Schneider Electric VK-7213-203-4-3 1/2" NPT Normally Open Valve Actuator 8-13 PSI

The Schneider Electric (Barber Colman) VK-7213-203-4-3 is a pneumatic valve actuator designed for HVAC control applications requiring precise modulation of water, steam, or other compatible fluids. This actuator features a 1/2" NPT threaded connection for straightforward installation on compatible control valves.

Key Specifications:

• Connection Size: 1/2 inch NPT female threads
• Operating Mode: Normally Open (N/O) - valve opens when air pressure is removed
• Operating Pressure Range: 8-13 PSI pneumatic control signal
• Flow Coefficient (Cv): 2.2 for accurate flow capacity calculations
• Application: Suitable for heating, cooling, and ventilation control systems

This pneumatic actuator provides reliable, proportional control in commercial and industrial HVAC systems. The normally open configuration ensures fail-safe operation, with the valve returning to the open position during power or air supply failure. The 8-13 PSI operating range makes it compatible with standard pneumatic control systems and thermostats.