Description
The Utica-Dunkirk 28685 is a complete 2-way, normally closed valve assembly engineered for reliable flow control in commercial and industrial HVAC hydronic systems. Combining a precision-built bronze body globe valve with an integrated spring return pneumatic actuator, this assembly delivers dependable modulating performance right out of the box.
Valve Specifications
- Configuration: 2-Way, Normally Closed (N/C)
- Connection Size: 1/2″ NPT
- Flow Coefficient (Cv): 4.4
- Flow Characteristic: Equal Percentage
- Body Material: Bronze
- Trim Material: Brass
- Valve Type: Globe Valve
Pneumatic Actuator Specifications
- Actuator Type: Spring Return Pneumatic
- Control Signal (Spring Range): 5–10 PSI
- Action: Normally Closed — valve opens on increasing pneumatic signal
Key Features & Benefits
- Factory-assembled valve and actuator combination for simplified installation
- Equal percentage flow characteristic provides precise, stable modulation across a wide range of flow conditions
- Bronze body construction offers excellent corrosion resistance for water and steam service
- Brass trim ensures long-term durability and reliable seating performance
- Spring return actuator provides fail-safe, normally closed position on loss of pneumatic signal
- 5–10 PSI spring range is compatible with standard pneumatic control systems
- 1/2″ NPT connections allow straightforward integration into existing piping
Typical Applications
- Hydronic heating and cooling coil control
- Commercial HVAC air handling units
- Fan coil and unit ventilator control
- Pneumatically controlled building automation systems
- Steam and hot water distribution systems
Order the Utica-Dunkirk 28685 from Jackson Systems for fast shipping and expert support.







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