... it is equipped with pressure gauge, high pressure monitor and relief valve and liquid level monitor;K. Gas retrieving systemIt ... is composed of air compressor, bumper, separator, filter, heat exchanger, safety valve, one-way valve, gas pressure ... 0.7MpaG. Max. Gas store pressure: 4MpaH. Gas retrieving pressure; early pressure ≤0.8MpaI. Final pressure: ≤-0.05Mpa or ≤10 ...