We produce Double gear pump, double pump, tandem pump We produce Double gear pump, double pump, tandem pumpFor this gear pump, Max pressure is 25Mpa. Rotate speed: 540- ... Constant flow 12LPM .We prodcue kinds of gear pumps.It is a dual pump, high pressure gear pump series. The flange, center section and end ... about them, including the sizes, pls contact us. Double gear pump, double pump, tandem pump