Honeywell Pneumatic Controls Engineering Manual page 103

Close-off Ratings at various Branchline Pressures
8 (55)
9 (62)
10 (69)
11 (76)
12 (83)
13 (90)
14 (97)
15 (103)
0 10 20 30 40
(0) (69) (138) (207) (276)
CLOSE-OFF RATINGS AT VARIOUS BRANCH LINE 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)
End Connection
Size
Product Number (inch) (mm)
VP512A1726 1 in. 25 mm
VP512A1742 1 in. 25 mm
VP512A1767 1 1/4 in. 32 mm
VP512A1783 1 1/4 in. 32 mm
50 60 70 80 90 100
(345) (414) (483) (552) (621) (689)
PRESSURE DROP ACROSS VALVE IN PSI (kPa)
Type of End Connection
Inlet - Internal NPT;
Outlet - External NPT Union
Inlet - Internal NPT;
Outlet - External NPT Union
Inlet - Internal NPT;
Outlet - External NPT Union
Inlet - Internal NPT;
Outlet - External NPT Union
11 (76)
12 (83)
13 (90)
14 (97)
15 (103)
16 (110)
17 (117)
130
110 120 140 150
(896)
(758) (827) (965) (1034)
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
Capacity
Body Pattern (Cv) (Kv)
Two-way, Straight- 10 Cv 8.57 Kv
through
Two-way, Right 10 Cv 8.57 Kv
Angle
Two-way, Straight- 16 Cv 13.7 Kv
through
Two-way, Right 16 Cv 13.7 Kv
Angle
70-6925
Valves
M18956B
Close-off
Ratings at Spring Range
Branchline
Pressure (psi) (kPa)
78 psi at 13 psi 3 psi to 21 kPa to
8 psi 55 kPa
78 psi at 13 psi 3 psi to 21 kPa to
8 psi 55 kPa
40 psi at 13 psi 3 psi to 21 kPa to
8 psi 55 kPa
40 psi at 13 psi 3 psi to 21 kPa to
8 psi 55 kPa
95