Honeywell VP531C Catalog Page
Pneumatic Valves
A
D
C
C
2-1/4 (DIA)
(54)
AIR CONNECTION FOR
1/4 IN. (6 mm) O.D. TUBING
1-1/2
(38)
B
A
1
(25)
3-1/2
(89)
NPT THREADED BODY SOLDER BODY
1-1/2
(38)
MINIMUM
CLEARANCE
FOR
SERVICING
VALVE
REUSABLE COPPER
RING SEAL FOR
BONNET NUT
C7987B
BODY SIZE A B C D
1/2 IN. NPT 1/2 IN. PIPE 4-1/8 IN. 2-9/32 IN. –
(1.6 OR 2.3 CV) (104 MM) (58 MM)
3/4 IN. NPT 3/4 IN. PIPE 4-3/16 IN. 2-7/16 IN. –
(2.6 OR 3.3 CV) (106 MM) (61 MM)
1/2 IN. SOLDER 5/8 IN. (16 MM) O.D. 4-1/8 IN. 1-5/8 IN. 1/2 IN.
(1.6 CV) COPPER TUBING (104 MM) (41 MM) (13 MM)
3/4 IN. SOLDER 7/8 IN. (22 MM) O.D. 4-3/16 IN. 1-1/2 IN. 3/4 IN.
(2.6 OR 3.3 CV) COPPER TUBING (106 MM) (38 MM) (19 MM)
VP531C Pneumatic Terminal Unit Valve
Normally-open, single-seated valve provides proportional control
of steam or hot or cold water in terminal units. Replacement
devices are available for Johnson, Powers, Robertshaw, BarberColman, and older Honeywell devices.
• Available in several capacities and spring ranges for various
application requirements.
• Easily replaceable actuator assembly for convenience of service.
• Compact size for use inside most unit enclosures.
Dimensions in inches (millimeters)
Product Number
VP531C1000/U 1/2 in. 12.7 mm NPT 1.6 Cv 1.38 Kv 2 psi to 5 psi 14 kPa to 34 kPa Replacement for VP531A1004
VP531C1018/U 3/4 in. 19.1 mm NPT 2.6 Cv 2.24 Kv 2 psi to 5 psi 14 kPa to 34 kPa Replacement for VP531A1046
VP531C1026/U 3/4 in. 19.1 mm NPT 3.3 Cv 2.85 Kv 2 psi to 5 psi 14 kPa to 34 kPa Replacement for VP531A1061
VP531C1034/U 1/2 in. O.D.: 15.9 mm;
VP531C1042/U 3/4 in. O.D.: 22.2 mm;
724 customer.honeywell.com 70-6910
End Connection Size
Nominal: 12.7 mm
Nominal: 19.1 mm
Type of End
Connection
Solder 1.6 Cv 1.38 Kv 2 psi to 5 psi 14 kPa to 34 kPa Replacement for VP531A1087
Solder 2.6 Cv 2.24 Kv 2 psi to 5 psi 14 kPa to 34 kPa Replacement for VP531A1103
Valve Type: Unitary
Body Pattern: Tw o- w ay
Body Pressure: 150 psi (1034 kPa)
Air Connections: Push on for 1/4 in. O.D. plastic tubing
Valve Action: Proportional Normally Open
Controlled Medium: Steam; Water
Operating Humidity Range (% RH): 5 to 95% RH
Temperature Range: 40 F to 240 F (140 F max difference, alternating
hot and cold water service) (4 C to 116 C (78 K max difference,
alternating hot and cold water service))
Close-off Ratings at Branch Line Pressure:
5 psi spring)
Maximum Safe Actuator Diaphragm Temperature: 230 F (110 C)
Maximum Diaphragm Pressure: 30 psi (205 kPa)
Includes: 3-10 psi spring is packed in box
Accessories:
14003648-001-Vandalism Resistant Assembly, Cover assembly with 1/8
in NPT air Connection and push-in retainer to replace standard Cover
14004932-001-Pneumatic Valve Adapter (M6410/M7410 linkage and a
green main spring to allow to retrofit an electric actuator)
Replacement Parts:
315913/0041-Orange Spring, 3 to 10 psi for VP525, VP526, VP527,
VP531
316026-Yellow Spring, 8-11 psi
316027/0042-Green Spring, 2 to 5 psi
14001046-004-Cover fastener for VP525A,C; VP526A; VP527A; or
VP531A,C
14002560-010-Repair stem assembly, 1.6 Cv VP531C or to Upgrade,
1.6 Cv VP531A
14002560-011-Repair stem assembly for 2.6 Cv VP531C or to Upgrade
2.6 Cv VP531A
14002560-012-Repair stem assembly for 3.3 Cv VP531C or to Upgrade
3.3 Cv VP531A
14003102-001-Replacement top assembly
14003297-002-Teflon packing kit for VP531C or VP531A upgrade
valves
14004898-001-Repair Top & Insert for NPT and Solder body, 1.6 Cv
VP531C or to upgrade NPT and solder body, 1.6 Cv VP531A
14004898-002-Repair Top & Insert for NPT and Solder body, 2.3 and
2.6 Cv VP531C or to upgrade NPT and solder body, 2.3 and 2.6 Cv
VP531A
14004898-003-Repair Top & Insert for NPT and Solder body, 3.3 Cv
Capacity Spring Range
70 psid at 20 psi (with 2 to
Comments(inch) (mm) (Cv) (Kv) (psi) (kPa)
and VP531A1012
and VP531A1053
and VP531A1079
and VP531A1095
and VP531A1111
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