with valve members that, on opening of the valve, are initially lifted from the seat and next are turned around an axis parallel to the seat

Introduced: September 1968

Last revised: January 2006

Full Title

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 valve members that, on opening of the valve, are initially lifted from the seat and next are turned around an axis parallel to the seat

Classification Context

Section:: MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Class:: ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
Subclass:: VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING

1 direct subcode

Child Classifications

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F16K 1/26 Shape or arrangement of the sealing