BAUER Kompressoren's comprehensive gas-compressor portfolio for industrial applications. M-Series — reciprocating CNG compressors 7.5–350 HP, up to 4500 psig discharge for natural-gas vehicle fueling. XXL-Series — two-stage CNG systems with GRU rotary-screw booster first stage for high-flow/low-inlet-pressure applications. FG-Series — 3- or 4-stage compressors capturing methane from dry-gas-seal leaks and pipeline blow-downs. G-Series — noble-gas (helium, argon) recovery systems at 90–350 bar. Optional 'Q-Technology' package for 65 dB(A) operation.