Model Number

Fire-proof steel fold-up door

Fire-proof function: According to the International GB14102-93 ‘steel fire-proof fold-up door common technology condition’, the fire-resistant class is 3.0h, 2.0h, 1.5h. According to Chinese regular fire-extinguishing system & fire-resisting & fire-resisting part quality supervising center, the class has reached 3.0h, 4.0h. According to the Britain Wellington fire-resisting detecting center:4.0h

Smoke-resisting function: amount of leaking smoke≤0.2M3/M2Min.

Technical parameter:                

Span: W≤45000mm, H≤6000mm

Fire-resisting time≥3.5h

Min bending radius: R800mm

Wind-resisting class: 80Pa/M2 on average

Speed of open & close: 2—9 m/Min

Space needed upward: 200—400m

Steel fire-resisting door is stable and durable, slinky, and fitted for interior and exterior, industrial workshop and so on. Because of the tight sealing and stuffing material, this series of door has quite excellent sealing, heat insulating, sound insulating function.

Safety device: life-safety lock + door starter + sequence machine + fire-proof lock

Shapes of door: Single piece, pair pieces

Steel fire-resistance static galvanoplastics . zincograph

Padded with aluminum silicate which is fire-resisting, temperature-keeping material and up to Chinese  GB12955-91 A,B class fire-resisting standard.