Boru hatlar\u0131ndaki ak\u0131\u015f\u0131 kontrol etmek s\u00f6z konusu oldu\u011funda, do\u011fru kelebek vanay\u0131 se\u00e7mek b\u00fcy\u00fck fark yarat\u0131r. Esnek oturmal\u0131 kelebek vanalar ve \u00e7ift ofset kelebek vanalar, su, kimyasal ve end\u00fcstriyel sistemlerde en yayg\u0131n kullan\u0131lan iki vana t\u00fcr\u00fcd\u00fcr. Esnek oturmal\u0131 tasar\u0131m, genel ama\u00e7l\u0131, d\u00fc\u015f\u00fck bas\u0131n\u00e7l\u0131 sistemler i\u00e7in idealken, \u00e7ift ofset kelebek vana y\u00fcksek bas\u0131n\u00e7, y\u00fcksek s\u0131cakl\u0131k ve uzun \u00f6m\u00fcrl\u00fc performans i\u00e7in tasarlanm\u0131\u015ft\u0131r.<\/p>\n\n\n\n
Bu k\u0131lavuzda, bu vanalar\u0131n tam olarak nas\u0131l farkl\u0131la\u015ft\u0131\u011f\u0131n\u0131, nas\u0131l \u00e7al\u0131\u015ft\u0131\u011f\u0131n\u0131 ve hangisinin uygulaman\u0131za en uygun oldu\u011funu \u00f6\u011freneceksiniz.<\/p>\n\n\n\n
Kelebek vana, s\u0131v\u0131 veya gaz ak\u0131\u015f\u0131n\u0131 kontrol etmek i\u00e7in kullan\u0131lan bir t\u00fcr \u00e7eyrek turlu vanad\u0131r. Merkezi bir \u015fafta monte edilmi\u015f, ak\u0131\u015f ge\u00e7i\u015fini a\u00e7an veya k\u0131s\u0131tlayan d\u00f6ner bir disk arac\u0131l\u0131\u011f\u0131yla \u00e7al\u0131\u015f\u0131r. Bu tasar\u0131m\u0131n merkezinde, vana kapat\u0131ld\u0131\u011f\u0131nda g\u00fcvenli ve s\u0131zd\u0131rmaz bir kapanma sa\u011flayan s\u0131zd\u0131rmazl\u0131k y\u00fczeyi olan kelebek vana yuvas\u0131 bulunur.<\/p>\n\n\n\n
Bir kelebek vanay\u0131 di\u011ferinden ay\u0131ran \u015fey, ofsettir; yani milin diskin merkez hatt\u0131na g\u00f6re konumudur. Bu tasar\u0131m tercihi, vanan\u0131n nas\u0131l s\u0131zd\u0131rmaz hale gelece\u011fini, ne kadar s\u00fcrt\u00fcnme olu\u015faca\u011f\u0131n\u0131 ve nihayetinde bas\u0131n\u00e7 alt\u0131nda ne kadar iyi performans g\u00f6sterece\u011fini belirler.<\/p>\n\n\n\n