Description
Honeywell VP525C1057 Pneumatic Radiator Valve Overview
The Honeywell VP525C1057 is a 3/4″ NPT pneumatic radiator valve engineered for precise proportional control in steam and hot water heating systems. Featuring an angle body configuration with a male union connection, this valve delivers reliable, pressure-actuated flow regulation in commercial and industrial hydronic applications. Its push-on air connections simplify field installation and reduce setup time.
Key Features
- 3/4″ NPT angle body with male union connection for easy installation and serviceability
- 3 Cv flow coefficient for accurate flow capacity sizing
- 3–10 PSI spring range for proportional pneumatic control
- Normally open (N.O.) valve action — opens on loss of air signal for fail-safe operation
- Push-on air connections designed for 1/4″ O.D. plastic tubing — no tools required for air line hookup
- Compatible with both steam and hot water heating systems
- Proportional control action for precise modulation and energy efficiency
Application
The VP525C1057 is ideal for use in pneumatically controlled radiator and convector systems found in commercial buildings, schools, hospitals, and industrial facilities. The normally open design ensures heat delivery is maintained in the event of air supply failure, providing an inherent safety advantage in critical heating environments.
Specifications
- SKU: VP525C1057
- Brand: Honeywell
- Connection Size: 3/4″ NPT
- Body Style: Angle
- Connection Type: Male Union
- Flow Coefficient (Cv): 3
- Spring Range: 3–10 PSI
- Air Connection: Push-on for 1/4″ O.D. plastic tubing
- Valve Action: Proportional, Normally Open
- Media: Steam or Hot Water
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