fireproofing shutter series- inorganic compound double-track double-curtain fire-proofing rolling shutter door (rheid shutter)

WFJ inorganic compound double-track double-curtain fireproofing rolling shutter door (hereinafter referred to rheid shutter) , mainly use for long-span, super high and more visitors flow rate public places. Such as large super market, hospital and so on. It is light and good at refractory performance. Double-track double-curtain use a machine double-shaft, double-shutter, double-guide rail to compose fireproofing roller shutter doors. Its refractory time is more than 4 hours, fire back temperature ≤140℃. The products comply with Q/ 320201 SAZ01-2001 standard requirements. Fire back temperature much lower than fireproofing shutter door is the most ideal fireproofing products at present.