Specifications: 1. working media includes gas, acid accumulator water and formation water etc. 2.Three Level Depressurization Device is 70Mpa. 1. The working medium of Three Level Depressurization Device includes gas, acid accumulator water and formation water etc. with H2S, CO2. No H2S 200g/M is required 2.Three Level Depressurization Device requires clear water pressure test 87.5Mpa, keeping pressure without any drop in 24 hours. Nitrogen sealing pressure test 50Mpa. It is qualified when there is no step down in 8 hours in the situation of 100°C. 3. Three Level Depressurization Device is 70Mpa and made into Skid Mounted model for the convenient operation.