DESCRIPTION
The MO953 and MP953 Pneumatic
Valve
Actuators
(“Actuators”) are used with
V5011
and
V5013
Valves and
can control older steam and water valves via adapters. The
M0953A-D
Actuators are functionally identical to the
MP953A-D
Actuators. Therefore, most of this sheet is
directed to the MP953 Actuators.
MP953A
and B Actuators use a Gradutrol Relay for
positioning, and the
MP953E
and
MP953F
Actuators use a
positive positioner. The relay and the positioner function in
essentially the same way. Positivepositionerretrofitkitsare
available for
MP953A
and B Actuators (see
ACCESSORIES).
APPLICATION
These Actuators operate the
V5011
and
V5013
Valves
and certain other coil, line, and zone valves that
GENERAL
proportionally control steam or hot and cold liquids in
HVAC systems.
SPECIFICATIONS
MODELS:
MP953A-Direct-acting with Gradutrol Relay
MP953B-Reverse-acting with Gradutrol Relay
MP953C-Direct-acting without positioner
MP953D-Reverse-acting without positioner
MP953E-Direct-acting with positive positioner
MP953F-Reverse-acting with positive positioner
MAXIMUM SAFE AIR PRESSURE
25 psi (172
kPa)
See Table 1 for additional specifications.
Table
1.
MO953/MP953
Specifications.
MP953
I
MO953
I
Size in
Device Type Active Inactive Active Inactive In. (mm)
Direct
acting
-
A1087 A1004 A1210
-
Al 5 (127)
with Gradutrol
-
Al095 A1012 Al228
-
A2
Relay
A
I
-
All78 A1053
-
A7
-
A1202 All86 A1061
-
A8
13 (330)
with Gradutrol
i
Cl067
I-
Cl067 C3XH
8 (203)
Cl075
I
-
Cl075
C3XK
-
Cl141
-
C9XH
5 (127)
-
Cl158
-
C9XK
112
(13) 160 (71)
314 (19)
314
(19)
l-1/2
(38)
314
(19)
l-1/2
(38)
314 (19)
103)
l/2
(13)
2-7 (14-48) No
8-l 2 (55-83)
1
3-91 75-5500
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