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Lens ring flange joints and how they are machined

Posted by Alan Hillier on Mar 6, 2018 4:03:37 PM

 

The Lens ring type of flange joint is used to create a seal in high temperature and high pressure piping systems. This joint differs from the standard raised face flange joint (which has a ‘flat’ sealing face), by having a sealing face angled at 20° down towards the centre of the bore. This type of joint is not used on very large flanges, with typical outside diameters of the lens ring gaskets ranging from 20mm up to 385mm. 

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Topics: machining applications, lens ring

   

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