DIFF Subgroup
F16K 11/04 comprising only lift valves
Introduced: September 1968
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 all movable sealing faces moving as one unit > comprising only lift valves
CPC:
Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves > with all movable sealing faces moving as one unit > comprising only lift valves
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
IPC defines codes here since 1985.
Child Classifications
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- F16K 11/044 with movable valve members positioned between valve seats since 1985 +1 CPC IPC+CPC Available in IPC and CPC
- F16K 11/048 with valve seats positioned between movable valve members since 1985 IPC+CPC Available in IPC and CPC
- F16K 11/052 with pivoted closure members, e.g. butterfly valves since 1985 +1 CPC IPC+CPC Available in IPC and CPC