Metering Systems

Metering Systems
Spin Finish Gear Metering Pumps - MarFin
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The MarFin spin finish pumps meter spin finish very precise. Especially for the fast spinning process the use of our MarFin pumps to apply liquids like antistatic finish, adhesive additives or other additives, can avoid fibre breaks or electrostatic charging. The fibres get a better elasticity as well as better properties for the further processing. An exact metering of the finish for each product stream is assured. Furthermore MarFin pumps currently find a lot more applications in different industries to meter for example low viscous liquids like water, organic solvents, parfums and oils.

The product range for gear pumps can not be completey described due to the huge diversity of designs, as well as the application fields. Please contact us in case of requirement. We are pleased to provide detailed consultation and optimal solutions for you.

  • Technical Data
  • Material
  • Drive Options
  • Options
dimensions mm 45x66
3Rad-Design		 45x100
5Rad-Design
flow cc/rev 0,015-2,4 0,015-2,4
number of outlets 1-8 4-32
counter pressure bar (max)
in special design bar (max)		 0,2
5		 0,2
5

 

 

Material Field of application Admissible operating temperature max. °C Admissible cleaning temperature max. °C

N19
high chromium alloyed stainless steel, additions of molybdenum and vanadium
  • optimal combination of resistance to wear and corrosion
  • for use with chemically aggressive media
 180°C 200°C

N33
high chromium alloyed stainless
steel, additions of nickel, molybdenum and manganese
  • high degree of hardness with excellent corrosion resistance
  • for highly stressed components
 180°C 200°C


Coating
 

Coating technologies take a significant key position in the development of new products. The various coating technologies enlarge the application possibilities of the used base materials. Furthermore, a coating reduces friction, wear and corrosion. In principle, all the named materials can be coated depending on the specification.
 

DLC-Coating

Diamond-Like Carbon (DLC) improves the properties:

  • high surface hardness
  • high wear protection
  • smaller coefficient of friction
  • better corrosion reduction to agressive media
  • higher chemical resistance / stability
  • non-stick effect (reduced adhesion of polymers and other materials)
  • high temperature firmness to 250°C
  • excellent accuracy to size (no change of the Mahr / Feinpruef specific high discharge accurancies)
  • high economic efficiency through longer endurance and improvement of the technological properties

DLC- coatings are biocompatible and facilitate also the use in the food industry and in the medical field.

The pump arbor are available in following types:

  • carrier shaft


Gear pump with motor

  • Base frame
     
  • Coupling
    • curved tooth coupling
    • magnetic coupling
  • Motor
    • asynchronous gear motor
    • servomotor / servo gear motor
    • synchronous gear motor


The drive units are designed according to the operating conditions.

Sealing systems for the gear pumps

  • stuffing box seal
  • rotary shaft seal
  • magnetic coupling


    Atex Directive II2Gc

A version according to ATEX directive is available for the pump, as well as for the drive.


Heating or  cooling for the gear pumps

Heating or cooling can be provided electrically, as well as by the thermal fluid.