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
F16K27/00—Construction of housing; Use of materials therefor
F16K27/02—Construction of housing; Use of materials therefor of lift valves
About de raccordement destine a etre monte sur un reservoir de chasse d'eau, presentant une zone en matiere plastique et une deuxieme zone, filetee, en un materiau metallique