I-valve yokuhlola iwuhlobo lwe-valve ezivula futhi ivaleke ngokuzenzakalelayo ngamandla we-medium ngokwayo. Ama-valve okuhlola asetshenziswa ikakhulukazi ukuvimbela ukugeleza kwemidiya emuva. Uma amanzi egeleza emuva, ivalve yokuhlola iyavaleka. Ama-valve okuhlola ngokuvamile ahlukaniswe ama-valve okuhlola okuphakamisa kanye nama-valve okuhlola ama-swing.
Lift Check Valve (I-Globe Check Valve): I-disc ye-lift Check Valve ngokuvamile ihamba eduze komugqa omaphakathi oqondile womzimba we-valve yokuhlola. Ama-valve okuhlola okuphakamisa angahlukaniswa abe amamodeli avundlile naqondile. I-valve yokuhlola i-lift yakhiwe umzimba, ibhonethi, isiqu, isihlalo kanye ne-spool.
I-valve yokuhlola i-Swing (i-valve yokuhlola ebalulekile): I-disc ye-valve yokuhlola i-swing ngokuvamile izungeza iphinikhodi ngaphandle kwesihlalo. I-valve yokuhlola i-Swing ingahlukaniswa ngezinhlobo ezintathu: i-valve eyodwa, i-valve kabili ne-valve eminingi. I-valve yokuhlola ebalulekile yakhiwe ngomzimba, isembozo, i-shaft ejikelezayo kanye nepuleti eliphephezelayo.
I-valve yokuhlola isebenza ngokushintsha kwengcindezi ye-raccoon fluid ngokwayo, futhi ivimbela abezindaba ukuthi babuyele emuva. Isetshenziswa kakhulu kumapayipi okuhambisa amanzi.
I-valve engezansi yokudonsa iwuhlobo lwevalvu yokuhlola. I-valve engezansi yokuncela inokusebenza okuhle kokuvala nomsindo ophansi. Ngokuvamile isetshenziswa kumapayipi avundlile anobubanzi obuncane obungaphansi kwama-200 mm. Ama-valve angaphansi okumunca ama-wing ngokuvamile asetshenziswa kumapayipi amile noma amakhulu ububanzi ngenxa yokuvaleka kwawo okungekuhle kanye nomsindo omkhulu. Ivalvu engezansi yokumunca ifakwa ekugcineni kwepayipi lokumunca lephampu, futhi ixhunywe nepayipi ngezimbambo zangaphakathi noma ama-flange.