Description
The Schneider Electric (Barber Colman) VK-7213-201-4-2 is a factory-assembled valve and actuator combination engineered for precise flow control in commercial HVAC hydronic and pneumatic systems. This complete assembly pairs a bronze-body globe valve with a spring return pneumatic actuator, delivering reliable, repeatable performance in heating and cooling applications.
Valve Specifications
- Configuration: 2-Way, Normally Open (NO)
- Connection: 1/2″ NPT
- Flow Coefficient: 1.3 Cv
- Flow Characteristic: Equal Percentage
- Body Material: Bronze
- Trim Material: Brass
- Valve Style: Globe Valve
Actuator Specifications
- Actuator Type: Pneumatic, Spring Return
- Control Signal Range: 3–7 PSI
- Operation: Spring return for fail-safe positioning on loss of air signal
Key Features & Benefits
- Pre-assembled valve and actuator combination for simplified installation
- Equal percentage flow characteristic provides precise, stable control across a wide range of flow conditions
- Normally Open configuration ensures flow is maintained on loss of control signal
- Spring return actuator provides fail-safe operation, automatically returning to the open position on air loss
- Bronze body with brass trim offers excellent corrosion resistance and long service life
- Compact 1/2″ NPT connection suits tight mechanical room installations
- Designed for use with pneumatic building automation and control systems
Typical Applications
- Chilled water and hot water coil control in AHUs and fan coil units
- Pneumatically controlled hydronic heating and cooling systems
- Commercial building automation and HVAC zone control
- Terminal unit flow regulation
