(Incazelo efingqiwe)Funda imanuwali ye-valve ngokucophelela ukuze uqonde isakhiwo esiyisisekelo kanye nomgomo.
1. Funda incwadi ye-valve ngokucophelela ukuze uqonde isakhiwo esiyisisekelo kanye nomgomo
2. Izinyathelo zokusebenza ze-valve butterfly kagesi
2.1 Vala amaswishi omoya esekethe ngayinye, lapho inkomba "yesayithi noma isilawuli kude" ivuliwe, shintsha "isayithi" noma "isilawuli kude" njengoba kudingeka, bese ukhetha ukuvula noma ukuvala ukusebenza kwevalvu ngokusho "okuvaliwe" noma isibani senkomba "esivuliwe" . Qaphela: Uma i-valve ingavaliwe ngokugcwele, nezinkomba zokuthi "Kuvaliwe" noma "Vula" ngeke zikhanyise. Ilambu elibomvu lisho "ivalvu evulekile endaweni" noma "on-site" isilawuli, ukukhanya okuluhlaza kusho "ivalvu evalwe endaweni" noma "isilawuli kude";
2.2 Uma udinga ukuvula futhi uvale ngesandla, cindezela inkinobho yokushintshana futhi ujikeleze i-valve ngasikhathi sinye, isiqondisi se-pointer esizovala i-valve, i-pointer ivaliwe lapho ivaliwe. Khomba ku-90 °.
Isikhathi Seposi: 2020 - 11 - 10 00:00:00:00:00