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1-1/2 Inch Stainless Steel 316 Air-Operated Double Diaphragm Pump

Wetted Body Material: Stainless Steel 316

Center Air Chamber Material: Aluminum Alloy

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

It is suitable for the transportation of glycol, alcohol, sodium hydroxide, nitric acid, carbonic acid, fruit acid, enzyme, caustic soda, ammonia, asphalt, and some acid & alkali liquid, but not suitable for hydrochloric acid, dilute sulfuric acid...

Diaphragm Specification:

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



Liquid inlet & outlet1-1/2”  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⌀4.8~6mm
Air consumption2400Liter/Per Min.;84.72 Scfm/Per Min
Inlet lift(deep)6 m-wet;3.7m-dry
Assemble size41(L)cm x 31(W)cm x 53(H)cm
Gross Weight36.5 KG
Max flow rate89.7 Gallon/Per Min. ; 340 Liter/Per Min.
Liquids ServiceabilitySuitable for almost all alkaline liquids and most acidic liquids, such as ethylene glycol, ethanol, sodium hydroxide, nitric acid, carbonic acid, fruit acids, enzymes, caustic soda, ammonia, and asphalt. It also suitable wines and food sauces. Transport of some edible raw materials such as syrup, etc., but must be cleaned regularly. But it is not suitable for some special liquids such as dilute sulfuric acid, hydrochloric acid, hydrogen bromide, aqua regia, and chlorine. It can be used in the pharmaceutical industry, food industry, chemical industry, etc.