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Environmental & Combustion Controls
VP525C1057
Two-way, Unitary, 3/4 in (19.1 mm), 3 Cv, Steam or Water

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Overview
Normally-open, single-seated pneumatic radiator valve with straight through or angle body construction provides proportional control of two-pipe, hot water or steam systems. Replacement devices are available for Johnson, Powers, Robertshaw, Barber-Colman, and older Honeywell devices.

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Product Prices
Package Type Product Base Price($) Order Quantity
U
1 + $278.15

Features

• Available in several capacities and spring ranges for various application requirements.
• Easily replaceable actuator assembly for convenience of service.
• Compact size for installation where space is limited.
• Can be repacked without shutting down system.
Product Specifications  Back To Top
Description Two-way, Unitary, 3/4 in (19.1 mm), 3 Cv, Steam or Water
Body Pattern Two-way
Capacity (Cv) 3 Cv
Capacity (Kv) 2.59 Kv
Spring Range (psi) 3 psi to 10 psi
Spring Range (kPa) 21 kPa to 69 kPa
Valve Action Proportional Normally Open
Valve Type Unitary
Type of End Connection NPT- Angle Male union
End Connection Size (in.) 3/4 in.
End Connection Size (mm) 19.1 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.) 4 7/8 in. high x 3 3/4 in. wide
Dimensions (mm) 124 mm high x 92 mm wide
Temperature Range (F) 40 F to 240 F
Temperature Range (C) 4 C to 116 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 Fluid Steam
Controlled Fluid Water
Operating Humidity Range (% RH) 5 to 95% RH
Includes 2-5 psi spring is packed in box
Comments Replacement for VP525A1168
Close-off Ratings at Branch Line Pressure 55 psid (379 kPa) at 20 psi (138 kPa)

Literature and other Resources Download Back To Top
Installation Instructions - (VP525 Valve Rebuild Kits - English/French)
Installation Instructions - (VP525A Pneumatic Radiator Valve English/French)
Service Data - (VP525A Pneumatic Radiator Valves - English/French)
Specification Data - (VP525A Pneumatic Radiator Valve English/French)
VP525C Pneumatic Radiator Valve Dimensions Dimension(LineArt)
VP525C Pneumatic Radiator Valve Dimensions Dimension(LineArt - Web Quality Image)
Pneumatic Radiator Valve Dimension(LineArt)
Pneumatic Radiator Valve Dimension(LineArt - Web Quality Image)
Typical piping for VP525C Pneumatic Valve Wiring(LineArt)
Typical piping for VP525C Pneumatic Valve Wiring(LineArt - Web Quality Image)
Close off at maximun steam pressure for the VP525C Pneumatic Radiator Valve Graph(LineArt)
Close off at maximun steam pressure for the VP525C Pneumatic Radiator Valve Graph(LineArt - Web Quality Image)
VP525 Pneumatic Radiator Valve Ad Slick(LineArt)
VP525 Pneumatic Radiator Valve Ad Slick(LineArt - Web Quality Image)
Pneumatic Radiator Valve Main(Photo_BW - Web Quality Image)
Pneumatic Radiator Valve Main(Photo_BW - Print Quality Image)
Pneumatic Radiator Valve Main(Photo_BW - Web Quality Image)
Pneumatic Radiator Valve Main(Photo_BW - Print Quality Image)
Pneumatic Radiator Valve Main(Photo_BW - Web Quality Image)
Pneumatic Radiator Valve Main(Photo_BW - Print Quality Image)
Pneumatic Radiator Valve Main(Photo_BW - Web Quality Image)
Pneumatic Radiator Valve Main(Photo_BW - Print Quality Image)
Pneumatic Radiator Valve Ad Slick(LineArt)
Pneumatic Radiator Valve Ad Slick(LineArt - Web Quality Image)
Valve Rebuild Kit Exploded(LineArt)
Valve Rebuild Kit Exploded(LineArt - Web Quality Image)
Close-off ratings for VP525C Pneumatic Valve Graph(LineArt)
Close-off ratings for VP525C Pneumatic Valve Graph(LineArt - Web Quality Image)
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Dimensional Diagram
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Product Accessories
14004932-001 - Pneumatic Valve Adapter (M6410/M7410 linkage and a green main spring to allow to retrofit an electric actuator)