Air-Eliminator Dispenser Vane Pump is also called gasoline uni-pump which is one of the device that provide pressure oil for fuel oiling machine,continually separate and eliminate the gas in tested gasoline,kerosene,diesel oil and other mixed liquid.It is the combination of pressure regulating type single-action vane pump and whirl type oil-gas separator. Features: 1. Reasonable design and compact structure; body case is made of aluminum alloy, sprayed with flash silver lacquer, portable and beautiful. 2. Durable pump body of HT200 3. Vane is made of hard graphite with advantages of self-lubricated, good wear resistance and long using life. 4. Sealing materials is made of Chemigum and fluoroelastomer with advantages of oil resistant, cold resistant and reliable seal. 5. Excellent processing and low noise. 6. Oil-gas forced separation and strong capacity of oil-gas separation. 7. High vacuum degree and suction lift. 8. Reasonable design of structure and large theoretic displacement. 9. Models A and C inlet: 1 1/2", outlet: 3/4"; Models B and D inlet: 2", outlet: 1"; and many models for your option. 10. Models A and B are directly flanged with flow meter while Models C and D are connected with flow meter via S pipe. It is of wide applicability.