Main Quality Requirements For Fire Shutter Doors

- Oct 06, 2018 -

(1) curtain

1.1 After the adjacent interlocking curtains are connected in series, the rotation is flexible, and the swinging ±900 is not allowed to fall off. After the overlapping panels with smoke prevention performance are connected in series, the swing ±900 is not allowed to fall off.

1.2 The baffle or the anti-smashing mechanism at both ends of the curtain shall be assembled firmly. After assembly into a roller blind, the amount of movement of the curtain shall not exceed 2 mm.

1.3 The curtain should be straight, the straightness of the curtain should not exceed 1.5mm per meter, and the straightness of the full length should not exceed 0.12%.

1.4 After the curtain panels are assembled into roller blinds, voids and gaps are not allowed.

1.5 Curtain with smoke resistance, the contact surface after the inner and outer nose hooks are in contact with each other, and the arc angle must be in contact within the range of 300.

1.6 After the curtain panels are assembled into roller blinds, no tilting is allowed during operation, and the lifting should be carried out in parallel. The unevenness of the roller blinds is not more than 1/300 of the height of the opening.

(2) Guide rail

2.1 Guide rails with smoke prevention performance must have smoke prevention devices. The materials used should be non-combustible materials. The smoke-proof device and the roller blind table should be evenly and closely fitted, and the fitting surface should not be less than 80%. 2.2 The top of the guide rail shall be rounded and its length shall be at least 75 mm beyond the opening.

2.2 The slideway of the guide rail should be smooth and straight. The straightness should not exceed 1.5mm per meter, and the straightness of the full length should not exceed 0.12%. No distortion, bump or burr is allowed.

2.3 The on-site installation of the guide rail should be firm. The verticality after installation should not exceed 5mm per meter, and the vertical length of the full length should not exceed 20mm.

2.4 The roller blind should run smoothly and smoothly in the guide rail, and no collision or impact is allowed.

(3) Threshold

3.1 The structure of the threshold must effectively prevent the spread of fire.

3.2 Thresholds with smoke resistance, smoke control devices must be installed to effectively prevent smoke from spilling out. All materials of smoke control devices should be non-combustible materials.

3.3 The door smoke prevention device shall be in uniform contact with the sealing surface of the sill and the surface of the roller blind. The contact surface shall not be less than 80% of the width of the door opening, and the gap of the non-contact surface shall not be greater than 2 mm.

3.4 The installation of the door sill shall be firm and the distance between the pre-buried steel parts shall not exceed 600mm.

(4) seat plate

4.1 The contact between the seat plate and the ground should be uniform and parallel.

4.2 The seat plate should be made of angle steel. The size of the angle steel should be determined according to the width of the hole. The rivets are connected or bolted, and the spacing is not more than 300mm.

(5) Transmission

5.1 The installation of the roller door machine must have space for maintenance, the installation should be firm and no oil leakage.

5.2 The bearing is installed firmly, the bearing is not the same, and the fuel is sufficient.

5.3 The center of the sprocket of each rotating shaft should be coaxial and without damage.

5.4 The door roller machine has two types: electric and manual. The fire shutter must be equipped with a fire shutter door machine or a common roller door machine plus fireproof and heat insulation device, and the fire test certificate should be obtained.

(6) Electrical installation

6.1 The electrical button is activated and flexible, and the actions of centralized control and linkage control are flexible and accurate.

6.2 The automatic control of the safety device shall be installed in the exposed part of the 2m range near the roller blind and the part that can be monitored at any time. Control buttons are provided outside the door of the fire shutter door.

6.3 The automatically controlled power supply, backup power supply or battery should be able to maintain normal working condition. The electrical circuit used should not be exposed. It should be buried in the wall or have a threading pipe.

6.4 Steel fire shutters and wall installation requirements:

The steel fire shutters are installed on the wall of the building and should be welded or pre-embedded. The original building can be assembled with expansion bolts on the concrete wall or concrete column, and the installation strength should be ensured to meet the design requirements.

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