CAUTION: Before any maintenance or repair is attempted, the compressed air line to the pump should be disconnected and all air pressure allowed to bleed from pump. Disconnect all intake, discharge and air lines.
The T20 has a 4" inlet and 4" outlet and is designed for flows up to 300 gpm. Its air distribution system is based upon design simplicity and proven efficiency. The model T20 is available in cast iron
NOTE: Before starting disassembly, mark a line from each liquid chamber to its corresponding air chamber, as well as a line from the liquid chamber to its corresponding discharge elbow and ball pot. These lines will assist in proper alignment during reassembly.