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DATE: 2021-12-04
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Double-acting Piston Seals
Date:2016-01-13 15:27:05    Browsed:233    Source:http://www.othchina.net

  Double-acting Piston Seals are capable of sealing Dynamic pressure from both sides. They are symmetrical and their sealing functions are identical in both directions.

  Seal House offers a range of differing qualities and designs of double-acting Piston Seals.

  Double-acting Piston Seals could use a thermoplastic elastomer or filled PTFE Cap, energised by a nitrile (NBR) O-ring, in a composite or co-axial arrangement.

  For higher pressures, a T-shaped NBR energiser is often used in combination with a sealing cap. Hard, engineering-plastic, anti-extrusion rings are then fitted.

  Seal House also stocks double-acting Piston Seals with Wear Rings. These generally have Nitrile (NBR) or NBR/ fabric-sealing elements, thermoplastic elastomer support rings and Acetal (POM) bearings. These can include One-piece and Two-piece Piston Seals.

  One-piece Piston Seal: The seal stretches on and the Wear Rings are split. The seal widths will then identify the particular seal type. The most common type is the DAS Seal.

  Two-piece Piston: The piston is split so that the seal and the Wear Rings can be fitted. The Wear Rings either snap onto the sealing element or are L-shaped.

  More details for hydraulic seal, pls click http://www.othchina.net, or email to oth01@othchina.com.

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