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Three-way Mixing, Unitary, O.D. 1/2 in.

VP522A1005/U

Three-way mixing, unitary water valve with 1/2 in. O.D. and 1.5/1.5 Cv capacity

  • Product Info
  • Literature
  • Accessories & Replacement Parts

Overview

Three-pipe, sequencing, pneumatically operated water valve for controlling both hot and cold water flow in fan-coil and induction units. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.

Features

  • Corrosion resistant.
  • Molded-in composition discs for tight shutoff.
  • Flare connections for easy installation.
  • Operator rotates 360 degrees for convenient air piping alignment.

Product Specifications

Dimensions (in.)
9 7/8 in. high x 5 1/8 in. diameter
Dimensions (mm)
257 mm high x 130 mm diameter
Temperature Range (F)
35 F to 250 F; Maximum Actuator Temperature--160 F
Temperature Range (C)
2 C to 121 C; Maximum Actuator Temperature--71 C
Operating Humidity Range (% RH)
5 to 95% RH
Connection Size (in.)
O.D.: 1/2 in.; Nominal: 3/8 in.
Connection Type
45 deg. SAE flare
Body Pattern
Three-way Mixing
Spring Range (psi)
3 psi to 11.5 psi
Spring Range (kPa)
21 kPa to 79 kPa
Air connections
1/8 in. NPT
Capacity (Cv)
Port A: 1.5 Cv, Port B: 1.5 Cv
Capacity (Kv)
Port A: 1.3 Kv, Port B: 1.3 Kv
Valve Action
Proportional/Sequencing
Valve Type
Unitary
Body Pressure (psi)
250 psi
Body Pressure (kPa)
1724 kPa
Maximum Diaphragm Pressure (psi)
25 psi
Maximum Diaphragm Pressure (kPa)
172 kPa
Controlled Fluid
Water
Close-off Ratings at Branch Line Pressure
50 psid at 13 psi

Replacement Parts

312817W/U

Actuator for VP522B1003

312817Y/U

Actuator assembly for VP522B1011 andVP522B1029

313824A/U

Rebuild kit with stem and disc holder, button with screw and packing

314459A/U

Rebuild kit W. Stem/Disc holder/button

314459B/U

Rebuild kit W. Stem/Disc holder/button

315407A/U

Rebuild kit with stem and disc holder, button with screw and packing