... Multistage compression. 3.Easy maintena Xinyi Gas Compressor Structures & Features1.Reasonable design and high efficiency.2.Multistage compression.3.Easy ... N2, NH3, CO2, Ar, H2, O2, CH4 and other gas mixtures. Xinyi High-pressure Oil-free Compressor Features:1. ... observed directly though Starting & Control Panel. It is convenient for maintenance, with high efficiency and safety. Valves 30,,,.With 30 ...