Waukesha model 25DO, 316 stainless steel positive displacement pump rated from 5 to 36 gallons per minute - depending on materials and application.
Displacement: 0.06 gallons per revolution. RPM: 600 . Pressure rating: up to 150 psi. Temperature rating: -40° F to 300°F. Equipped with a 2 hp drive and 1-1/2" OD inlet / outlets.