Schneider Electric VK-7211-201-4-3 2-Way NO Globe Valve & Pneumatic Actuator

The Schneider Electric (Barber Colman) VK-7211-201-4-3 is a factory-assembled, two-way normally open globe valve and pneumatic actuator combination engineered for precise flow control in commercial HVAC hydronic and steam systems. The pre-matched valve and actuator assembly simplifies installation and ensures optimal performance right out of the box.

Valve Specifications

• Configuration: 2-Way, Normally Open
• Pipe Size: 1/2″ NPT x Union end connections
• Flow Coefficient: Cv 2.2
• Flow Characteristic: Equal Percentage
• Body Material: Bronze body with brass trim
• Valve Type: Globe valve

Actuator Specifications

• Actuator Type: Spring Return Pneumatic
• Control Signal: 3–7 PSI pneumatic input signal
• Action: Spring return for fail-safe positioning

Key Features & Benefits

• Factory-assembled valve and actuator for quick, reliable installation
• Equal percentage flow characteristic delivers precise modulating control across a wide load range
• Normally open design ensures flow is maintained on loss of pneumatic signal — ideal for heating applications
• NPT x Union end connections allow easy in-line installation and removal without disturbing piping
• Durable bronze body with brass trim provides excellent corrosion resistance for water and steam service
• Spring return actuator provides dependable fail-safe operation
• Compatible with standard pneumatic control systems operating in the 3–7 PSI range

Typical Applications

• Commercial HVAC hydronic heating and cooling coil control
• Fan coil unit and air handling unit water valves
• Building automation systems with pneumatic controls
• Steam and hot water distribution systems