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Fire Door Operators

Fire doors are divided into thermal insulation/partial thermal insulation/non thermal insulation fire doors according to their fire resistance. The fire doors we usually call thermal insulation fire doors are divided into three types based on the fire resistance limit: Class A (1.5h), Class B (1.0h) and Class C (0.5h). Double fire doors shall have the function of self closing in sequence, which is realized by sequencer.

ZHTdoors باھ جا دروازا، 31 سالن جي پيداوار جو تجربو فائر دروازن ۽ ونڊوز ۾. مکيه UL باھ جا دروازا، EN باھ جا دروازا، BS EN باھ جا دروازا، وغيره. اسان وٽ سرٽيفڪيشن آھي. ZHTdoors OEM ۽ مفت ڊيزائن جي حمايت ڪن ٿا. اسان جا فائدا: سٺو معيار، فيڪٽري قيمت، سٺي خدمت. اسان سان صلاح ڪرڻ لاء ڀليڪار.

Fire Door Operators-ZTFIRE Door- Fire Door,Fireproof Door,Fire rated Door,Fire Resistant Door,Steel Door,Metal Door,Exit Door