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Pumps for the graphic industry

The graphic industry is one of the leading users of Debem pumps. They can be found supplying printing machines, transferring inks and solvents, pumping oily inks, supplying lamination machines with adhesives or inks for rigid or flexible packaging with corrugated cardboard, supplying rotary machines, in flexography and transferring water and/or solvent-based inks. Air-operated double diaphragm ink pumps are used in plants for batches formulation or on newspaper printers.

DEBEM PUMPS

Debem has the right pump for your needs

Boxer 15
Boxer 100
boxer150
Boxer 150
Boxer 50
Boxer 7
Boxer 81
Boxer 90
013---MICROBOXER_PP
Microboxer
MINIBOXER_AISI
Miniboxer
Cubic 15
MIDGETBOX_PP_APRILE
Midgetbox
SBOXER-100_EXT_PP-570x428
Sboxer 100
SBOXER-50
Sboxer 50
050-SCUBIC-15_PP-570x428
Scubic
052-SMICRO_EXT_PP-570x428
Smicro
SMINI_EXT_AISI-570x428
Smini
GRAPHIC INDUSTRY

The use of DEBEM pumps in the graphics industry

Fluid inks are used on rotary machines for rotogravure and flexography printing. The applicative parts of these machines consist of two or more cylinders and a lower tank, called an inkwell. The pump, positioned at the side of the machine or immediately above the ink container (usually a 25-litre drum), picks up the ink and transfers it to the inkwell.

The characteristics required of diaphragm ink pump used in the graphic industry are: a constant flow rate without sprays, easy adjustment and silent operation; in addition they must not generate foam. Flexography is usually used to print:

  • Decorative wrapping paper
  • Reel wrappings
  • Paper and plastic bags
  • Wallpaper
  • Paper for corrugated cardboard boxes

The following inks are used:

  • Solvent-based (ethyl acetate, butanone, acetone) for all supports apart from paper and cardboard.
  • Water-based. For paper and cardboard

They both have very low viscosity, between 200 and 500 centipoise.

GRAPHIC INDUSTRY

Application advantages in the graphic industry sector

The diaphragm ink pumps used for these applications are the Boxer 15 or the Boxer 50, or even the Boxer 81 and Boxer 100 for rotogravure machines, where the consumption of ink is much higher. For many years now air-operated double diaphragm ink pumps have slowly replaced centrifugal electric pumps in this sector, with the following advantages:

  • Simple to install
  • Inherent safety due to a lack of electricity (often required in ATEX 1-2)
  • Excellent regulation of flow rate and pressure, without increasing the temperature of the product being transferred.
  • Able to transfer delicate products
  • Low cost
  • Product mixing

There are other interesting applications in the same sector, for example on roller coaters and lamination machines where the products are more viscous and adhesive and therefore the loss caused by the viscosity will have to be considered very carefully.

GRAPHIC INDUSTRY

Summary of applications

  • Ethyl acetate
  • Acetone
  • Supplying lamination machines with adhesives or inks for rigid or flexible packaging with corrugated cardboard
  • Supplying printing machines
  • Supplying rotary machines
  • Plants for batches formulation
  • Flexography
  • Lamination machines
  • Machines for printing newspapers
  • Rotary machines
  • Roller coaters
  • MEK
  • Transferring water-based ink
  • Transferring solvent-based ink
  • Pumping oily inks
  • Rotogravure printing
  • Transferring inks and solvents
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