826 x 2040 yong’inga qarshi eshik, grady yong’in eshiklari, 926 mm yong’inga qarshi eshik

Biz odatda havola qiladigan yong’in eshiklari issiqlik izolyatsiyasi yong’inga qarshi eshiklari (ya’ni, A sinfidagi yong’inga qarshi eshiklar) bo’lib, ular belgilangan vaqt ichida bir vaqtning o’zida yong’in yaxlitligi va issiqlik izolyatsiyasi talablariga javob berishi mumkin. Yong’inga chidamlilik darajasi 1.5 soatdan kam bo’lmagan yong’in eshigi.

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826 x 2040 yong’inga qarshi eshik, grady yong’in eshiklari, 926 mm yong’inga qarshi eshik-ZTFIRE Door- Fire Door,Fireproof Door,Fire rated Door,Fire Resistant Door,Steel Door,Metal Door,Exit Door