Design with big capacity& reliable performance, best choise for CNG mother station. Compressor of this series are D type, 2 throw, with less oil lubrication, mainly consisting of main boday, crank, connection rods, pistons, cylinders and coolers (air cooling or water cooling are available) Fully skid mounted, equiped with safety protection devices and control and measurement instruments. Model: D-11.8/0.56-250 Inlet pressure:0.056MPa, Outlet pressure: 25Mpa Motor power: 280KW, Capacity: 1050Nm3/h, Weight: 15T