Anh
swing type check valve
Đức
Rueckschlagklappe
Pháp
clapet anti-retour
clapet de non-retour à battant
Rueckschlagklappe /SCIENCE,ENG-MECHANICAL/
[DE] Rueckschlagklappe
[EN] swing type check valve
[FR] clapet anti-retour; clapet de non-retour à battant