
17 (117)
18 (124)
19 (131)
20 (138)
C
v
= 0 19 – 0 74
C
v
= 1 2, 1 9
C
v
= 2.9, 4.9
CONTROL A R PRESSURE N PS (kPa)
CLOSEOFF RATINGS FOR MP958A ACTUATOR AND IRC VALVES
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.
Actuator Type: Valve
Action: Direct Acting
Actuator Force: Low
Fail Safe Mode: Spring Return
Air Connections: Barbed fitting for 1/4 in. O.D. plastic tubing
Maximum Operating Pressure: 30 psi
Spring Range
Product Number
MP958A1009/U 2 psi to 5 psi 14 kPa to 35 kPa Only works with V5852A2xx, V5862A2xx, V5853A2xx, V5863A2xx
MP958A1017/U 3 psi to 10 psi 21 kPa to 69 kPa Only works with V5852A2xx, V5862A2xx, V5853A2xx, V5863A2xx
MP958A1025/U 8 psi to 11 psi 55 kPa to 76 kPa Only works with V5852A2xx, V5862A2xx, V5853A2xx, V5863A2xx
Dimensions in inches (millimeters)
1 1/4
1
2 1/4 DIA
(32)
Comments(psi) (kPa)
Pneumatic
Close-off ratings
VALVE SIZE
1/2 in. NPT
3/4 in. NPT
A IN. (MM)
3 3/16 (81)
3 1/8 (79)
A
1 1/4 IN. (32 MM) MINIMUM CLEARANCE TO REMOVE ACTUATOR.
1
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.
70-6910 709
M34709
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