GDPM series air-operated pumps are engineered for production material supply with a more compact design for use with small pails. Single post ram assures a reliable supply with thick material that doesn’t seek its own level. Series is available for pails up to 10" diameter and up to 10" tall. This series is only available with a 12:1 boost ratio with limited options. All GDPM pumps are bench top mounted or back mounted and include pump, inductor seals, dual post ram, ram control valve, pump air pressure regulator, and ram air pressure regulator.