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3" Metallic Double Diaphragm Pump
From Lutz Pumps

Air,Operated,Double,Diaphragm,Pumps,2",Non-Metallic,Metallic,Lutz,PumpMetallic Double Diaphragm Pump DMP 3''

Fields of Application:

Paint, latex, ceramic slip, slurries, polymers, tank car fill and empty, etc.


• Absolutely lube-free and non stalling operation
• Can safely run dry
• Self-priming dry or wet
• Few, easily accessible construction parts
• Flow rate up to 255 GPM (965 l/min)


• DMP 3" Aluminium for neutral liquids


  • No risk of pump failure due to poor lubrication

  • No contaminating of the environment or of the product itself by oil vapour

  • Gentle pumping of liquids and pastes

  • Flow rate and pressure can be regulated continuously

  • No dynamic seals

  • Easy maintenance without special tools

  DMP 3" Aluminium
Housing: Aluminium
Diaphragms: Urethane, Santoprene®, Teflon®, Viton®
Valve ball: Geolast®, Santoprene®, Teflon®
Seals: Geolast®, EPDM, Teflon®
Valve seat: Polypropylene, Nylon, EPDM, Viton®
Flow rate: up to 255 GPM
up to 965 l/min
Suction lift:


15 ft
4,5 m

10 ft
3 m

Operating pressure: max. 120 psi
max. 8,2 bar
Temperature: max. 200 °F
max. 93 °C
Solids handling: max. 7/16"
max. Ø 11,1 mm
Suction: 3" BSP female
Discharge: 3" BSP female



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Metex Corporation Limited has been providing superior products and services to the process control, chemical treatment, waste water, industrial and manufacturing industries for over 25 years. It is our goal to continually provide our customers with the best possible equipment, technology, and service.


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