... pump Can exhaust flow liquid,corrosive liquid,high toxic liquid and liquid with particles Quick delivery Pneumatic diaphgagm pumpQBY air operated ... of self-pumping pump,diving pump,shield pump,slurry pump and impurity pump etc.1)There are 8 proudct models:Diameter ... respectively to either a synthetic rubber,fluorine rubber,Teflon,PTFE lining and so on, to meet the needs of different users. Technical ...