... of raw material gas≤3500PPmv9. Equipment overall pressure drop ≤0.03MPa10.Adsorbent Molecular sieve11.Regenerative ... manufacturers18.Control method Dedicated control cabinet, manual switching, automatic regeneration, manual discharge19. Equipment noise ≤70 decibel20. ... manufacture, testing, acceptance according to GB150 pressure vessels>, and the State Quality and Technical Supervision issued ...