Straight Centrifugal Pump, Polypropylene with Hydraulic Motor Drive, 82 Max GPM

HM3 For Large Open Center Systems
HM4 For Closed Center Systems

The Hypro hydraulic motor features a fixed displacement internal gear design for smooth operation. An internal by-pass needle valve regulates hydraulic oil flow to the gears. A double lip Teflon shaft seal provides exceptional reliability even with high hydraulic back pressure.
HM3 - 24 GPM Max Oil; 1/2" Ports
HM4 - 7 GPM Max Oil; 1/2" Ports
Use 2120-9 seal.

Hypro's Polypropylene Centrifugal Pumps ensure long life because of their excellent corrosion resistant characteristics. The lightweight polypropylene pump is the first choice for handling acid based fertilizers. All parts in contact with the fluid pumped are manufactured of 30% glass-filled polypropylene. 1-1/2" x 1-1/4" FPT; Carbon-Ceramic Viton® Mechanical Seal.
Viton® is a registered trademark of DuPont Performance Elastomers