check valve [ reflux valve | nonreturn valve | stop-and-check valve | non return valve | non-return valve | one-way valve | non-return check-valve ]
clapet de non-retour [ clapet anti-retour | clapet antiretour | clapet de retenue | soupape de non-retour | soupape de retenue | clapet anti-rabattement | soupape unidirectionnelle ]