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Pulp and paper

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The paper industry is a highly sophisticated industry in terms of technology, in which it is necessary to use machinery that is compliant with very strict requirements. Paper machines work at very high speeds, and at very high pressures and temperatures.

To make the paper, cellulose fibres are mixed with water, which gives rise to paste-like mixtures and products. For this reason special assemblies can be recommended:
– API plan with a double cartridge and tank (API 52, 54) to ensure the permanent lubrication of the contact surfaces.

– External assembly to prevent the blocking of springs and make sure they are not blocked by paper or pulp paste.

– Internal assembly, with metal wave spring seals that, due to the geometry of their bellows, have a self-cleaning effect, thus preventing them from becoming blocked.

If, in addition, we consider that mechanical seals are in contact with different chemicals (agents for whitening fibres, pigments, thickeners, etc.), it is obvious that they must have a special design and combinations of materials that are resistant to these parameters.

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