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Environmental & Combustion Controls
VP531C1000
Two-way, Unitary, 1/2 in (12.7 mm), 1.6 Cv, Steam or Water

Locate Distributors Product Specifications   Literature and Documents
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.

Product Prices
Package Type Product Base Price($) Order Quantity
U
1 + $241.08
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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  Back To Top
Description Two-way, Unitary, 1/2 in (12.7 mm), 1.6 Cv, Steam or Water
Body Pattern Two-way
Capacity (Cv) 1.6 Cv
Capacity (Kv) 1.38 Kv
Spring Range (psi) 2 psi to 5 psi
Spring Range (kPa) 14 kPa to 34 kPa
Valve Action Proportional Normally Open
Valve Type Unitary
Type of End Connection NPT
End Connection Size (in.) 1/2 in.
End Connection Size (mm) 12.7 mm
Body Pressure (psi) 150 psi
Body Pressure (kPa) 1034 kPa
Maximum Diaphragm Pressure (psi) 30 psi
Maximum Diaphragm Pressure (kPa) 205 kPa
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)
Temperature Range (C) 4 C to 116 C (78 K max difference, alternating hot and cold water service)
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 Steam
Controlled Medium Water
Operating Humidity Range (% RH) 5 to 95% RH
Includes 3-10 psi spring is packed in box
Comments Replacement for VP531A1004 and VP531A1012
Close-off Ratings at Branch Line Pressure 70 psid at 20 psi (with 2 to 5 psi spring)

Literature and other Resources Download Back To Top
Specification Data - (VP531A Terminal Unit Valves - English/French)
Installation Instructions - (VP531A Pneumatic Terminal Unit Valves English/French)
Installation Instructions - (VP531C Valve Rebuild Kits - English/French)
Service Data - (VP531A Pneumatic Terminal Unit Valve)
VP531C close off ratings. Graph(LineArt)
VP531C close off ratings. Graph(LineArt - Web Quality Image)
VP531A, C solder body connection. Installation(LineArt)
VP531A, C solder body connection. Installation(LineArt - Web Quality Image)
Typical operation of V531 Wiring(LineArt)
Typical operation of V531 Wiring(LineArt - Web Quality Image)
Proper screwed valve installation practice. Multiple Parts(LineArt)
Proper screwed valve installation practice. Multiple Parts(LineArt - Web Quality Image)
VP531A close off ratings. Graph(LineArt)
VP531A close off ratings. Graph(LineArt - Web Quality Image)
VP531C close off ratings. Graph(LineArt)
VP531C close off ratings. Graph(LineArt - Web Quality Image)
Approximate dimensions of VP531A, C Dimension(LineArt)
Approximate dimensions of VP531A, C Dimension(LineArt - Web Quality Image)
VP531A, C solder body connection. Installation(LineArt)
VP531A, C solder body connection. Installation(LineArt - Web Quality Image)
Typical operation of V531 Wiring(LineArt)
Typical operation of V531 Wiring(LineArt - Web Quality Image)
Proper screwed valve installation practice. Multiple Parts(LineArt)
Proper screwed valve installation practice. Multiple Parts(LineArt - Web Quality Image)
Approximate dimensions of VP531A, C Dimension(LineArt)
Approximate dimensions of VP531A, C Dimension(LineArt - Web Quality Image)
VP531C Close-off Rating Graph(LineArt)
VP531C Close-off Rating Graph(LineArt - Web Quality Image)
Pneumatic Terminal Unit Valve Dimension(LineArt)
Pneumatic Terminal Unit Valve Dimension(LineArt - Web Quality Image)
VP531A close off ratings. Graph(LineArt)
VP531A close off ratings. Graph(LineArt - Web Quality Image)
Typical Piping for VP531C Pneumatic Terminal Unit Valve Wiring(LineArt)
Typical Piping for VP531C Pneumatic Terminal Unit Valve Wiring(LineArt - Web Quality Image)
Pneumatic Terminal Unit Valve Main(Photo_BW - Web Quality Image)
Pneumatic Terminal Unit Valve Main(Photo_BW - Print Quality Image)
Pneumatic Terminal Unit Valve Main(Photo_Color - Web Quality Image)
Pneumatic Terminal Unit Valve Main(Photo_Color - Print Quality Image)
Pneumatic Terminal Unit Valve Main(Photo_BW - Web Quality Image)
Pneumatic Terminal Unit Valve Main(Photo_BW - Print Quality Image)
Pneumatic Terminal Unit Valve Main(Photo_Color - Web Quality Image)
Pneumatic Terminal Unit Valve Main(Photo_Color - Print Quality Image)
Pneumatic terminal unit valve Ad Slick(LineArt)
Pneumatic terminal unit valve Ad Slick(LineArt - Web Quality Image)
Close-off ratings for VP531 Pneumatic Terminal Unit Valve Graph(LineArt)
Close-off ratings for VP531 Pneumatic Terminal Unit Valve Graph(LineArt - Web Quality Image)
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Dimensional Diagram
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Product 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)