Lutz Pumpen | Deutschland

Double diaphragm pump 3/8” made of PA (PTFE version)

Werkstoffe Membranen, Ventilkugeln, Dichtungen:

  • 5706-140
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Suitable for easily flammable liquids Application examples: Suitable for chemical...more
Werkstoffe PTFE, PTFE, PTFE

Suitable for easily flammable liquids

Application examples:
Suitable for chemical recirculation and feed, liquids with solid particles, e.g. paints and lacquers, galvanic fluids, etc.


  • Absolutely free of oil 
  • Absolutely safe to run dry
  • Self-priming, even dry
  • Centre block made of corrosion-free plastic
  • Just a few components, easily accessible
  • Flow rate up to 34 l/min
  • Explosion-proof version approved according to ATEX Directive 2014/34/EU, Category 2


  • No failure of the pump due to lack of lubrication
  • No contamination of the environment or of the product itself by oil vapour
  • Gentle pumping of thick-bodied, contaminated and abrasive liquids
  • No direct chemical attack of the air-conducting parts in case of membrane rupture
  • Easy maintenance without special tools
Housing Material: PA (polyamide)
Explosion protection: explosion-proof
PURE version: without PURE version
Size: 3/8"
Werkstoffe DMP 3/8" NTC PA/PTFE (explosionsgeschützt) Gehäuse: PA...
Werkstoffe DMP 3/8" NTC PA/PTFE (explosionsgeschützt)
Gehäuse: PA
Membrane: PTFE
Ventilkugel: PTFE
Dichtung: PTFE
max. 66 °C
Lufteinlass: 1/4" NPT IG
(1/2" BSP IG)*
Luftauslass: 3/8" NPT IG
Saugstutzen: 3/8" BSP IG
Druckstutzen: 3/8" BSP IG
Gewicht: 2,3 kg
Fördermenge: max. 34 l/min.
Saughöhe trocken: max. 3 m
Betriebsdruck: max. 8,2 bar
Feststoffe bis: max. Ø 1,6 mm 

* bei Verwendung des Kugelhahns (nicht im Lieferumfang enthalten) 


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