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2 Inch Aluminum Alloy Air-Operated Double Diaphragm Pump

Wetted Body Material: Aluminum Alloy

Center Air Chamber Material: Aluminum Alloy

Diaphragm material: Teflon (TFM), Polyethylene(UPE), Santoprene (STP)

It is suitable for the transportation of benzene, solvent, paint, glue, resin, oil, pulp, mud, sludge, casting fluid, methanol, and neutral liquid, but not suitable for acid, alkali, seawater...

Diaphragm Specification:

MaterialTemperature Range
UPE (U)-5  to  +60°C
TFM (T)-60  to  +180°C
Stantoprene ® (O)-10  to  + 80°C



Liquid inlet & outlet2”  PT(BSP)
Air inlet1/2”  PT(BSP)
Air outlet1”  PT(BSP)
Lowest pressure1.2 Bar(kgf/cm²) ; 17.4psi
Max pressure8.3 Bar(kgf/cm²) ; 120psi
Working pressure advised2~5.5 Bar(kgf/cm²) ; 29psi~79.75psi
Solid limit⌀6.4~8mm
Air consumption3600Liter/Per Min.; 127.08 Scfm/Per Min
Inlet lift(deep)6 m-wet;3.7m-dry
Assemble size45(L)cm x 38(W)cm x 59(H)cm
Gross Weight31.5 KG
Max flow rate147.75 Gallon/Per Min. ; 560 Liter/Per Min.
Liquids ServiceabilitySuitable for neutral liquids like neutralized wastewater, sludge, paint for coating, paint, ink, methanol, mud, and resin of low viscosity in the big tank. It can also be used in transferring organic solvents, petroleum, and petrol with the plastic diaphragm. This type can be used with a sludge dewatering machine and frame filter machine. Their working efficiency and life are better than other types of pumps.



ModelOperating ManualPump Exploded View2D Dimensional Drawings3D Dimensional Drawings