Siemens 281-05972 4 Inch Flanged Normally Closed 2-Way Control Valve with 12 Inch Actuator

The Siemens 281-05972 is a 4-inch flanged, normally closed (N/C) two-way control valve equipped with a 12-inch actuator. This industrial-grade valve assembly is designed for HVAC applications requiring precise flow control in heating, cooling, and ventilation systems.

Key Features:

• 4-inch flanged connection for secure installation in commercial piping systems
• Normally closed (fail-safe) configuration ensures valve closes upon power loss
• Two-way design provides on/off or modulating control of fluid flow
• Integrated 12-inch stroke actuator for reliable operation and control
• Built to Siemens quality standards for commercial building automation
• Suitable for chilled water, hot water, and glycol solution applications

This valve assembly is ideal for use in building management systems, central plant applications, and other commercial HVAC installations where dependable flow control is critical. The flanged connection design allows for easy maintenance and servicing.