Terms for subject Earth sciences containing check

English	Danish
cushioned check valve	kontraventil med dæmpning
lift type check valve	klapkontraventil
pierced swing type check valve	gennemboret kontraventil af svingtypen
pilot controlled check valve	pilotstyret kontraventil
slow closing check valve	langsomtlukkende ventil
slow opening check valve	langsomtåbnende ventil
spring loaded check valve	fjederbelastet kontraventil
swing type check valve	kontraventil af svingtypen