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Dopag 2K системи EVOMIX DF

Dopag 2K системи EVOMIX DF

Potting of dialysis filters

High precision and reliability for potting of two-part polyurethane

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The production of medical devices always requires particularly high levels of care and accuracy. The production process for dialysis filters is no different. The filters contain a membrane with thousands of hollow fibers, which must be effectively secured in place to allow blood flow in and out of the membrane.

DOPAG has developed a special metering and mixing system for this task: high precision and reliability make the evomix DF system a perfect solution for potting of components with two-part polyurethane. The system is characterised by an interruption-free, continuous supply of material and can be integrated into a fully automated production line. The mixing head of the evomix DF is certified for use in cleanrooms.


  • Equipment


•  Welded frame

•  120 l stainless steel material pressure vessels

•  Material pressure vessels with:

•  Level control
•  Automatic refilling
•  Automatic degassing

•  Gear metering pumps with with overpressure protection

•  Pump drive mechanism: Three-phase asynchronous motors

•  Control or regulation of mixing ratio and discharge rate with flowmeters

•  Static-dynamic mixing system

•  2K valve with separate material supply

•  static mixer tube, plastic

•  Automatic cycle

•  Metering computer with realtime multitasking operating system (64 metering programmes storage capacity)

•  7“ colour touch screen terminal


•  Refilling pumps

•  90 l stainless steel material pressure vessels

•  Material pressure vessels with:

•  Agitation

•  Thin film degassing

•  Nitrogen flushing

•  Membrane pump on pressure vessel outlet

•  Pump drive mechanism: Servomotors

•  Additional wear protection on gear pumps

•  Gear pump with magnetic coupling

•  Mixer element fault monitoring

•  Heating

•  Temperature measurement directly in material flow

•  Stainless steel wetted parts

•  9“ colour touch screen terminal

•  Profibus/Profinet interface

•  Twin model with two metering and mixing systems

Technical specifications  
Material discharge 100 ml - 900 ml / min, depending on mixing ratio and viscosity
Mixing ratio 100 : 20 - 100:80, volumetric
Working pressure 100 bar max.
Mixing system Static-dynamic: 2K valve / Plastic mixer tube
Material supply 90 and 120 l material pressure vessels
Viskosity range 50 - 80.000 mPas, with material pressure vessels
Material characteristics Unfilled, filled, abrasive
Power supply 400/230 VAC 3/N/PE / 50/60 Hz
Maximum air inlet pressure 6 bar max.
Dimensions, W x H x D from 1.250 x 2.050 x 2.600 mm
Weight from 1.500 kg

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Лазар Илчев
Ръководител направление „Дозиращи системи“
0888 005 606