Description
The Maxon 28475 is a fully assembled 2-way, normally open control valve solution engineered for precise flow regulation in commercial and industrial HVAC and process applications. Combining a bronze-body globe valve with a spring return pneumatic actuator, this pre-assembled package delivers reliable, repeatable performance right out of the box — reducing installation time and minimizing compatibility concerns.
Valve Features
- Configuration: 2-Way, Normally Open (N/O)
- Connection: 1″ NPT threaded end connections
- Flow Coefficient: 10 Cv
- Flow Characteristic: Equal Percentage — ideal for precise modulating control across a wide range of flow conditions
- Body Material: Bronze for excellent corrosion resistance and durability
- Trim Material: Brass for reliable seating and long service life
- Valve Style: Globe valve design for superior throttling performance
Actuator Features
- Actuator Type: Spring Return Pneumatic
- Operating Pressure Range: 8–13 PSI
- Fail-Safe Operation: Spring return action ensures the valve returns to the normally open position upon loss of air signal, providing built-in system protection
- Designed for integration with pneumatic control systems in commercial HVAC and building automation environments
Application Highlights
- Suitable for heating and cooling coil control in air handling units
- Compatible with pneumatic DDC and legacy pneumatic control systems
- Equal percentage characteristic provides stable control at both low and high load conditions
- Bronze/brass construction suited for hydronic water and steam service
- Factory-assembled valve and actuator combination ensures proper sizing and compatibility
Why Choose the Maxon 28475?
The Maxon 28475 valve assembly takes the guesswork out of valve-actuator matching. The equal percentage flow characteristic ensures smooth, stable modulation across varying system loads, while the bronze body and brass trim deliver long-term reliability in demanding hydronic environments. The 8–13 PSI spring return pneumatic actuator provides dependable fail-safe operation, making this assembly a trusted choice for engineers and technicians working on commercial HVAC systems.
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