Description
The Honeywell VP531C1042 is a 3/4″ solder-end, two-way pneumatic terminal unit valve engineered for precise proportional control in commercial hydronic and steam systems. Designed for use with water or steam, this normally open valve delivers reliable modulating performance in fan coil units, unit ventilators, and other terminal unit applications.
Key Features
- 3/4″ solder (sweat) end connections for easy installation into copper piping systems
- Two-way, normally open valve action for proportional control
- Flow coefficient (Cv) of 2.6 for accurate flow management
- Primary spring range: 2–5 PSI for standard pneumatic control applications
- Includes an additional 3–10 PSI spring for extended range flexibility
- Push-on air connections compatible with 1/4″ O.D. plastic tubing for quick, tool-free pneumatic hookup
- Suitable for use with water or steam service
Specifications
- SKU: VP531C1042
- Brand: Honeywell
- Connection Size: 3/4″
- Connection Type: Solder (Sweat)
- Valve Configuration: Two-Way
- Valve Action: Normally Open (N.O.), Proportional
- Flow Coefficient (Cv): 2.6
- Spring Range (Primary): 2–5 PSI
- Included Spring Range: 3–10 PSI
- Air Connection: Push-on, 1/4″ O.D. plastic tubing
- Compatible Media: Water or Steam
Applications
- Fan coil units and unit ventilators
- Commercial hydronic heating and cooling systems
- Steam terminal unit control
- Pneumatically controlled building automation systems
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