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
F16K41/00—Spindle sealings
F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
F16K41/12—Spindle sealings with diaphragm, e.g. shaped as bellows or tube with approximately flat diaphragm
Dispositif de réglage automatique de la circulation d'un fluide dans une canalisation, en fonction de la pression d'un autre fluide, notamment applicable à une installation frigorifique.