Description
The Siemens 277-03187 is a 2-way, normally closed valve assembly engineered for precise flow control in commercial HVAC and building automation systems. Featuring a bronze body with brass trim, this valve delivers reliable performance and corrosion resistance in hydronic and pneumatic control applications. The assembly includes an 8-inch pneumatic actuator with a 5 PSI spring span and an adjustable spring range, making it well-suited for a wide variety of pneumatic control systems.
Key Features
- 2-way, normally closed (NC) valve configuration
- 1-1/2″ NPT end connections for standard piping compatibility
- 25 Cv flow coefficient for accurate flow sizing
- Equal percentage flow characteristic for precise modulating control
- Bronze body construction with brass trim for durability and corrosion resistance
- 8″ pneumatic actuator included for reliable pneumatic operation
- 5 PSI spring span with adjustable spring range for flexible system integration
Valve Specifications
- Valve Type: 2-Way, Normally Closed
- Connection Size: 1-1/2″ NPT
- Flow Coefficient (Cv): 25
- Flow Characteristic: Equal Percentage
- Body Material: Bronze
- Trim Material: Brass
Actuator Specifications
- Actuator Type: Pneumatic
- Actuator Size: 8 inch
- Spring Span: 5 PSI
- Spring Range: Adjustable
Applications
The Siemens 277-03187 valve assembly is ideal for use in commercial and industrial HVAC systems, including chilled water, hot water, and steam control applications. Its pneumatic actuator and adjustable spring range make it a versatile solution for building automation and pneumatic control systems requiring dependable modulating valve performance.
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