(Incazelo efingqiwe)Izinyathelo zokuphepha zokufakwa nokugcinwa kwama-valve okuphepha:
Izinyathelo zokuphepha zokufakwa nokugcinwa kwama-valve okuphepha:
(1) Ivalvu yokuphepha esanda kufakwa kufanele ihambisane nesitifiketi sokufaneleka komkhiqizo, futhi kufanele ilinganiswe kabusha ngaphambi kokufakwa, ivalwe ngomthofu, futhi ikhishwe ukulinganiswa kwevalvu yokuphepha.
(2) Ivalvu yokuphepha kufanele ifakwe iqonde phezulu futhi ifakwe endaweni yesigaba segesi yomkhumbi noma ipayipi.
(3) I-valve yokuphepha akufanele ibe nokumelana nokugwema ukucindezela emuva. Uma ipayipi lokudonsa lifakiwe, ububanzi bayo bangaphakathi kufanele bube bukhulu kunobubanzi bokuphuma kwe-valve yokuphepha. Imbobo yokukhipha amanzi yevalvu yokuphepha kufanele ivikelwe ekubazeni, okuvutha umlilo noma okunobuthi noma okunobuthi obukhulu esitsheni. Isiqukathi sepayipi eliphakathi nendawo kanye nepayipi lokudonsa amanzi kufanele kuholele ngqo endaweni engaphandle ephephile noma kube nezinsiza zokulahla ngendlela efanele. Ipayipi lokudonsa amanzi levalvu elilawulayo elizisebenzayo alivunyelwe ukuthi lifakwe noma iyiphi ivalvu.
Isikhathi sokuthumela: 2020-11-10 00:00:00