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Two-way, Unitary, 3/4 in., 3.3 Cv

VP531C1026/U

Two-way, Unitary, 3/4 in., 3.3 Cv

  • Product Info
  • Literature
  • Accessories & Replacement Parts

Overview

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, Barber-Colman, and older Honeywell devices.

Features

  • 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.

Product Specifications

Dimensions (in.)
Pipe centerline to top of actuator: 3 1/2 in. Face-to-face: 2 13/32 in.
Dimensions (mm)
Pipe centerline to top of actuator: 89 mm; Face-to-face: 61 mm
Temperature Range (F)
40 F to 240 F (140 F max difference, alternating hot and cold water service); Maximum Safe Actuator Diaphragm Temperature--230 F
Temperature Range (C)
4 C to 116 C (78 K max difference, alternating hot and cold water service); Maximum Safe Actuator Diaphragm Temperature--110 C
Includes
3-10 psi spring is packed in box
Comments
Replacement for VP531A1061 and VP531A1079
Operating Humidity Range (% RH)
5 to 95% RH
Connection Size (in.)
3/4 in.
Connection Type
NPT
Body Pattern
Two-way
Spring Range (psi)
2 psi to 5 psi
Spring Range (kPa)
14 kPa to 34 kPa
Air connections
Push on for 1/4 in. O.D. plastic tubing
Capacity (Cv)
3.3 Cv
Capacity (Kv)
2.85 Kv
Valve Action
Proportional Normally Open
Valve Type
Unitary
Body Pressure (psi)
150 psi
Body Pressure (kPa)
1034 kPa
Maximum Diaphragm Pressure (psi)
30 psi
Maximum Diaphragm Pressure (kPa)
205 kPa
Controlled Fluid
Water,Steam
Close-off Ratings at Branch Line Pressure
70 psid at 20 psi (with 2 to 5 psi spring)

Accessories

14004932-001/U

Pneumatic valve adapter to allow to retrofit an electric actuator

Replacement Parts

14003102-001/U

Replacement top assembly

14003297-002/U

Teflon packing kit for VP531C or VP531A upgrade valves

14004898-003/U

Repair top and insert for NPT and solder body, 3.3 Cv and upgrades