VP531C1000/U

Two-way, Unitary, 1/2 in., 1.6 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 9/32 in.
Dimensions (mm): Pipe centerline to top of actuator: 89 mm; Face-to-face: 58 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 VP531A1004 and VP531A1012
Operating Humidity Range (% RH): 5 to 95% RH
Connection Size (in.): 1/2 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): 1.6 Cv
Capacity (Kv): 1.38 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: Steam,Water
Close-off Ratings at Branch Line Pressure: 70 psid at 20 psi (with 2 to 5 psi spring)