Umahluko phakathi kweValve yebhabhathane eZimeleyo ehleliyo kunye neValve yeButterfly ehleli ngesinyithi
Iivalvu zebhabhathane, zinesakhiwo esibambeneyo, uyilo olulula, ukusebenza kakuhle, kunye nokugcinwa lula.
Ziyezinye zeevalvu ezidumileyo kwimizi-mveliso.
Siqhele ukuba neevalvu zebhabhathane ezikwaziyo ukuhlala, okanye iivalvu zebhabhathane zerabha ezinerabha. Kolu luhlu, sineevalve zebhabhathane ezinerabha ezinerabha ezinemigca, iivalvu zebhabhathane zerabha ezinerabha ezinemigca ephindwe kabini.
Kwinkqubo yokuvula nokuvala, i-valve yebhola isebenza phantsi kwamandla okubambisa izihlalo zevalve kuzo zombini iziphelo.Xa kuthelekiswa nevalve yesiqingatha sebhola, ivalve yebhola inetorque enkulu yokuvula nokuvala.Kwaye inkulu i-diameter ye-nominal, i-torque ecacileyo ngakumbi yokuvula kunye nokuvala i-torque.Ukuvulwa kunye nokuvalwa kwevalve yebhabhathane kufezekiswa ngokunqoba i-deformation yerubha.Nangona kunjalo, kuthatha ixesha elide ukusebenzisa iivalvu zesango kunye neevalvu zeglowubhu kwaye kukwangumsebenzi ukwenza oko.
Ivalve yebhola kunye nevalve yeplagi zezohlobo olufanayo.yivalve yebhola kuphela enebhola enomngxuma yokulawula ukuhamba kuyo.Iivalvu zebhola zisetyenziswa ikakhulu ukusika, ukusasaza kunye nokutshintsha indlela yokuhamba kwephakathi kwimibhobho.
Ivalve yebhabhathane kathathu
Zombini iindawo zokutywina zevalvu ziyimathiriyeli yentsimbi okanye enye imathiriyeli eqinile, engasebenzi kakuhle kangako ukutywina, kodwa ineempawu ezilungileyo zomatshini, ezinjengokumelana nobushushu obuphezulu kunye nokuchasana nokunxiba.
Ngokubanzi, kukho lo mahluko ulandelayo kwiivalvu zebhabhathane zezihlalo ezibini ezahlukeneyo.
<1> Ulwakhiwo olwahlukileyo
Uyilo lomgca osembindini wevalve yebhabhathane eyomelelayo ngelixa uyilo oluphindwe kabini okanye kathathu lwe-eccentric yevalve yebhabhathane ehleli ngentsimbi.
<2> Ubushushu obuhlukeneyo obufanelekileyo
sisebenzisa ivalve yebhabhathane eyomelelayo kubushushu obuqhelekileyo, ngelixa ivalve yebhabhathane ehleli iMetal isetyenziswa kubushushu obuphantsi, obuqhelekileyo kunye nophezulu.
<3> Uxinzelelo olwahlukileyo
Ivalve yebhabhathane eyomelelayo ehleliyo ifanelekile kuxinzelelo oluphantsi noluqhelekileyo kwaye ivalve yebhabhathane yeMetal ehleliyo nayo ingafanelana noxinzelelo oluphakathi oluphezulu.
<4> Ukusebenza kokutywinwa okuhlukeneyo
Ivalve yebhabhathane eyomelelayo ehleliyo kunye nevalve yebhabhathane ehleli ngentsimbi zisebenza kakuhle xa kuthelekiswa nokutywinwa.Umva unokutywina kakuhle kuxinzelelo oluphezulu kunye nobushushu.
Ixesha lokuposa: Jan-18-2021