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1/2 Inch Polypropylene Air-Operated Double Diaphragm Pump

Wetted Body Material: Polypropylene + Glass Fiber

Center Air Chamber Material: Aluminum Alloy

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

It is suitable for the transportation of most acid & alkali liquids, but not suitable for nitric acid, aqua regia, benzene solvents, and gasoline..."

Diaphragm Specification:

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



Liquid inlet & outlet1/2”  PT(BSP)
Air inlet1/4”  PT(BSP)
Air outlet1/4”  PT(BSP)
Lowest pressure0.8 Bar(kgf/cm²) ; 11.6psi
Max pressure8.3 Bar(kgf/cm²) ; 120psi
Working pressure advised1.5~5 Bar(kgf/cm²) ; 21.75psi~72.5psi
Solid limit⌀2mm
Air consumption360Liter/Per Min.;12.71 Scfm/Per Min
Inlet lift(deep)6 m-wet;3.7m-dry
Assemble size29(L)cm x 20(W)cm x 30(H)cm
Gross Weight5 KG
Max flow rate11.08 Gallon/Per Min. ; 42 Liter/Per Min.
Liquids ServiceabilitySuitable for most of acidic and alkaline liquids, but not include some strong acidic and alkaline liquids like nitric acid, aqua regia, organic solvents and petrol.