The fire resistance limit of stainless steel fireproof window is: class a window is not less than 1.2 hours, class B window is not less than 0.9 hours, and class C window is not less than 0.6 hours.

Skill requirements:

1. Device requirements:

1. When inspecting the receipt of goods, Party A shall carefully check whether the quantity, standard, grade and various accessories are qualified and complete according to the supply contract.

2. The storage and storage of fireproof windows shall be kept straight in a dry room with anti-corrosion measures. The glass shall be placed and relied on objects that cannot damage the glass edge and glass surface.

3. Installation

(1) In addition to the above requirements, the device shall be carried out according to the requirements of engineering construction and inspection standards.

(2) When installing the fireproof glass device, the joints on the four sides must be uniform. After positioning, fill the gaps on the four sides with fireproof cotton, and then seal the edge sealing strip.

(3) The orientation of the hardware fitting device hole shall be accurate, so that the hardware fitting device can be flat and solid to meet the application requirements.

(4) The window frame must be integrated with the building, and wood or iron parts shall be selected to connect with the wall. After the steel window frame is installed, it is necessary to irrigate cement mortar between the window frame and the wall and maintain it for more than 24 hours before it can be used normally.

(5) When installing the fireproof window, the straightness of the front, rear, left and right shall be calibrated with a level ruler or a hanging line method to ensure that the horizontal, vertical and height are the same.

(6) It is necessary to check the fireproof window before installation. If the window frame and sash are warped, deformed and glass is damaged due to careless transportation and storage, the installation can be carried out only after correction.

2、 Data and accessories

(1) The hardware fittings shall be finalized and matched commodities that have passed the inspection.

(2) The sealing materials between the structure and the fireproof glass shall be flame retardant materials, which can achieve the effect of fire prevention and smoke separation in case of fire.

(3) The fireproof glass can be selected as the commodity that does not affect the fire resistance function of the fireproof window and passes the test. The light transmittance of the glass shall not be less than 75% of the general flat glass with the same number of layers.

(4) Non combustible materials shall be selected for filling materials inside steel and wood structures.

(5) The selection data standard of wood structure and batten shall comply with the rules in article 5.1.1 of gb14101 general technical conditions for wooden fire doors.

(6) Galvanized steel plate or stainless steel plate can be used for steel structure and strip. The material selection standard conforms to the rules in Article 5.1 of gb12955 general technical conditions for steel fire doors.

(7) The window frame structure shall be steel structure or wood structure with certain strength to ensure the integrity and stability of components.

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