... , with primary sources, we are not trade agent.Main features of ZW compressor: ZW-1.7/8-250 type natural gas ... is vertical and 2 or 3 tage type, mainly consists of fuselage, crank, connecting rod, piston, cylinder and cooler. The compressor is ... , water pipe and instrument pipes. Main technical parameters: 1. Name of machine: Natural Gas Compressor;2. Model No.: ZW-1.7 ...