Anh
orifice plate
Đức
Blendenscheibe
Pháp
diaphragme
plaque perforée
plaque à orifice
diaphragme,plaque perforée,plaque à orifice /INDUSTRY-CHEM/
[DE] Blendenscheibe
[EN] orifice plate
[FR] diaphragme; plaque perforée; plaque à orifice