failed hygienic seal anatomy

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In understanding how a hygienic seal works, it’s becomes important sometimes to understand why a hygienic seal fails. Over tightening or under tightening a seal will cause serious problems to a sanitary system.

An over-tightened gasket will:
• Extrude into the I.D. obstructing flow and collect soil
• Extrude beyond the O.D.
• Crack, tear and rip and hold bacteria
• Become permanently deformed jeopardizing sealing surface and product integrity