This triplex (three plunger rods) positive displacement, reciprocating plunger pump is constructed with a brass manifold, 304 stainless steel valve assemblies, solid ceramic plungers and standard NBR (Buna-N) seals and O-rings. "R" pump models include an integral pressure regulating valve.

4DX Series pumps are hollow-shafted and designed to bolt directly to a 56C-face electric motor, providing an easy, compact installation.