Iivalvu yesangolisango lokuvula nelokuvala. Indlela isango elihamba ngayo ijonge kwicala lolwelo. Ivalvu yesango inokuvulwa ngokupheleleyo kwaye ivalwe ngokupheleleyo, kwaye ayinakulungiswa okanye iqhoboshelwe. Ivalvu yesango ivalwe ngokudibana phakathi kwesihlalo sevalvu kunye nepleyiti yesango. Ngokwesiqhelo, umphezulu wokutywina uya kuba ngaphezulu ngezinto zesinyithi ukwandisa ukumelana nokuguguleka, ezifana nokugquma i-1Cr13, i-STL6, intsimbi engatyiwayo, njl. Isango linesango eliqinileyo kunye nesango elithambileyo. Ngokweesango ezahlukeneyo, ivalvu yesango yahlulwe yaba yivalvu yesango eliqinileyo kunye nevalvu yesango elithambileyo.
Inxalenye yokuvula nokuvala kwevalvu yesango yisango, kwaye indlela isango elihamba ngayo ijonge kwicala lolwelo.ivalvu yesangoIngavulwa ngokupheleleyo kwaye ivalwe ngokupheleleyo kuphela, kwaye ayinakulungiswa okanye itshixwe. Isango lineendawo ezimbini zokutywina. Iindawo ezimbini zokutywina zevalvu yesango yemo esetyenziswa kakhulu zenza imilo ye-wedge. I-angle ye-wedge iyahluka ngokweeparamitha zevalvu, ngokuqhelekileyo i-5°, kunye ne-2°52' xa ubushushu obuphakathi bungekho phezulu. Isango levalvu yesango le-wedge lingenziwa libe yinto epheleleyo, ebizwa ngokuba yi-rigid gate; lingenziwa libe yisango elinokuvelisa ukuguquguquka okuncinci ukuphucula ubuchule balo kunye nokulungisa ukuphambuka kwe-angle yomphezulu wokutywina ngexesha lokucubungula. Ipleyiti ibizwa ngokuba yi-elastic gate. Xa ivalvu yesango ivaliwe, umphezulu wokutywina unokutywinwa kuphela ngoxinzelelo oluphakathi, oko kukuthi, ukuxhomekeka kuxinzelelo oluphakathi ukucinezela umphezulu wokutywina wesango ukuya kwisihlalo sevalvu kwelinye icala ukuqinisekisa ukutywinwa komphezulu wokutywina, okuzitywina ngokwakho. Uninzi lweevalvu zesango zitywinwa ngenkani, oko kukuthi, xa ivalvu ivaliwe, isango kufuneka linyanzeliswe kwisihlalo sevalvu ngamandla angaphandle ukuqinisekisa ukuqina komphezulu wokutywina. Isango levalvu yesango lihamba ngokuthe ngqo kunye nesiqu sevalvu, esibizwa ngokuba yivalvu yesango le-lift-rod, eyaziwa ngokuba yivalvu yesango le-rising-rod. Ngokwesiqhelo, kukho imisonto ye-trapezoidal kwinduku yokuphakamisa. Nge-nut ephezulu yevalvu kunye nomngxuma wesikhokelo emzimbeni wevalvu, intshukumo ejikelezayo iguqulwa ibe yintshukumo ethe ngqo, oko kukuthi, i-torque yokusebenza itshintshwa ibe yi-operating thrust. Xa ivalvu ivuliwe, xa ukuphakama kwesango kulingana no-1:1 ngokuphindwe kabini kunobubanzi bevalvu, umjelo wolwelo awuthintelwa, kodwa le ndawo ayinakujongwa ngexesha lokusebenza. Ekusetyenzisweni kwangempela, incopho yesiqu sevalvu isetyenziswa njengophawu, oko kukuthi, indawo apho ingenakuvulwa khona, njengendawo yayo evulekileyo ngokupheleleyo. Ukuze kuthathelwe ingqalelo into yokutshixa ebangelwa kukutshintsha kobushushu, idla ngokuvulelwa kwindawo ephezulu, ize ibuyele kwi-1/2-1 turn, njengendawo yevalvu evuleke ngokupheleleyo. Ke ngoko, indawo evulekileyo ngokupheleleyo yevalvu imiselwa ngokwendawo yesango, oko kukuthi, i-stroke. Kwabanyeiivalvu zesango, i-stem nut ibekwe kwisango, kwaye ukujikeleza kwesondo lesandla kuqhuba i-valve stem ukuba ijikeleze, nto leyo eyenza isango liphakame. Olu hlobo lwevalve lubizwa ngokuba yi-rotary stem gate valve, okanye i-dark stem gate valve.
Ivalvu yesango leFlange yivalvu yesango enoqhagamshelo lweflange, le ndlela yoqhagamshelo yeyona ixhaphakileyo. Iivalvu zesango leFlange zizinzile kwaye zithembekile xa zisetyenziswa kwimibhobho, ngoko ke iivalvu zesango leflange zihlala zisetyenziswa kwimibhobho enoxinzelelo oluphezulu.
I-Polyurethane Knife Gate Valve eyenza ukuba ibe yenye yezona zinto zibalaseleyo ezimelana nokurhawuzelelwa. I-Polyurethane Knife Gate Valve yethu (NSW) igcwele i-urethane esemgangathweni ophezulu, edlula kakhulu ixesha lokuguguleka kwerabha yegum kunye nayo nayiphi na enye i-liner ethambileyo, okanye izinto zesingxobo.
Isihlalo sevalvu yesango leNewsway Valve samkela ulwakhiwo lwezitywino ze-O-ring kunye nesihlalo sevalvu esiqaqayo esiqinisayo, i-inlays ethambileyo yokutywina yi-fluoroplastic, inika umsebenzi wokutywina kabini: i-fluoroplastic ukuya kwisinyithi kunye nesinyithi ukuya kwisinyithi. Kwaye kwangaxeshanye, i-fluoroplastic inokususa ukungcola kwidiski yesango.
Ixesha lokuthumela: Jan-08-2022