GDF series are ultra-high pressure pumps. Comes in four models. Its maximum flow rate of 73L/min and a maximum pressure of 600Bar. High grade stainless steel manifold, high resistant alloy crankcase, hardened alloy steel crankshaft, light alloy connecting rod, high precision finish, ceramic plunger, precision grinding. double pressure packing, high-low with integrated cooling, high volumetric efficiency checking valves, symmetrical design, easy shaft conversion of left to right, splash lubrication.