Product
PTFE envelope protection with a resilient insert.
Envelope gaskets pairing a chemically resistant PTFE envelope with a supportive insert for corrosive service where metal contamination must be avoided. Manufactured by Kemicon Industrial LLP in Ahmedabad, India, to ASME B16.20 and other applicable international standards, with full Material Test Reports (MTR) available with every order.
Envelope
PTFE
Insert
CAF / Rubber / other soft inserts
Facing
Full Face / Raised Face
Chemical resistance
Excellent (PTFE contact)
| Envelope | PTFE |
|---|---|
| Insert | CAF / Rubber / other soft inserts |
| Facing | Full Face / Raised Face |
| Chemical resistance | Excellent (PTFE contact) |
| Temperature | Limited by insert material |
| Cut options | Custom to drawing |
Final specifications depend on application conditions. Share your media, pressure, temperature, and flange details for an exact recommendation.
Knowledge base
Engineering-led articles to help you specify and select correctly.
Selection GuideComplete guide to envelope gaskets — PTFE and Teflon envelope construction, slit vs molded types, filler options, chemical and pharma applications, and how to select the right gasket.
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Selection GuideComplete guide to PTFE gaskets — virgin, filled, and expanded PTFE types, chemical resistance, temperature limits, industrial applications, and how to select the right Teflon gasket for your process.
Read articleTalk to our technical team and get the right specification, every time.
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