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® U.S. Registered Trademark 

 

EN0B-0552GE51 R1210 

Copyright © 2010 Honeywell Inc. • All rights reserved 

MP953A,B,C,D 

PNEUMATIC VALVE ACTUATORS 

 

PRODUCT DATA 

MP953A MP953C

MP953D

MP953B

 

GENERAL 

MP953 Pneumatic Valve Actuators are suitable for use in 
conjunction with Honeywell valves V5011, V5013, V5015, 
V5016, V5025, V5049, V5050, V5328, and V5329 to 
provide proportional control of steam or hot and cold water 
in HVAC systems. 

 SPECIFICATIONS 

Max. operating pressure 

140 kPa 

Max. safe air pressure 

210 kPa 

Air connection 

barb fitting for PE tube 6x1 or 

 

¼ " outer diameter 

See also Table 2. 
 

DIMENSIONS 

H

F

E

G

H

F

G

E

K

70

 

Fig. 1. MP953A,C (left) and MP953B,D 

Table 1. Dimensions 

Model 

EØ 

MP953A, 125 (5") 

192 

-- 

MP953C, 125 (5") 

130 

-- 120 

120 

MP953A, 200 (8") 

237 

-- 

MP953C, 200 (8") 

210 

-- 165 

140 

MP953A, 330 (13") 

327 

-- 

MP953C, 330 (13") 

343 

-- 255 

200 

-- 

MP953B, 180 (7") 

242 

-- 

107 

MP953D, 180 (7") 

180 

-- 137 

120 

-- 

 

Table 2. Specifications 

order no. 

pressure 

range (kPa) 

adjustable 
start point 

positioner 

diaphragm Ø 

stroke 

stem action 

max. operating 

temperature 

MP953A5005 

125 mm (5") 

MP953A5039 

200 mm (8") 

20 

MP953A5054 

330 mm (13") 

38 

extends 

MP953B5003 

34.5 or 69 

20.7 to 69 

yes 

180 mm (7") 

retracts 

70 °C 

MP953C5001 

13.8 to 48.3 

MP953C5019 

55.2 to 82.8 

MP953C5027 

27.6 to 75.9 

125 mm (5") 

MP953C5068 

13.8 to 48.3 

MP953C5076 

55.2 to 82.8 

MP953C5084 

27.6 to 75.9 

200 mm (8") 

20 

MP953C5142 

13.8 to 48.3 

MP953C5159 

27.6 to 75.9 

330 mm (13") 

38 

extends 

MP953D5009 

55.2 to 82.8 

MP953D5025 

27.6 to 75.9 

-- no 

180 mm (7") 

20 

retracts 

120 °C 

 

Summary of Contents for MP953A

Page 1: ...eft and MP953B D Table 1 Dimensions Model EØ F G H K MP953A 125 5 192 MP953C 125 5 130 120 120 MP953A 200 8 237 MP953C 200 8 210 165 140 MP953A 330 13 327 MP953C 330 13 343 255 200 MP953B 180 7 242 107 MP953D 180 7 180 137 120 Table 2 Specifications order no pressure range kPa adjustable start point positioner diaphragm Ø stroke stem action max operating temperature MP953A5005 125 mm 5 MP953A5039 ...

Page 2: ...ave branch line pressure applied to the diaphragm Operators with positive positioners have up to full main air pressure applied to the diaphragm to ensure that the valve is positioned proportionally to the branch line pressure control air valve stem flow Fig 2 Typical operation INSTALLATION General Ensure that the actuator has the correct size and travel to match the valve body Refer to the corres...

Page 3: ... a straight through valve position 1 turn the stem connector screw until a clearance A of approx 3 mm 1 8 exists between the spring and the actuator spider b On a three way valve a clearance A and B of approx 1 5 mm each is required at both ends of the stroke to permit proper close off If there is no air on the actuator adjust the A clearance approx 1 5 mm and recheck the B clearance when air is a...

Page 4: ...70 kPa adjustment screw set screw Fig 6 Adjustments of ranges and start points Adjustment Check 1 Install a gauge in the pilot air line P 2 Adjust the set screw see Fig 6 so that travel just begins 3 Increase pilot pressure P until travel is complete If the adjustment is correct the gauge should read this pressure within 5 kPa of the start point pressure plus the range setting EXAMPLE Range settin...

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