Valves
Humidistats
and
Thermostats Controllers Sensors Relays Switches Actuators Valves Accessories
Engineering
Guide
Cross
Reference
70-6925 95
Close-off Ratings at various Branchline Pressures
Valve Type: Globe Valve
Body Pressure: 150 psi
Air Connections: Dual barbed for 5/32 in. or 1/4 in. plastic tubing
Valve Action: Proportional Normally Open
Controlled Medium: Water; Steam
Operating Humidity Range (% RH): 5 to 95% RH
Temperature Range: For Water: 115 F to 240 F;
For Steam: 212 F to 275 F
Maximum Temperature Differential: For Water: 140 F
Maximum Actuator Temperature: 160 F
Maximum Diaphragm Pressure: 25 psi (172 kPa)
Accessories:
312817AA Actuator Assembly, 3 to 8 psi, 21 to 55 kPa, and 1/2 in.
stroke.
312817AB Actuator Assembly, 6 to 11 psi, 41 to 76 kPa and 1/2 in.
stroke.
Replacement Parts:
14002863-001 Valve rebuild kit for 3/4 to 1 1/4 in valves with Cv of 6.3
or 10
M18956B
BLP WITH 3 TO 8 PSI (21 TO 55 kPa) SPRING RANGE
BLP WITH 6 TO 11 PSI (41 TO 76 kPa) SPRING RANGE
PRESSURE DROP ACROSS VALVE IN PSI (kPa)
8 (55)
9 (62)
10 (69)
12 (83)
11 (76)
13 (90)
0
(0)
10
(69)
30
(207)
50
(345)
70
(483)
150
(1034)
110
(758)
15 (103)
14 (97)
12 (83)
11 (76)
13 (90)
15 (103)
16 (110)
17 (117)
14 (97)
140
(965)
20
(138)
40
(276)
60
(414)
90
(621)
80
(552)
100
(689)
120
(827)
130
(896)
CLOSE-OFF RATINGS AT VARIOUS BRANCH LINE PRESSURES
C
V
= 16.0
C
V
= 0.63 to 2.5
C
V
= 10.0
C
V
= 6.3
C
V
= 4.0
Product Number
End Connection
Size
Type of End Connection Body Pattern
Capacity
Close-off
Ratings at
Branchline
Pressure
Spring Range
(inch) (mm) (Cv) (Kv) (psi) (kPa)
VP512A1726 1 in. 25 mm Inlet - Internal NPT;
Outlet - External NPT Union
Two-way, Straight-
through
10 Cv 8.57 Kv 78 psi at 13 psi 3 psi to
8 psi
21 kPa to
55 kPa
VP512A1742 1 in. 25 mm Inlet - Internal NPT;
Outlet - External NPT Union
Two-way, Right
Angle
10 Cv 8.57 Kv 78 psi at 13 psi 3 psi to
8 psi
21 kPa to
55 kPa
VP512A1767 1 1/4 in. 32 mm Inlet - Internal NPT;
Outlet - External NPT Union
Two-way, Straight-
through
16 Cv 13.7 Kv 40 psi at 13 psi 3 psi to
8 psi
21 kPa to
55 kPa
VP512A1783 1 1/4 in. 32 mm Inlet - Internal NPT;
Outlet - External NPT Union
Two-way, Right
Angle
16 Cv 13.7 Kv 40 psi at 13 psi 3 psi to
8 psi
21 kPa to
55 kPa