Description
The Armstrong International GP-2000-1 1/4-321 is a heavy-duty, externally piloted pressure reducing valve engineered for reliable steam pressure management in commercial and industrial HVAC and process piping systems. Built with a ductile iron body for long-lasting durability, this valve accepts a maximum inlet pressure of 300 PSI and delivers a precise, adjustable outlet pressure range of 3–21 PSI via its factory-installed yellow spring. The external pilot design allows for accurate downstream pressure sensing and superior regulation stability, making it the preferred choice for demanding steam distribution applications.
Key Features
- Externally piloted design for precise downstream pressure sensing and stable regulation
- Ductile iron body construction for strength and long service life
- 1-1/4″ NPT connections for straightforward installation into standard piping systems
- Maximum inlet pressure: 300 PSI
- Adjustable outlet pressure range: 3–21 PSI (yellow spring)
- Designed specifically for steam service applications
Specifications
- SKU: GP-2000-1 1/4-321
- Brand: Armstrong International
- Connection Size: 1-1/4″ NPT
- Body Material: Ductile Iron
- Maximum Inlet Pressure: 300 PSI
- Outlet Pressure Range: 3–21 PSI
- Spring Color: Yellow
- Pilot Type: External
- Media: Steam
Applications
- Commercial and industrial steam distribution systems
- Boiler room pressure management
- Process steam pressure reduction and control
- HVAC hydronic and steam heating systems
