(1) During the blinds material inspection, the thickness of the raw materials of the main components does not meet the standard requirements. For example, the seat plate needs a steel plate with a thickness of 3.0mm, but some manufacturers use a steel plate with a thickness of 1.0mm, which will lead to insufficient rigidity of the seat plate and easy extrusion deformation. .
(2) During the guide rail inspection, the parallelism error and perpendicularity error of most manufacturers do not meet the standard requirements, resulting in a large gap in the middle, and the fire prevention and smoke prevention measures are ineffective.
(3) During the inspection of the seat plate, the fire blinds of some manufacturers cannot be in contact with the ground. Once a fire occurs, the flame will spread from the seat plate and the ground to other parts from the fire place, which cannot effectively prevent the spread of fire and smoke. to the role of fire separation.
(4) Fire blinds manufacturers generally have production without drawings. In order to save trouble, most enterprises assemble and install on-site according to the size of the door, without drawing drawings, resulting in low installation quality.
Contact: Amanda Wu
WhatApp/WeChat: 86-17380542833
E-mail: many@groupeve.com
Post time: Jun-27-2022
