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Environmental & Combustion Controls
VP526A1100
Three-way Mixing, Unitary, O.D.: 1/2 in. (12.7 mm); Nominal: 3/8 in. (9.5 mm), 1.0 Cv, Water

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Overview
Three-way pneumatic mixing valve provides proportional control of hot and/or cold water in unit air conditioners and fan coil systems. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.

Product Prices
Package Type Product Base Price($) Order Quantity
U
1 + $286.89
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Features

• Small size permits installation where space is limited.
• Direct-acting, rolling diaphragm actuator with integral high temperature plastic air connector for 1/4 in. (6-mm) O.D. plastic tubing.
• Spring loaded, self-adjusting Buna-N "V"-ring packing replaceable.
• Brass seats (integral lower, removable upper) and contoured plug provide metal-to-metal seating.
• Stainless steel stem.
• Linear and constant total flow throughout full plug travel.
Product Specifications  Back To Top
Description Three-way Mixing, Unitary, O.D.: 1/2 in. (12.7 mm); Nominal: 3/8 in. (9.5 mm), 1.0 Cv, Water
Body Pattern Three-way Mixing
Capacity (Cv) 1.0 Cv
Capacity (Kv) 0.86 Kv
Spring Range (psi) 8 psi to 11 psi
Spring Range (kPa) 55 kPa to 76 kPa
Valve Action Proportional Normally Open Ports B to AB
Valve Type Unitary
Type of End Connection 45 deg. SAE flare
End Connection Size (in.) O.D.: 1/2 in.; Nominal: 3/8 in.
End Connection Size (mm) O.D.: 12.7 mm; Nominal: 9.5 mm
Body Pressure (psi) 250 psi
Body Pressure (kPa) 1724 kPa
Maximum Diaphragm Pressure (psi) 29 psi
Maximum Diaphragm Pressure (kPa) 200 kPa
Dimensions (in.) 4 7/8 in. high x 3 1/8 in. wide
Dimensions (mm) 124 mm high x 79 mm wide
Temperature Range (F) 35 F to 250 F
Temperature Range (C) 2 C to 121 C
Maximum Safe Actuator Diaphragm Temperature (F) 230 F
Maximum Safe Actuator Diaphragm Temperature (C) 110 C
Air connections Push on for 1/4 in. O.D. plastic tubing
Controlled Medium Water
Operating Humidity Range (% RH) 5 to 95% RH
Close-off Ratings at Branch Line Pressure for Port A 58 psid at 0 psi
Close-off Ratings at Branch Line Pressure for Port B 50 psid at 18 psi

Literature and other Resources Download Back To Top
Installation Instructions - (VP526A Three-Way High Pressure Water Valve - English/French)
Service Data - (VP526A Pneumatic Three-Way High Pressure Water Valve)
Specification Data - (VP526A Pneumatic Three-Way High Pressure Water Valve)
VP526A Dimensions in in. (mm) Dimension(LineArt)
VP526A Dimensions in in. (mm) Dimension(LineArt - Web Quality Image)
Three-Way High Pressure Water Valve Dimension(LineArt)
Three-Way High Pressure Water Valve Dimension(LineArt - Web Quality Image)
Typical Piping for VP526 Pneumatic Valve Wiring(LineArt)
Typical Piping for VP526 Pneumatic Valve Wiring(LineArt - Web Quality Image)
Close-off ratings for VP526 Pneumatic Valve Graph(LineArt)
Close-off ratings for VP526 Pneumatic Valve Graph(LineArt - Web Quality Image)
Three Way High Pressure Water Valve Main(Photo_BW - Web Quality Image)
Three Way High Pressure Water Valve Main(Photo_BW - Print Quality Image)
Three Way High Pressure Water Valve Main(Photo_Color - Web Quality Image)
Three Way High Pressure Water Valve Main(Photo_Color - Print Quality Image)
Pneumatic 3-way high pressure water valve Ad Slick(LineArt)
Pneumatic 3-way high pressure water valve Ad Slick(LineArt - Web Quality Image)
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