Description
The Spence Engineering E-3-250 is a 3-inch, 250-pound-class flanged E-Main Valve featuring a cast iron body, engineered for demanding steam and pressure-regulating applications in commercial and industrial HVAC and hydronic systems. Spence Engineering is a trusted name in pressure and temperature control, and the E-Main series valves are designed to deliver consistent, dependable performance in high-pressure steam distribution and process piping environments.
Key Features
- 3″ pipe size for high-flow capacity in commercial and industrial systems
- 250# (Class 250) flanged end connections for secure, leak-resistant installation
- Cast iron (CI) body construction for durability and corrosion resistance in steam service
- E-Main Valve design engineered for reliable pressure regulation and steam control
- Flanged connections compatible with standard 250# piping and fittings
- Suitable for steam distribution, pressure reducing, and hydronic heating applications
Applications
- Commercial and industrial steam distribution systems
- Pressure reducing and regulating stations
- Boiler room and hydronic heating piping
- Process piping requiring reliable main valve control
Specifications
- SKU: E-3-250
- Brand: Spence Engineering
- Pipe Size: 3 inch
- Pressure Class: 250#
- End Connections: Flanged
- Body Material: Cast Iron
- Valve Type: E-Main Valve







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