S\u00fcrg\u00fcl\u00fc vana, s\u0131v\u0131lar\u0131n ak\u0131\u015f\u0131n\u0131 tamamen k\u0131s\u0131tlayan bir vana t\u00fcr\u00fcd\u00fcr. Veya y\u00f6n de\u011fi\u015ftirmeden tam ge\u00e7i\u015fli ak\u0131\u015f sa\u011flayan vanalar.<\/p>\n\n\n\n\n\n
S\u00fcrg\u00fcl\u00fc valf, kapatma eleman\u0131n\u0131n (kap\u0131n\u0131n) ge\u00e7idin merkez \u00e7izgisine dikey y\u00f6nde hareket etti\u011fi bir valfi ifade eder. S\u00fcrg\u00fcl\u00fc vana boru hatt\u0131nda yaln\u0131zca tamamen a\u00e7\u0131k ve tamamen kapal\u0131 kapatma i\u00e7in kullan\u0131labilir ve ayarlama ve k\u0131sma i\u00e7in kullan\u0131lamaz. S\u00fcrg\u00fcl\u00fc vana geni\u015f kullan\u0131m alan\u0131na sahip bir vana t\u00fcr\u00fcd\u00fcr. Genellikle DN50 kesme cihazlar\u0131 se\u00e7ilmekte, bazen k\u00fc\u00e7\u00fck \u00e7apl\u0131 kesme cihazlar\u0131 i\u00e7in s\u00fcrg\u00fcl\u00fc vanalar da kullan\u0131lmaktad\u0131r. S\u00fcrg\u00fcl\u00fc vana kesme ortam\u0131 olarak kullan\u0131l\u0131r ve tamamen a\u00e7\u0131ld\u0131\u011f\u0131nda t\u00fcm ak\u0131\u015f d\u00fczd\u00fcr. Bu s\u0131rada ortam\u0131n bas\u0131n\u00e7 kayb\u0131 minimum d\u00fczeydedir. S\u00fcrg\u00fcl\u00fc vanalar genellikle s\u0131k a\u00e7\u0131l\u0131p kapanmas\u0131 gerekmeyen ve kap\u0131y\u0131 tam a\u00e7\u0131k veya tam kapal\u0131 tutan \u00e7al\u0131\u015fma \u015fartlar\u0131na uygundur. D\u00fczenleme veya k\u0131sma olarak kullan\u0131ma uygun de\u011fildir. Y\u00fcksek h\u0131zl\u0131 akan ortam i\u00e7in, kap\u0131 k\u0131smen a\u00e7\u0131ld\u0131\u011f\u0131nda kap\u0131n\u0131n titre\u015fimine neden olabilir ve titre\u015fim, kap\u0131n\u0131n s\u0131zd\u0131rmazl\u0131k y\u00fczeyine ve valf yuvas\u0131na zarar verebilir ve k\u0131sma, kap\u0131n\u0131n a\u015f\u0131nmas\u0131na neden olur. orta.<\/p>\n\n\n\n
Yap\u0131sal formdan temel fark, kullan\u0131lan s\u0131zd\u0131rmazl\u0131k eleman\u0131n\u0131n formudur. S\u0131zd\u0131rmazl\u0131k elemanlar\u0131n\u0131n \u015fekline g\u00f6re, s\u00fcrg\u00fcl\u00fc vanalar genellikle kama s\u00fcrg\u00fcl\u00fc vana, paralel s\u00fcrg\u00fcl\u00fc vana, paralel \u00e7ift s\u00fcrg\u00fcl\u00fc vana, kama \u00e7ift s\u00fcrg\u00fcl\u00fc vana vb. gibi birka\u00e7 farkl\u0131 t\u00fcre ayr\u0131l\u0131r. En yayg\u0131n kullan\u0131lan formlar kama s\u00fcrg\u00fcl\u00fc vanalard\u0131r ve paralel s\u00fcrg\u00fcl\u00fc vanalar.<\/p>\n\n\n\n
Kap\u0131n\u0131n iki s\u0131zd\u0131rmazl\u0131k y\u00fczeyi vard\u0131r. En s\u0131k kullan\u0131lan kama s\u00fcrg\u00fcl\u00fc vanan\u0131n iki s\u0131zd\u0131rmazl\u0131k y\u00fczeyi bir kama olu\u015fturur. Kama a\u00e7\u0131s\u0131 valf parametrelerine g\u00f6re de\u011fi\u015fir, genellikle 5 derecedir. Kama s\u00fcrg\u00fcl\u00fc vanan\u0131n kap\u0131s\u0131, sert kap\u0131 ad\u0131 verilen bir b\u00fct\u00fcn halinde yap\u0131labilir; ayn\u0131 zamanda \u00fcretilebilirli\u011fini geli\u015ftirmek ve i\u015flem s\u0131ras\u0131nda s\u0131zd\u0131rmazl\u0131k y\u00fczeyi a\u00e7\u0131s\u0131ndaki sapmay\u0131 telafi etmek i\u00e7in hafif deformasyon \u00fcretebilen bir kap\u0131ya da yap\u0131labilir. Plakaya elastik ge\u00e7it denir.<\/p>\n\n\n\n
S\u00fcrg\u00fcl\u00fc vana kapat\u0131ld\u0131\u011f\u0131nda, s\u0131zd\u0131rmazl\u0131k y\u00fczeyi s\u0131zd\u0131rmazl\u0131\u011f\u0131 sa\u011flamak i\u00e7in yaln\u0131zca orta bas\u0131nca g\u00fcvenebilir; yani, kap\u0131n\u0131n s\u0131zd\u0131rmazl\u0131k y\u00fczeyini di\u011fer taraftaki valf yuvas\u0131na bast\u0131rarak s\u0131zd\u0131rmazl\u0131\u011f\u0131n sa\u011flanmas\u0131 i\u00e7in orta bas\u0131nca g\u00fcvenilebilir. Kendili\u011finden s\u0131zd\u0131rmaz olan s\u0131zd\u0131rmazl\u0131k y\u00fczeyi. \u00c7o\u011fu s\u00fcrg\u00fcl\u00fc vana zorla s\u0131zd\u0131rmazl\u0131\u011f\u0131 benimser; yani, vana kapat\u0131ld\u0131\u011f\u0131nda, s\u0131zd\u0131rmazl\u0131k y\u00fczeyinin s\u0131k\u0131l\u0131\u011f\u0131n\u0131 sa\u011flamak i\u00e7in kap\u0131n\u0131n harici bir kuvvet taraf\u0131ndan yuvaya do\u011fru zorlanmas\u0131 gerekir.<\/p>\n\n\n\n
S\u00fcrg\u00fcl\u00fc valfin s\u00fcrg\u00fcl\u00fc valfi, kald\u0131rma sapl\u0131 s\u00fcrg\u00fcl\u00fc valf (ayn\u0131 zamanda y\u00fckselen g\u00f6vdeli s\u00fcrg\u00fcl\u00fc valf olarak da adland\u0131r\u0131l\u0131r) olarak adland\u0131r\u0131lan valf g\u00f6vdesi ile do\u011frusal olarak hareket eder. Genellikle kald\u0131rma \u00e7ubu\u011funun \u00fczerinde, valfin \u00fcst k\u0131sm\u0131ndaki somun ve valf g\u00f6vdesindeki k\u0131lavuz oluk arac\u0131l\u0131\u011f\u0131yla trapez di\u015f bulunur, d\u00f6nme hareketi do\u011frusal harekete d\u00f6n\u00fc\u015ft\u00fcr\u00fcl\u00fcr, yani \u00e7al\u0131\u015fma torku \u00e7al\u0131\u015fma iti\u015fine d\u00f6n\u00fc\u015ft\u00fcr\u00fcl\u00fcr. .<\/p>\n\n\n\n
Valf a\u00e7\u0131ld\u0131\u011f\u0131nda, kapa\u011f\u0131n kald\u0131rma y\u00fcksekli\u011fi valf \u00e7ap\u0131n\u0131n 1:1 kat\u0131na e\u015fit oldu\u011funda s\u0131v\u0131 ge\u00e7i\u015fi tamamen a\u00e7\u0131l\u0131r ancak \u00e7al\u0131\u015fma s\u0131ras\u0131nda bu konum izlenemez. Ger\u00e7ek kullan\u0131mda supap sap\u0131n\u0131n tepe noktas\u0131, yani a\u00e7\u0131lamad\u0131\u011f\u0131 konum, tam a\u00e7\u0131k konumu olarak i\u015faret olarak kullan\u0131l\u0131r. S\u0131cakl\u0131k de\u011fi\u015fimlerinden kaynaklanan kilitleme olay\u0131n\u0131 hesaba katmak i\u00e7in, genellikle \u00fcst konuma kadar a\u00e7\u0131l\u0131r ve ard\u0131ndan tamamen a\u00e7\u0131k vana konumu olarak 1\/2~1 tur geriye do\u011fru a\u00e7\u0131l\u0131r. Bu nedenle vanan\u0131n tamamen a\u00e7\u0131k konumu, kap\u0131n\u0131n konumu (yani strok) taraf\u0131ndan belirlenir.<\/p>\n\n\n\n
\u00d6ncesi ve sonras\u0131yla on makale<\/p>\n\n\n\n
Haberler \u2013 S\u00fcrg\u00fcl\u00fc vanan\u0131n avantajlar\u0131 ve dezavantajlar\u0131 | End\u00fcstriyel vana \u00fcreticisi<\/a><\/p>\n\n\n\n Haberler \u2013 Kelebek vana montaj\u0131 ve bak\u0131m\u0131 | End\u00fcstriyel vana \u00fcreticisi<\/a><\/p>\n\n\n\n Haberler \u2013 Kelebek vanan\u0131n avantajlar\u0131 ve dezavantajlar\u0131 | End\u00fcstriyel vana \u00fcreticisi<\/a><\/p>\n\n\n\n Haberler \u2013 Kelebek vana nedir? | End\u00fcstriyel vana \u00fcreticisi<\/a><\/p>\n\n\n\n Haberler \u2013 Kelebek vana uygulanabilir \u00e7al\u0131\u015fma ko\u015fullar\u0131 ve malzemeleri | End\u00fcstriyel vana \u00fcreticisi<\/a><\/p>\n\n\n\n Haberler \u2013 S\u00fcrg\u00fcl\u00fc vana g\u00f6vde yap\u0131s\u0131 | End\u00fcstriyel vana \u00fcreticisi<\/a><\/p>\n\n\n\n Haberler \u2013 D\u00fcz s\u00fcrg\u00fcl\u00fc vana se\u00e7im prensibi | End\u00fcstriyel vana \u00fcreticisi<\/a><\/p>\n\n\n\n Haberler \u2013 D\u00fcz s\u00fcrg\u00fcl\u00fc vanan\u0131n avantajlar\u0131 ve dezavantajlar\u0131 | End\u00fcstriyel vana \u00fcreticisi<\/a><\/p>\n\n\n\n Haberler \u2013 D\u00fcz s\u00fcrg\u00fcl\u00fc vanan\u0131n \u00f6zellikleri ve uygulanabilir durumlar\u0131 | End\u00fcstriyel vana \u00fcreticisi<\/a><\/p>\n\n\n\n