Schneider Electric VK-7211-203-4-7 1" Normally Open Pneumatic Globe Valve Assembly 8-13 PSI

The Schneider Electric VK-7211-203-4-7 is a complete two-way pneumatic globe valve assembly designed for precise fluid control in HVAC and building automation systems. This 1-inch normally open valve features an integrated MK-2690 spring return pneumatic actuator with an 8-13 PSI control spring range, providing reliable fail-safe operation.

Key Features:

• 1-inch union connection with straightway NPT body pattern for easy installation and maintenance
• Brass trim construction with soft seat design for tight sealing and ultra-low energy leakage
• Two-way stem-up-to-open configuration ensures normally open fail-safe position
• MK-2690 pneumatic actuator with 8-13 PSI blue spring for spring return operation
• Linear mechanical movement with 1/8-inch FNPT air connections
• Suitable for two-position (on/off) or proportional control applications
• 90 PSI close-off pressure rating for dependable shutoff
• NEMA 1 protection rating for indoor use
• Compatible with water temperatures from 20°F to 281°F (-7°C to 138°C) and steam up to 281°F

This valve assembly is part of the VB-7211 series and includes the valve body (VB-7211-0-4-07), AV-7400 valve linkage, and MK-2690 actuator. Ideal for controlling chilled water, hot water, and low-pressure steam in heating, ventilation, and air conditioning systems. The patented precision plug design provides high rangeability for efficient heat transfer across a broad range of HVAC applications while meeting ANSI, PED, ASTM, and CRN environmental standards.