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Publication of FR730073ApublicationCriticalpatent/FR730073A/fr
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
F16K39/00—Devices for relieving the pressure on the sealing faces
F16K39/02—Devices for relieving the pressure on the sealing faces for lift valves
F16K39/022—Devices for relieving the pressure on the sealing faces for lift valves using balancing surfaces
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Mechanical Engineering
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FR730073D1931-12-081931-12-08Robinet à clapets différentiels pour fluides sous pression
ExpiredFR730073A
(fr)