V-Packings
3Pages

Catalog excerpts

Benefits • No stick-slip even with low sliding speeds • Extremely low breakaway forces even after prolonged downtimes • Low wear and long service life • Good sealing performance due to several sequentially located sealing edges • High operating reliability thanks to multicomponent sealing kit • Simple design of installation spaces • Very good chemical and thermal resistance • Extensive product line tailored to field application requirements • No special maintenance requirements -packings and V-packing kits are primarily used for sealing rods subjected to axial motion. A packing kit consists of the number of V-packings needed for the particular application requirements as well as a base and end ring. In case there is a risk of gap extrusion under high pressure loads, the base and end rings may also be made of metallic materials. To achieve pre-defined sealing forces and adjustment of the packing in case of thermal expansion, installation of an axially acting spring (compression spring or cup spring) is necessary.

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Fields of Application • Equipment such as plunger piston pumps, metering pumps, hydraulic cylinders, control and shut-off fittings and valve stems • Industrial sectors, such as chemical, petrochemical, flue gas purification, pharmaceutical, food processing, painting, steel, fittings HN 7001 and HN 7002 Sliding speed Temperature range HN 7001 Service pressure Pre-Loading by Axially Acting Spring Based on experience, the specific surface compression of both springs should be between 0.2 and 0.4 N/mm2. With the slightly stiffer type HN 7001 it may be necessary to increase preload to 0.8...

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V-Packings 3Pages

Catalog excerpts

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V-Packings
3Pages