with pivoted discs or flaps

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces > with pivoted closure members > with pivoted discs or flaps

CPC:

Lift valves , i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces ( ; diaphragm valves F16K7/00) > with pivoted closure-members > with pivoted discs or flaps

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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F16K 1/20 with axis of rotation arranged externally of valve member +5 CPC IPC+CPC Available in IPC and CPC
F16K 1/22 with axis of rotation crossing the valve member, e.g. butterfly valves +4 CPC IPC+CPC Available in IPC and CPC