Branch units, e.g. made in one piece, welded, riveted

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Branching pipes; Joining pipes to walls > Branch units, e.g. made in one piece, welded, riveted

CPC:

Branching pipes; Joining pipes to walls (F16L39/00 takes precedence ) > Branch units, e.g. made in one piece, welded, riveted

CPC subdivides this area 6x more granularly than IPC with 5 additional codes.

5 codes are CPC-only extensions.

IPC defines codes here since 1990.

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F16L 41/021 CPC only CPC only
F16L 41/023 CPC only CPC only
F16L 41/025 CPC only CPC only
F16L 41/026 CPC only CPC only
F16L 41/028 CPC only CPC only
F16L 41/03 comprising junction pieces for four or more pipe members since 1990 IPC+CPC Available in IPC and CPC