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Valve packing identification
Posted by: (---.as43234.net)
Date: December 16, 2013 12:10PM

Anone any idea what makeis the packing in the attache dphoto - its about 2.5mm square, white PTFE wrapped around a core, and does not come unravelled when cut (like most of the packing I have to hand - making it hard to repack valves!)






Attachments: IMG_9713 compressed for web.jpg (32kB)  
Re: Valve packing identification
Posted by: Tim Senior (---.range217-43.btcentralplus.com)
Date: December 16, 2013 02:07PM


I would personally be very wary of of using PTFE packing with superheated steam. It tends to break down.

Re: Valve packing identification
Posted by: (---.armstrong.com)
Date: December 17, 2013 08:15AM

I've used a John Crane PTFE packing for every valve and pump that's not near steam. See [www.johncrane.com] . It doesn't have a core, but it only frays slightly on the ends when cut with a utility knife.

Kelly



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