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What are the types of Combination Seals that DSH Seals can offer?
Update:2015-09-12
Glyd Ring is a very effective and reliable low friction seal. It comprises a PTFE ring and NBR O Ring. The Glyd Ring ensures a good static sealing and allows the lubricating hydrodynamic oil film to build understand the seal in reciprocating applications.
Glyd Ring is a very effective in sealing heavy pressures up to 60 MPa and for high surface speeds up to 15 m/s in reciprocating application. The temperature range can be -45 °C to 200 °C depending upon the material used for the O Ring. The sealing ring is made of carbon filled PTFE or bronze filled PTFE.
Step Seal is a special PTFE ring with a NBR O Ring. Step Seal can be used in high pressures up to 60 MPa and for reciprocating motion up to 15 m/s. Temperature range is -45° C to +200° C (depending on the components used for O-ring). Since the PTFE is filled with Bronze or Carbon, the abrasion resistance property is very high.
Lei-ring is made of a NBR O Ring and Y-shaped Ring, on its own deformation of the sealing surface of high initial contact stress, prevent stress-leakage of liquid.
DSH Seals can manufacture Glyd Ring, Step Seal, Lei-ring and other types of products, kindly contact us for more details.