Diaphragm pumps

Air-operated diaphragm pump

An air-operated diaphragm pump

Example of use

Dosing, conveying, emptying and pumping over

Specifications air-operated diaphragm pump

Delivery rate 0 to 49,200 l/h
Differential pressure up to 16 bar
Viscosity range from approx. 0.3 to approx. 60,000 mPas
Self-priming up to 8 mWS
Temperature range -20 to 100 °C

Advantages

Gentle and low shear
Dry-run safe
The flow rate is adjustable in proportion to the air flow rate
Simple pump principle
No shaft seal

Other design variants

Pump with EHEDG and/or ATEX certificate
Pump in stainless steel, PE, PTFE or gray cast iron design
Pump with control unit in VA or PP
Pump heatable / coolable
Pump independent of position
Pump with stroke counter

Nature of pumped media

Up to abrasive, corrosive, gaseous and particle-laden media

Typical pumped media and applications

Chemistry and surface technology

Cooling lubricants
Solvent
Nitric acid
Acids and alkalis
Non-stick
Caustic soda

Industry

Milk of lime
Latex emulsions
Shuttering oils

Waste water, recycling and the environment

Iron-III-Chloride
Oil
Solvent
Chemicals

Pharmaceuticals, fine chemicals & cosmetics

Lacquers
Latex
Creams
Emulsions
Cell suspensions
Adhesives

Construction and transportation

Construction chemicals

Agriculture and biogas

Fertilizer
Pesticides
Water for irrigation

Downloads

Tapflo air operated diaphragm pump brochure (EN)