Armstrong B1670-3 Piston Cap Assembly 17-4 for H900 Bimetallic Steam Trap

Armstrong part B1670-3: piston cap assembly 17-4 for the Armstrong H900 bimetallic steam trap (SH-900 Series).

Armstrong's SH-900 Series bimetallic steam traps are built for superheat service. The valve is wide open at start-up to purge cold condensate and non-condensables, closes as the bimetallic elements reach steam temperature, and cycles open as they cool to discharge condensate.

Manufacturer documentation for the SH-900 Series: data sheet, installation and maintenance manual.