Air operated double diaphragm pumps not only can exhaust the flow liquid, but also convey some uneasy flowed medium with the merits of self-pumping pump, diving pump, shield pump, slurry pump and impurity pump etc. This series of diaphragm pumps are the model.They are functioned to take out and suck in various corrosive liquid containing granules,viscous,volatile,inflammabale,explosive or poisonous liguid,porcelain slurry,mashed rfuit,flue,the reclamation of residual oil in tanker,temporary reversionof tanker,etc. The componentsin contact with flow are made of stainless steel,aluminium,cast irron andengineering plastics,while diaphragmmay be NBR,viton,neoprene or ptfe. Applicable industries,It could be widely used in chemical industry, spray, water treatment industry and so on. By choosing the right diaphragm material and some other parts, it can convey acid, alkali, strong organic solvents and high viscous liquid., Manufacturer: TRDEWR