钢质防火卷帘门 　　该产品结构紧凑，刚性强，耐火性能好，达到GB14102-1993《钢质防火卷帘通用技术条件》的要求。 　　帘片采用优质镀锌钢板，防腐性能好，也可表面喷涂。 普通型钢质防火卷帘和复合型钢质防火卷帘。  The steel fireproof rolling-curtain door 　　 The structure of this product is well knit. The rigidity is strong. The fireproof function is good. It comes up to the standard GB14102-1993 《 the Common Technology Conditions of Steel Fireproof Rolling Curtain 》. 　　The curtain piece adopts the galvanizing steel plate with high quality. The antiseptic function is good. The surface of the curtain piece can be coating also. 　　There is common type steel fireproof rolling curtain and compound type steel fireproof rolling curtain. 复合型钢质防火卷帘 　　一般帘片为热镀锌钢板，主板的厚度为 1.2mm ，副板的厚度为0.8mm，适合洞口宽度W≤8m。   Compound type steel fireproof rolling curtain Usually: The curtain piece is galvanizing steel plat. The thickness of main plate is 1.2mm. The thickness of assistant plate is 0.8mm.The suitable width of gateway is less than 8m.

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