(PDF) Aseptic Transfer Systems Into and Out of Barrier ...
2021-7-3 · Lens (Style 394) A lens type gasket is a line contact seal for use in high pressure piping systems and in pressure vessel heads. The lens cross section is a spherical gasket surface and requires special machining on the flanges. These gaskets will seat with a small bolt load since the contact area is very small and gasket seating pressures are ...
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