I-valve yesango isetyenziselwa izixhobo zokusika izixhobo zokudalwa kwe-DN ≥ 50mm, kwaye ngamanye amaxesha i-vils yesango zisetyenziselwa ukunciphisa iidayimitha ezincinci.
Inxalenye yokuvula kunye nokuvala i-Valve yesango isango, kwaye umkhombandlela wentshukumo yesango uvela kwicala le-fleid. I-Valve yesango inokuvulwa kuphela kwaye ivalwe ngokupheleleyo, kwaye ayinakulungiswa okanye ilungiswe. Isango linamagumbi amabini okutywina. Imimandla emibini yokutywina yeyona ndawo isetyenziswayo yesango esetyenziswayo esetyenziswayo yesango. I-Angle ye-Wedge iyahluka kwiiparamitha zeValve, i-50, ne-50 ° 52 'xa amaqondo obushushu aphakathi akaphezulu. Isango letyholo lomtshato linokwenziwa ilanga lilonke, elibizwa ngokuba lisango eliqinileyo; Ingakwazi ukwenziwa isango elinokuvelisa isixa esincinci sengcaciso encinci yokuphucula ukwenziwa kwayo kwaye ihlawule imbuyekezo yokuphambuka kwe-engile yokutywina ngexesha lokuqhutywa. Iplate ibizwa ngokuba sisitekisi se-elasti. I-valve yesango yeyona nto iphambili yokulawula ukuhamba okanye ukudlulisela ivolumu ye-powder, izixhobo zokudla okuziinkozo, izixhobo ze-Granular kunye nezixhobo ezincinci zempahla. Isetyenziswe ngokubanzi kwi-metallggy, imigodi, izinto zokwakha, ukutya okuziinkozo, ishishini leekhemikhali kunye namanye amakhamamikhali kunye namanye amashishini ukulawula ukutshintsha ukuhamba okanye ukunqunyulwa ngokukhawuleza.
IiVolves zesango zibhekisa ngqo kwiintlobo zentsimbi zentsimbi, ezinokwahlulwa ngokwamasango, zehlango zesango, i-valves yesango elifanayo, kunye ne-valve yesango elongezelelekileyo lomgangatho wokutywina. I-Ivavanga yesango inokwahlulwa ibe yi: Uhlobo lwesango loSonke, uhlobo lweSango oluPhezulu kunye nohlobo lwesango le-elastic; I-valve yesango elifanayo lihlulwe luhlobo lwesango kunye nohlobo lwesango kabini. Ngokwesigaba sentambo yesiqu se-valve, inokwahlulwa ibe ziindidi ezimbini: ukunyuka kwe-stemp ye-stemp ye-valve kunye nendawo yesango lesango le-Stem.
Xa ivalve yesango ivaliwe, umphezulu wokutywina unokutywina kuphela ngoxinzelelo oluphakathi, olu, luxhomekeke kwi-Pination Preyithi yePlayithi yokutywina komgangatho wokutywina, onokutywina. Uninzi lwe-valve yesango inyanzelekile itywina, oko kukuthi, xa ivalve ivaliwe, isango eliza kucinezelwa kwisitulo sevali, ukuze siqinisekise ukuba umphezulu wokutywina.
Isango le-valve lesango lihamba ngomgca othe ngqo nesiqu se-valve, esibizwa ngokuba yi-valve yesango le-Stem State (ekwabizwa ngokuba yi-stemp yesango lesango). Ngokwesiqhelo kukho intambo yetreyini kwindawo yokuphakamisa, kwaye kwi-nati ephezulu yevali kwaye isikhokelo sitshintshelwe kumzimba wevali, oko kukuthi, itoti ejikelezayo itshintshwe kusebenza.
Xa ivulwe iveni, xa ukuphakama kweplate yesango ilingana no-1: 1 amaxesha ububanzi bevali, kodwa esi sikhundla asinakubekwa esweni ngexesha lokusebenza. Ngokwenene, i-apex ye-valve isetyenziswa njengophawu, oko kukuthi, indawo apho i-valve stem ingahambiyo ithathiwe njengendawo yayo evulekileyo. Ukuze uqwalasele iphenyane lekhefu ngenxa yotshintsho lobushushu, ihlala ivulekile kwisikhundla esiphezulu, kwaye emva koko ibuyise umva 1 / 2-1 ijika, njengesikhundla esivulekileyo sevalve. Ke ngoko, isikhundla esivulekileyo sevalve simiselwe sisikhundla sesango (oko kukuthi, ukubetha).
Ngesinye isango, i-stem neat imiswe kwisango, kwaye ukujikeleza kwevili ngesandla kuqhuba i-valve ukuya kujikeleza, kwaye iplate yesango iphakanyisiwe. Olu hlobo lwevalve lubizwa ngokuba yindawo yesango le-rostary stem okanye ivalve yesango elimnyama.
Ixesha lasemva kwexesha: Mar-21 ukuya ku-4024