{"id":15087,"date":"2026-10-07T10:00:00","date_gmt":"2026-10-07T07:00:00","guid":{"rendered":"https:\/\/www.ulpatek.com\/?p=15087"},"modified":"2026-10-01T14:05:48","modified_gmt":"2026-10-01T11:05:48","slug":"hepa-filtre-ne-zaman-degistirilmeli","status":"publish","type":"post","link":"https:\/\/www.ulpatek.com\/tr\/filtre-teknolojisi\/hepa-filtre-ne-zaman-degistirilmeli\/","title":{"rendered":"HEPA filtre ne zaman de\u011fi\u015ftirilmeli: Bas\u0131n\u00e7 kayb\u0131na, s\u00fcreye veya test sonucuna g\u00f6re mi?"},"content":{"rendered":"

HEPA filtre; belirtilmi\u015f de\u011fi\u015fim kriterine ula\u015ft\u0131\u011f\u0131nda, direnci sistemin gerekli hava debisini sa\u011flamas\u0131n\u0131 engelledi\u011finde veya bir kusur izin verilen prosed\u00fcr kapsam\u0131nda giderilemedi\u011finde de\u011fi\u015ftirilmelidir. Montaj sonras\u0131 b\u00fct\u00fcnl\u00fck testinin ba\u015far\u0131s\u0131z olmas\u0131, derh\u00e2l inceleme ve d\u00fczeltici i\u015flem gerektirir; d\u00fc\u015f\u00fck bas\u0131n\u00e7 kayb\u0131 bu ba\u015far\u0131s\u0131zl\u0131\u011f\u0131 kabul edilebilir k\u0131lmaz.<\/p>\n

Her HEPA kurulumu i\u00e7in ge\u00e7erli tek bir de\u011fi\u015fim aral\u0131\u011f\u0131 yoktur. Az y\u00fcklenen bir terminal filtre ile g\u00f6revini yapamayan bir \u00f6n filtrenin arkas\u0131nda kalan filtrenin kullan\u0131m \u00f6m\u00fcrleri \u00e7ok farkl\u0131 olabilir. Karar i\u00e7in, s\u00f6z konusu filtrenin kullan\u0131mda kalabilece\u011fini g\u00f6steren kan\u0131t gerekir.<\/p>\n

\u00dc\u00e7 kontrol, \u00fc\u00e7 farkl\u0131 g\u00f6rev<\/h2>\n

Bas\u0131n\u00e7 kayb\u0131, ge\u00e7en s\u00fcre ve b\u00fct\u00fcnl\u00fck testi farkl\u0131 de\u011ferlendirmeler i\u00e7in kullan\u0131l\u0131r. Birini di\u011ferlerinin yerine kullanmak, \u00f6nlenebilir hatalara yol a\u00e7ar.<\/p>\n

\n\n\n\n\n\n\n\n
Kontrol<\/th>\nNeyi g\u00f6sterir?<\/th>\nTek ba\u015f\u0131na neyi g\u00f6steremez?<\/th>\n<\/tr>\n<\/thead>\n
Bilinen hava debisindeki bas\u0131n\u00e7 kayb\u0131<\/td>\nMontaj sonras\u0131 direnci ve filtre y\u00fcklendik\u00e7e nas\u0131l de\u011fi\u015fti\u011fini<\/td>\nK\u00fc\u00e7\u00fck bir yerel ka\u00e7ak olup olmad\u0131\u011f\u0131n\u0131 veya kurulumun temizlik gereklili\u011fini kar\u015f\u0131lay\u0131p kar\u015f\u0131lamad\u0131\u011f\u0131n\u0131<\/td>\n<\/tr>\n
Kullan\u0131m ge\u00e7mi\u015fi ve ge\u00e7en s\u00fcre<\/td>\nPlanlanm\u0131\u015f bir s\u0131n\u0131ra, maruziyet s\u0131n\u0131r\u0131na veya bak\u0131m y\u00fck\u00fcml\u00fcl\u00fc\u011f\u00fcne ula\u015f\u0131l\u0131p ula\u015f\u0131lmad\u0131\u011f\u0131n\u0131<\/td>\nFiltrenin nispeten yeni oldu\u011fu i\u00e7in sa\u011flam oldu\u011funu<\/td>\n<\/tr>\n
Montaj sonras\u0131 b\u00fct\u00fcnl\u00fck testi<\/td>\nMonte edilmi\u015f filtre sisteminin, test i\u00e7in belirtilmi\u015f ka\u00e7ak kriterlerini kar\u015f\u0131lay\u0131p kar\u015f\u0131lamad\u0131\u011f\u0131n\u0131<\/td>\nFan\u0131n yeterli hava sa\u011flay\u0131p sa\u011flayamad\u0131\u011f\u0131n\u0131, havay\u0131 do\u011fru da\u011f\u0131t\u0131p da\u011f\u0131tmad\u0131\u011f\u0131n\u0131 veya kabul edilebilir maliyetle \u00e7al\u0131\u015f\u0131p \u00e7al\u0131\u015fmad\u0131\u011f\u0131n\u0131<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Bu ayr\u0131m\u0131n uygulamada kar\u015f\u0131l\u0131\u011f\u0131 vard\u0131r. FDA\u2019n\u0131n aseptik i\u015fleme rehberi, verim testini montaj sonras\u0131 ka\u00e7ak testinden ay\u0131r\u0131r ve hava ak\u0131\u015f\u0131 performans\u0131na da dikkat \u00e7eker. CDC\u2019nin sa\u011fl\u0131k tesislerinde havaland\u0131rma rehberi, \u00fcreticinin ve kurulumun gerekliliklerine g\u00f6re bas\u0131n\u00e7 takibi, inceleme ve bak\u0131m yap\u0131lmas\u0131n\u0131 ister. Bu kontroller birbirini tamamlar. FDA, aseptik i\u015fleme rehberi, b\u00f6l\u00fcm IV.D.2<\/a>; CDC, \u00e7evresel enfeksiyon kontrol\u00fc, Filtre Bak\u0131m\u0131<\/a>.<\/p>\n

\u201cBa\u015flang\u0131\u00e7 bas\u0131n\u00e7 kayb\u0131n\u0131n iki kat\u0131, en fazla 600 Pa\u201d ger\u00e7ekte ne demektir?<\/h2>\n

Ulpatek\u2019in yay\u0131mlanm\u0131\u015f teknik katalo\u011fu, metal \u00e7er\u00e7eveli, tek pileli y\u00fcksek kapasiteli HEPA filtresi i\u00e7in ba\u015flang\u0131\u00e7 de\u011ferinin iki kat\u0131 olan ve 600 Pa ile s\u0131n\u0131rlanan bir son bas\u0131n\u00e7 kayb\u0131 \u00f6nerir. Bu bir \u00fcr\u00fcn tavsiyesidir; evrensel HEPA kural\u0131 de\u011fildir. Tedarik edilen filtrenin tam modeli i\u00e7in g\u00fcncel teknik f\u00f6y\u00fc ve \u00fczerinde anla\u015f\u0131lm\u0131\u015f \u00e7al\u0131\u015fma ko\u015fullar\u0131n\u0131 kullan\u0131n. Ulpatek \u00dcr\u00fcn Teknik Katalo\u011fu, sayfa 206<\/a>.<\/p>\n

Bu tavsiyenin ge\u00e7erli oldu\u011fu durumda hesap \u015f\u00f6yledir:<\/p>\n

\u00d6nerilen son bas\u0131n\u00e7 kayb\u0131 = 2 \u00d7 ba\u015flang\u0131\u00e7 bas\u0131n\u00e7 kayb\u0131 ile 600 Pa de\u011ferlerinden d\u00fc\u015f\u00fck olan\u0131.<\/strong><\/p>\n

A\u00e7\u0131klay\u0131c\u0131 de\u011ferler, \u00fcst s\u0131n\u0131r\u0131 anlamay\u0131 kolayla\u015ft\u0131r\u0131r:<\/p>\n

\n\n\n\n\n\n\n\n
Belirtilen hava debisindeki ba\u015flang\u0131\u00e7 bas\u0131n\u00e7 kayb\u0131<\/th>\nBa\u015flang\u0131\u00e7 de\u011ferinin iki kat\u0131<\/th>\n600 Pa \u00fcst s\u0131n\u0131r\u0131 uyguland\u0131ktan sonraki \u00fcr\u00fcn tavsiyesi<\/th>\n<\/tr>\n<\/thead>\n
125 Pa<\/td>\n250 Pa<\/td>\n250 Pa<\/td>\n<\/tr>\n
250 Pa<\/td>\n500 Pa<\/td>\n500 Pa<\/td>\n<\/tr>\n
350 Pa<\/td>\n700 Pa<\/td>\n600 Pa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

600 Pa, bu tavsiye i\u00e7indeki \u00fcst s\u0131n\u0131rd\u0131r. Her filtreyi 600 Pa\u2019ya kadar \u00e7al\u0131\u015ft\u0131rma izni de\u011fildir. Ba\u015flang\u0131\u00e7 direnci 125 Pa olan filtre, katalo\u011fun ba\u015fka bir sat\u0131r\u0131nda 600 Pa yazd\u0131\u011f\u0131 i\u00e7in 350 Pa daha kullan\u0131labilir diren\u00e7 pay\u0131 kazanmaz.<\/p>\n

Bir de sistem s\u0131n\u0131r\u0131 vard\u0131r. Tavsiyenin 500 Pa verdi\u011fini, ancak fan\u0131n 430 Pa \u00fczerinde gerekli hava debisini art\u0131k koruyamad\u0131\u011f\u0131n\u0131 varsayal\u0131m. Kurulum kendi s\u0131n\u0131r\u0131na \u00f6nce ula\u015fm\u0131\u015ft\u0131r. 500 Pa\u2019y\u0131 beklemek, hava debisi gereklili\u011finin alt\u0131nda \u00e7al\u0131\u015fmak demektir.<\/p>\n

Bak\u0131m plan\u0131nda hangi ba\u015flang\u0131\u00e7 de\u011ferinin kullan\u0131laca\u011f\u0131n\u0131 kararla\u015ft\u0131r\u0131n: \u00fcreticinin belirtilen \u00e7al\u0131\u015fma noktas\u0131ndaki de\u011feri mi, yoksa kabul edilmi\u015f i\u015fletmeye alma referans\u0131 m\u0131? Hava debisini de bununla birlikte kaydedin. De\u011fi\u015fimi ertelemek i\u00e7in her ayardan sonra ba\u015flang\u0131\u00e7 referans\u0131n\u0131 yeniden tan\u0131mlamay\u0131n.<\/p>\n

Hava debisi \u00f6l\u00e7\u00fclmeden okunan bas\u0131n\u00e7 yan\u0131lt\u0131c\u0131 olabilir<\/h2>\n

Filtre direnci hava debisine ba\u011fl\u0131d\u0131r. Hava debisi d\u00fc\u015ferse filtre h\u00e2l\u00e2 y\u00fckl\u00fc oldu\u011fu h\u00e2lde bas\u0131n\u00e7 kayb\u0131 da d\u00fc\u015febilir.<\/p>\n

Bir bak\u0131m kayd\u0131nda ge\u00e7en ay 180 Pa, bug\u00fcn 160 Pa g\u00f6r\u00fcld\u00fc\u011f\u00fcn\u00fc d\u00fc\u015f\u00fcn\u00fcn. Bu d\u00fc\u015f\u00fc\u015f ilk bak\u0131\u015fta olumlu g\u00f6r\u00fcnebilir; ancak debi kayd\u0131, fan\u0131n art\u0131k \u00e7ok daha az hava verdi\u011fini ortaya koyabilir. Filtre kendi kendini temizlememi\u015ftir. \u00d6l\u00e7\u00fcm ko\u015fullar\u0131 de\u011fi\u015fmi\u015ftir.<\/p>\n

Zaman i\u00e7indeki de\u011fi\u015fimi izlemek i\u00e7in \u015funlar\u0131 kaydedin:<\/p>\n