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PCE
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DIFF Subgroup
F16L 17/06

with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges

Introduced: September 1968

Full Title

Joints with packing adapted to sealing by fluid pressure > with sealing rings arranged between the end surfaces of the pipes or flanges or arranged in recesses in the pipe ends or flanges

Of 3 combined children, 2 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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  • F16L 17/063 CPC only CPC only
  • F16L 17/08 Metal sealing rings since 1990 IPC+CPC Available in IPC and CPC