Description
The Hoffman Specialty 402005 is a Series 9C Balanced Pressure Thermostatic Steam Trap engineered for dependable condensate removal in commercial and industrial steam systems. Featuring a 1″ NPT angle pattern configuration and a 125 PSI differential pressure rating, this trap delivers consistent performance across a wide range of steam system applications.
How It Works
Balanced pressure thermostatic steam traps operate using a sealed, fluid-filled bellows element that responds to temperature differentials between steam and condensate. When condensate cools below steam temperature, the bellows contracts and opens the valve to discharge condensate and air. As steam approaches, the bellows expands and closes the valve, preventing live steam loss. This self-regulating action ensures efficient energy use and protects downstream equipment.
Key Features
- Series 9C Balanced Pressure Thermostatic design for precise temperature-responsive operation
- 1″ NPT connection for straightforward installation into standard piping
- Angle pattern body configuration for versatile inline or directional piping layouts
- 125 PSI differential pressure rating for robust steam system compatibility
- Compact, durable construction suitable for commercial and industrial steam heating applications
- Effective air and non-condensable gas venting for improved system startup and efficiency
Specifications
- Model: 9C-A-4-125
- Series: 9C
- Connection Size: 1″ NPT
- Pattern: Angle
- Differential Pressure Rating: 125 PSI
- Trap Type: Balanced Pressure Thermostatic
- Brand: Hoffman Specialty (Xylem)
- SKU: 402005
Applications
- Steam heating distribution systems
- Unit heaters and heat exchangers
- Steam tracing lines
- Commercial and industrial boiler system condensate management







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