Description
The Armstrong International 30B8 is a Series B Cast Iron Float & Thermostatic (F&T) Steam Trap engineered for dependable condensate and air removal in low- to medium-pressure steam systems. Featuring a standard 2″ NPT connection, this trap is well-suited for a wide range of commercial and industrial heating applications where efficient steam system performance is critical.
Product Overview
Armstrong’s Series B F&T steam traps combine a float mechanism for continuous condensate discharge with an integrated thermostatic air vent for automatic air and non-condensable gas elimination. The cast iron body provides rugged durability and long service life in demanding steam environments.
Key Features
- Series B Cast Iron Float & Thermostatic (F&T) Steam Trap
- 2″ NPT standard connection for straightforward installation
- 30 PSI maximum allowable pressure (MAP) rating
- 9/16″ orifice for optimized condensate flow capacity
- Integrated thermostatic air vent for automatic purging of air and non-condensable gases
- Cast iron body construction for durability and corrosion resistance in steam service
- Continuous condensate discharge via float mechanism — no slugging or water hammer
Specifications
- SKU: 30B8
- Brand: Armstrong International
- Connection Type: Standard, 2″ NPT
- Maximum Allowable Pressure: 30 PSI
- Orifice Size: 9/16″
- Body Material: Cast Iron
- Trap Type: Float & Thermostatic (F&T)
- Series: Series B
Applications
- Commercial and industrial steam heating systems
- Unit heaters, heat exchangers, and coils
- Low- to medium-pressure steam distribution lines
- Process heating applications requiring continuous condensate removal







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