Envelope Gaskets From Tenglong

General Description:
PTFE envelope gaskets for tank container applications combine the chemical inertness and hygienic qualities of 100% virgin PTFE with the mechanical properties of the compressed non asbestos fiber sheet.


These gaskets are designed for flanged joints handling aggressive fluid media that would swiftly destory the integrity of other mateiral and for duties with foodstuffs where cleanliness and non-contamination are essential

Service Capabilities:

Tank working pressure: 4.4bar

Esaily meets tank test pressure: 6.0bar

Maximum temperature: 250℃

Technical Datas:




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