Submittal Sheet

VP525A,C PNEUMATIC RADIATOR VALVE
3 77-5260EF
Fig. 2. VP525A close-off ratings.
Fig. 3. VP525C close-off ratings.
VP525A CLOSE-OFF
AT MAXIMUM SYSTEM PRESSURE
3-10
2-5
19
(131)
21
(145)
CONTROL AIR PRESSURE PSI (kPa)
20
(138)
15
(103)
17
(117)
18
(124)
13
(90)
16
(110)
11
(76)
9
(62)
7
(48)
14
(97)
12
(83)
ACTUATOR
SPRING RANGE
PSI (kPa)
0
(0)
20
(138)
40
(276)
60
(414)
80
(552)
100
(689)
CLOSE OFF DIFFERENTIAL
PRESSURE RATINGS PSI (kPa)
120
(827)
140
(965)
C7713
A
30
(207)
25
(172)
28
(193)
23
(159)
C
v
= 2.0
C
v
= 0.63
C
v
= 3.0
C
v
= 5.0
26
(179)
24
(165)
22
(152)
VP525C CLOSE-OFF
AT MAXIMUM SYSTEM PRESSURE
3-10
2-5
19
(131)
21
(145)
CONTROL AIR PRESSURE PSI (kPa)
20
(138)
15
(103)
17
(117)
18
(124)
13
(90)
16
(110)
11
(76)
9
(62)
14
(97)
ACTUATOR
SPRING RANGE
PSI (kPa)
0
(0)
20
(138)
40
(276)
60
(414)
80
(552)
100
(689)
CLOSE OFF DIFFERENTIAL
PRESSURE RATINGS PSI (kPa)
120
(827)
140
(965)
C7714
A
30
(207)
25
(172)
28
(193)
23
(159)
C
v
= 2.0
C
v
= 0.63
C
v
= 3.0
C
v
=
5.
0
26
(179)
24
(165)
22
(152)