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What kind of sealing does stainless steel sanitary pressure manhole use

What kind of sealing does stainless steel sanitary pressure manhole use

The other day a customer consultation stainless steel sanitary atmospheric manhole with what is a good seal, communicate with customers in detail using purpose and requirements, and understand the use of medium, finally learned that customers want stainless steel on atmospheric tank manhole seal with silicon rubber sealing ring, the sealing ring is used in great quantities, not only affordable, sealed performance is better.


What sealing ring is used for the sanitary manhole of stainless steel under normal pressure is related to the medium.

In general, the most commonly used silicon rubber tight silicon ring has excellent sealing performance and is waterproof without leakage.Can be used almost always under 150 ° and the advantages of no performance change.
Fluorine rubber seal ring has excellent flame retardant, air tightness, high temperature resistance, oil resistance, solvent resistance, fire resistance, chemical resistance and weather resistance properties, usually used in food, chemical, wine, biological and other fields.Between the two,
Epdm sealing ring: has good weather resistance, ozone resistance, water resistance and chemical resistance.Can be used for alcohol and ketone, but also for high temperature water vapor environment of the seal.