Piston ring sealed Roots fan is mainly used for gas, biogas, natural gas pressure with the system resistance changes, has self-adaptability; It has the hard exhaust characteristic of forced air supply, that is, when the pressure changes, the flow rate changes little; The conveying medium does not contain oil; The traffic classification is dense, the coverage is wide, and can be widely used by users; Various sealing forms can meet the needs of different media; Specifications variety, vertical, horizontal, positive pressure, negative pressure; Reasonable structure, reliable operation, long service life, easy operation and maintenance.
