Li-valve tsa heke ea thipa li sebelisoa haholo maemong a khatello e tlase joalo ka makhasi le pampiri, mashala, indasteri ea lik'hemik'hale le indasteri ea lijo.NSEN e ka fana ka uni-directional , bi-directional , litšepe tse lutseng, li lutseng ka mokhoa o tsitsitseng le mofuta oa li-conduit.Rea u amohela ho ikopanya le rona ho fumana tlhahiso kapa ho etsa valve bakeng sa morero oa hau.