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1 Inch Complete Polypropylene Air-Operated Double Diaphragm Pump

Wetted Body Material: Polypropylene + Glass Fiber

Center Air Chamber Material: Polypropylene + Glass Fiber

Pipe Type: Center Flange(F: JIS 5kg/cm²)、Flank Flange(L: ANSI 150R.F.)

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



Liquid inlet & outletANSI 150R.F.⌀110m/m
Air inlet3/8”  PT(BSP)
Air outlet1/2”  PT(BSP)
Lowest pressure0.5 Bar(kgf/cm²) ; 7.25psi
Max pressure7 Bar(kgf/cm²) ; 101.5psi
Working pressure advised1.5~5 Bar(kgf/cm²) ; 21.75psi~72.5psi
Solid limit⌀3mm
Air consumption1080Liter/Per Min.; 38.12 Scfm/Per Min
Inlet lift(deep)6 m-wet ; 3.7m-dry
Assemble size34(L)cm x 26(W)cm x 48(H)cm
Gross Weight7.3 KG
Max flow rate44.32 Gallon/Per Min. ; 168 Liter/Per Min.
Liquids ServiceabilitySuitable for most acidic and alkaline liquids, but not include some strong acidic and alkaline liquids like nitric acid, aqua regia, organic solvents, and petrol. We provide JIS Flange (F) and ANSI Flange (L) for clients to choose from.