Schneider Electric VK-7223-203-4-2 Pneumatic Globe Valve Assembly 2-Way Normally Closed 1/2" NPT

The Schneider Electric (Barber Colman) VK-7223-203-4-2 is a 2-way normally closed pneumatic globe valve assembly designed for precise control of chilled water, hot water, or steam in commercial HVAC applications. This factory-assembled unit combines a bronze body globe valve with a spring return pneumatic actuator for reliable, responsive temperature control.

Key Specifications:

• Port Size: 1/2" NPT threaded connection
• Configuration: 2-way normally closed (N/C)
• Flow Coefficient: 1.3 Cv
• Actuator Pressure Range: 8-13 PSI (55-90 kPa)
• Body Material: Bronze with brass trim
• Equal percentage flow characteristic
• Spring return pneumatic actuator
• NEMA Type 1 enclosure

Features and Benefits:

• Pre-assembled valve and actuator for simplified installation
• Normally closed operation provides fail-safe protection
• Bronze body construction suitable for water and steam service up to 281°F
• High rangeability provides fine, accurate control for efficient heat transfer
• Soft seating ensures tight shutoff with minimal energy leakage
• Operating temperature range: -20°F to 220°F (-29°C to 104°C)
• Compatible with standard pneumatic control systems

This valve assembly is part of Schneider Electric's VB-7000 Series, trusted throughout the HVAC industry for quality and reliability. The compact design is ideal for indoor applications where space is limited, and the threaded connections allow for easy installation in hydronic systems.