Submittal Sheet

VP525A,C PNEUMATIC RADIATOR VALVE
77-5260EF 2
Maximum Pressure Differential
for Quiet Service and Normal Life of Disc and Seat:
Water: 20 psi (138 kPa).
Steam (VP525C only): 10 psi (69 kPa).
Actuator: Rolling diaphragm type.
Air Connection: Integral, for 1/4 in. (6 mm) OD plastic tubing.
Maximum Safe Air Pressure: 30 psi (207 kPa).
Maximum Safe Diaphragm Temperature: 230°F (110°C).
Accessories:
14001101-001 Position Indicator.
14003648-001 Vandalism Resistant Assembly: cover
assembly with 1/8 in NPT air connection and push-in
retainer to replace standard cover.
Table 1. VP525 Models.
Fig. 1. Dimensions in in. (mm).
Model Body Pattern Size (NPT) Cv
VP525A Straight 1/2 0.63
2.0
3.0
3/4 3.0
5.0
Angle 1/2 2.0
3.0
3/4 3.0
5.0
VP525C Straight 1/2 0.63
2.0
3.0
3/4 3.0
5.0
Angle 1/2 2.0
3.0
3/4 3.0
5.0
A
A
E
B
B
C
C
D
D
1-1/2
(38)
1-1/2
(38)
2-1/4 DIAMETER (57)
2-1/4 DIAMETER (57)
BODY STYLE SIZE NPT
A
BCDE
STRAIGHT THRU –
MALE UNION OUTLET
1/2
3/4
1/2
3/4
3-1/2
3-1/2
3-1/4
3-1/8
(90)
(90)
(83)
(80)
1-3/8
1-3/8
1
1
(35)
(35)
(25)
(25)
1-3/8
1-5/8
1-1/8
1-1/4
(35)
(41)
(29)
(32)
2-1/2
3
2-5/8
3
(63)
(76)
(66)
(76)
3/4
1-1/8
(19)
(29)
ANGLE – MALE
UNION OUTLET
M16449A
1-1/2 in. (38 mm) MINIMUM CLEARANCE TO REMOVE
ACTUATOR. 2 1/2 in. (63 mm) MINIMUM CLEARANCE
TO FACILITATE STRAIGHT ON TUBING CONNECTION.
IF CLEARANCE IS LESS THAN 2 1/2 in. (63 mm)
USE AN ELBOW.
1
1 1
AIR CONNECTION
FOR1/4 IN. (6 mm)
O.D. PLASTIC TUBING
AIR CONNECTION
FOR1/4 IN. (6 mm)
O.D. PLASTIC TUBING
COVER FASTENERCOVER FASTENER