Siemens Building Technology 283-03077 Normally Closed Globe Valve Assembly with Pneumatic Actuator - 1-Inch 2-Way 8-Inch

The Siemens Building Technology 283-03077 is a complete 2-way, normally closed globe valve assembly designed for precise flow control in commercial HVAC systems. This unit combines a 1-inch valve body with an 8-inch pneumatic actuator and factory-mounted positioner for accurate proportional control.

Key Features:

• 1-inch NPT female x female threaded end connections for easy installation
• 10 Cv flow coefficient for optimal flow capacity
• Stainless steel trim construction for durability and corrosion resistance
• High temperature packing rated up to 250°F for demanding applications
• Linear flow characteristic for predictable control response
• 8-inch pneumatic actuator with factory-mounted positioner
• ANSI Class 250 body rating with 203 psi rated close-off pressure
• 2-way normally closed configuration provides fail-safe operation

This valve assembly is part of Siemens' Flowrite Series, designed for reliable performance in heating, cooling, and process control applications. The integrated positioner ensures accurate valve positioning throughout the control range, making it ideal for applications requiring precise temperature or flow control.