Armstrong CD-33S 1/2 in NPT Thermodynamic Steam Trap, 600 PSIG PMO

Armstrong CD-33 Series: thermodynamic steam trap from Armstrong International. See the manufacturer documentation linked below for specifications.

Part A21861 is the Armstrong CD-33S in 1/2 in NPT, rated 600 psig maximum operating pressure.

Manufacturer documentation: data sheet, installation and maintenance manual.