vacuum breaker [ back-siphonage preventer | backsiphonage preventer | vacuum release valve | air valve | vacuum breaking valve | vacuum relief valve | backflow preventer ]
reniflard [ brise-vide | antivide | dispositif anti-siphonnement | soupape casse-vide | casse-vide | soupape anti-vide | dispositif anti-vide | reniflard automatique | soupape automatique d'admission | soupape brise-vide | soupape pression-dépression | dispositif anti-refoulement ]