PTFE Enveloped Gaskets
 The popular enveloped gaskets are either V shaped, or U shaped. 
The filler materials can be suited to the application. Asbestos free materials and rubber are the most common. For glass flanges and reactors (Pfaudler, etc) a stainless steel corrugated insert is added to the filler. 

E.T.M - Contact details
Email Address etm_ltd@netvision.net.il
Website http://etem.co.il
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