Description
The Armstrong International 175A4 is a Series A Cast Iron Float & Thermostatic (F&T) Steam Trap engineered for dependable condensate removal and air venting in commercial and industrial steam systems. With a robust cast iron body and a standard 1″ NPT connection, this trap is built to handle demanding steam system conditions with a maximum allowable pressure of 175 PSI.
Float & thermostatic traps combine the continuous discharge capability of a float mechanism with the automatic air-venting function of a thermostatic element. The integrated thermostatic air vent purges non-condensable gases on startup and during operation, preventing air binding and ensuring efficient heat transfer throughout the system. The precision-machined 7/64″ orifice provides consistent, controlled condensate flow matched to typical system loads.
Key Features
- Series A Cast Iron body construction for durability in steam service
- Float & Thermostatic (F&T) operating mechanism for continuous condensate discharge
- Integrated thermostatic air vent eliminates air binding and improves system efficiency
- 1″ NPT standard pipe connection for straightforward installation
- 175 PSI maximum allowable working pressure
- 7/64″ precision orifice for controlled condensate flow
Specifications
- SKU: 175A4
- Brand: Armstrong International
- Series: A
- Body Material: Cast Iron
- Connection Type: Standard (NPT)
- Connection Size: 1″ NPT
- Maximum Allowable Pressure: 175 PSI
- Orifice Size: 7/64″
- Trap Type: Float & Thermostatic (F&T)
- Air Vent: Thermostatic Air Vent Included
Applications
- Commercial and industrial steam heating systems
- Process steam equipment
- Unit heaters, coils, and heat exchangers
- Steam mains and distribution systems requiring reliable air venting
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