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PCE
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DIFF Subgroup
F16K 11/20

operated by separate actuating members (with one plug turning in another F16K11/12)

Introduced: September 1968

Title

Titles differ between systems:

IPC: operated by separate actuating members

CPC: operated by separate actuating members (with one plug turning in another F16K11/12)

Full Title

Full titles differ between systems:

IPC:

Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves; Arrangement of valves and flow lines specially adapted for mixing fluid > with two or more closure members not moving as a unit > operated by separate actuating members

CPC:

Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves > with two or more closure members not moving as a unit > operated by separate actuating members (with one plug turning in another F16K11/12)

CPC subdivides this area 3x more granularly than IPC with 3 additional codes.

3 codes are CPC-only extensions.

Child Classifications

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  • F16K 11/202 CPC only CPC only
  • F16K 11/205 CPC only CPC only
  • F16K 11/207 CPC only CPC only
  • F16K 11/22 with an actuating member for each valve, e.g. interconnected to form multiple-way valves IPC+CPC Available in IPC and CPC
  • F16K 11/24 with an electromagnetically-operated valve, e.g. for washing machines IPC+CPC Available in IPC and CPC