Armstrong B5 1 1/4 in BSP Float & Thermostatic Steam Trap

Armstrong's B and BI Series float and thermostatic steam traps are made for heating service that needs continuous drainage and high air-venting capacity. The thermostatic air vent is charged to track the steam pressure-temperature curve from 20 inches of vacuum to 30 psig, venting air slightly below steam temperature across that range.

Part D522807 is the Armstrong B5 in 1 1/4 in BSP.

Manufacturer documentation: data sheet, installation and maintenance manual.