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Flared-Through vs PFA-Encapsulated Ends

Flared-Through vs PFA-Encapsulated Ends

How to find the right Teflon™ coverage for your chemical process

Article written by FCX Performance, Inc


Flared-Through 

What does flared-through mean? Flared-through refers to the liner of a Teflon™ liner that extends beyond the end of an affixed fitting. The liner, when flared, allows the Teflon™ to curve back and cover the sealing face of the end connection.

What are the benefits of flared-through hoses? The Teflon™ T-62 Resin the hose is lined with makes up the flared sealing surface at the fitting. This helps ensure there is no potential leak path or product entrapment risk at the connection between the hose and crimped fitting. Additionally, flared-through hoses are an economic option offering excellent corrosion protection in both natural and conductive liners.

PFA Encapsulated 

What does PFA-encapsulated mean? PFA-encapsulated refers to the fitting crimped to the end of your Teflon-lined hose. The fitting is completely encapsulated in PFA and machined down to the final desired dimensions.

What are the benefits of PFA-encapsulated fittings? PFA material offers similar chemical compatibility and corrosion resistance to standard Teflon. However, encapsulated fittings feature a thick sealing surface of rigid PFA, as opposed to a thinner liner of flared-through PTFE. This robust connection can besuitable for frequently moved hoses or for applications where rough handling can occur. Similar to flared-through hoses, PFA-encapsulated hoses are offered in both natural and conductive liners and available for use on nearly all of our Resistoflex hose offerings

 


Talk with an Expert

When it comes to Teflon™-lined hoses, you’ve got options. Regardless of your application's situation, FCX Performance, Inc and Crane Resistoflex can help you select the right hose to keep your process moving.

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