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Contato responsável
igus® do Brasil Ltda

Rua Antônio Christi, Nº 611

Parque Industrial III - FAZGRAN

13213-183 – Jundiaí-SP

+55 11 3531 4487
+55 11 3531 4488
BR(PT)

Chemical-resistant special bearing in beverage filling valve

Profile

As a manufacturer of filling and packaging systems for the beverage, food, and non-food industries, KHS GmbH is one of the market leaders in the sector. The systems cover all beverage production processes, from PET bottle production, filling, labelling, packaging, and palletising to inspection and complete cleaning.
Plain bearing in KHS filling valve Axially movable centring of the bellows (white) by iglidur special plain bearing (red) in the filling valve

Problem

KHS' filling line for beverages containing CO2 uses a patented filling valve in which each PET bottle is pressed on by the product pressure. The bellows, which generates the contact pressure, must be able to move axially without contact in the hole surrounding it. The piston on which the bellows presses must also move axially in the hole, regardless of the momentary bellows length. For the axially movable centring of the bellows, the designers were looking for a special bearing that could withstand operating temperatures of up to 140°C and was resistant to all cleaning agents used in the beverage industry.

Solution

The perfect solution was found at igus: a special-shaped plain bearing made of iglidur X material, which is universally resistant to chemicals and exhibits very good wear resistance at high temperatures. It is attached to the bellows with a snap-on connection and slides in a hole, whereby axial relief grooves on the outer diameter of the bearing prevent the pumping action. The bearing convinces all along the line: in the test with 50 million strokes, no measurable wear could be detected.
Find out more about iglidur X plain bearings
Filling line from KHS
Filling line from KHS
Filling line from KHS

Further information

Products for hydraulic & pneumatic systems

Maintenance-free bearing technology for valves, pumps, meters and consumers
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An overview of all the important information relating to our iglidur plain bearings: standard and special parts, new products, laboratory tests and so on.
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