Li-valve tsa heke ea seretse ke heke e tiileng, kutu e ntseng e phahama, li-valve tsa heke tse nang le litiiso tse tsitsitseng, li-valve tsena li entsoe ho latela maemo a API 6A.E sebelisoa haholo-holo bakeng sa seretse, samente.fracturing le tšebeletso ea metsi 'me e bonolo ho sebetsa le ho e hlokomela habonolo.