PTFE packing

PTFE packing is a polytetrafluoroethylene-based compression-packing family installed as compressed rings in a stuffing box; it is not the same identity as a PTFE sheet gasket. Fibres, fillers, lubricants, braid and thermal or chemical behaviour can vary. Selection must use the specific product's equipment motion, medium, speed, pressure, temperature and installation guidance.

Application and duty

Stuffing-box sealing with a PTFE packing construction selected for actual equipment conditions

Flanged-joint sealing matched to facing, pressure, temperature and fluid

A gasket must match flange facing, class, fluid, temperature, thermal cycling and bolt load; nominal size alone is insufficient.

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