... host using the most advanced semi-closed 5:6 screw compressor, motor, compressor seal leakage to non-integrated design, energy efficiency ... control: 100%, 75%, 50%, 25% (or start), 0, saving energy; * Only the total number of reciprocating screw compressor part 1 / ... sensitive to humidity trip, very low failure rate; * Screw compressor failure-free operation up to 40,000 hours.Characteristics of ...