UL yong’inga chidamli eshik ishlari

Yong’in eshiklarini yong’inga qarshi eshik konstruktsiyasida derazalar mavjudligiga qarab derazali va derazasiz yong’inga qarshi eshiklarga bo’lish mumkin (ochish yoki yopish mumkin bo’lmagan derazalar deb ataladi, lekin faqat kuzatish uchun). Yong’in eshigiga o’rnatilgan shisha oddiy shisha bo’lishi mumkin emas, lekin yong’inga chidamli shisha bo’lishi kerak.

ZHTdoors yong’inga qarshi eshiklar, yong’in eshiklari va derazalarida 31 yillik ishlab chiqarish tajribasi. Asosiy UL yong’in eshiklari, EN yong’in eshiklari, BS EN yong’in eshiklari va boshqalar.

UL yong’inga chidamli eshik ishlari-ZTFIRE Door- Fire Door,Fireproof Door,Fire rated Door,Fire Resistant Door,Steel Door,Metal Door,Exit Door