F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
F16K17/42—Valves preventing penetration of air in the outlet of containers for liquids
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
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Mechanical Engineering
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Self-Closing Valves And Venting Or Aerating Valves
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