Flux Air-Operated Diaphragm Pumps FDM 07

Flux Air-Operated Diaphragm Pumps FDM 07

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The FLUX name has been synonymous with pump technology for more than 70 years. It was the invention of the electric drum pump that sparked it all off. In the meantime, of course, technology has become more sophisticated. FLUX company innovations have markedly improved working routines for filling and transferring fluids. It is often said that medium-sized companies are the engines of progress.

FLUX is an invention. In the year 1950 the first electric drum pump was introduced. It was named FLUX. Out of this core, the FLUX-GERÄTE GMBH was established. The medium-sized company based in Maulbronn develops and sells innovative solutions in the field of pump technology.

The FDM 07 combined low air consumption with a high flow rate and can be used in a wide range of applications including laundries and car washes where surfactant mixtures are metered, in surface finishing operations in which media are circulated and filtered or where installations and machinery are filled with process additives.

Flux says contaminated media containing solids of up to 1.6 mm in size can be pumped without any problems. The suction and pressure connections of the new design each have a hybrid internal thread as well as an external thread which allows easy installation of the pump into existing processes and pipes.

The design ensures completely oil-free running so no servicing unit is necessary while an integrated silencer minimizes noise.

The FDM 07 will be showcased at the German trade fairs Hannover Messe from April 13-17 and the European Coatings Show from April 21-23.

FLUX air-operated diaphragm pumps are genuine allrounders for the safe reliable and careful (no shearing) transfer of thin to high viscosity products, even with solids in suspension, as well as abrasive, highly flammable or aerated liquids. Each pump model is available in different versions because of a great variety of possible material combinations of the wetted component parts.

FLUX air-operated diaphragm pumps are powered by compressed air into the air inlet which in turn directs the air to a diaphragm which separates the air from the liquid section. The diaphragm is pressurized which forces the liquid out of the pump discharge. While this is happening the other diaphragm is de-pressurizing and sucking the liquid into the inlet the cycle is then repeated causing a constant flow through the pump unit via the ball valves. The flow is always in through the bottom of the pump inlet/suction and out of the top pump discharge.

Air-Operated Diaphragm Pumps FDM 07

The air-operated diaphragm pump FDM is available in plastic and a metal version. The design ensures a completely oil-free operation. In addition, the pump is available as a version for increased pressure (FDMH 25) and for use in hazardous areas.

The FLUX air-operated diaphragm pump FDM 07 in injection-molded version is self-priming and protected against dry running. The pump is distinguished for its versatility and can be used for pumping low to high-viscosity media with solid particles, abrasive media, highly flammable media or liquids with high gas content.


  • Especially energy efficient due to low air consumption
  • Connection suction and pressure side each with internal and external threads
  • 100 % start-up guarantee
  • Solid matter sizes up to max. 1.6 mm
  • Alternative connection position for suction- and pressure side


  • Oil-free operation
  • Self-priming
  • Integrated silencer
  • Versions available for use in hazardous areas


  • Aggressive media,
  • Abrasive media,
  • Flammable media,
  • High viscosity media


  • Flow rate: max. 20 l/min1
  • Flow pressure: max. 8,6 bar
  • Operating pressure: min. 3 bar – max. 8,6 bar
  • Suction head: max. 4,5 m1
  • Suction head product-filled: max. 9,5 m1
  • Size of solids: max. 1,6 mm
  • Viscosity: min. 1 mPas – max. 15000 mPas2
  • Housing Materials: Polypropylene, Acetal conductive
  • Media / Fluids: Highly flammable media, Viscous media, Abrasive media, Aggressive media
  • Connection pressure side: 3/4 NPTF
  • Connection suction side: 1/4 NPTF, G 1/4

Special features:
High energy efficiency due to low air consumption
Suction and discharge connection with female and male threads
Also available in Ex version
100 % stall-free
Solid size up to max. 1,6 mm
Adapter plate is available to replace the FDM 06 and other models by FDM 07
Alternative connection positions for suction and discharge side
Integrated sound absorber
Oil-free operation
Self priming

Technical data and weight
Delivery rate max. 20 l/min*
Operating pressure max. 8,6 bar
Suction head max. (liquid-filled) 9,5 m*
Suction head, dry 4,5 m*
Viscosity max. just capable of flowing
Max. size of solids 1,6 mm
Air consumption 10,3 m³/h at 6,9 bar
Weight depends on material 1,3 kg , 1,6 kg
Available materials
The pump housing, ball seat PP, AC (Ex)
Diaphragm Santoprene, PTFE
Seal material EPDM, PTFE
Connection suction and discharge side
Female thread (hybrid) ¼ NPTF, G ¼
Male thread ¾ NPTF
Connection air
Inlet ¼ NPTF
Connection with integrated
sound absorber ¼ NPTF

Download Data Sheet: Air-Operated Diaphragm Pumps FDM 07

Ref: flux-pumps.com

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