Views: 1 Author: Site Editor Publish Time: 2020-03-08 Origin: Site
Where are PVC threading tubes mainly applicable?
1, for the dark in the wall, buried in the underground does not burn the body of the line tube, as well as rural buildings and other ordinary residential household shousing with line pipe, must be used to meet the Ministry of Construction standard JG3050-199, "building insulation electrical casing and accessories", has a certain flame retardant properties, At the same time to meet the requirements of physical and mechanical properties pvc threading pipe. According to fine and local.
2, for places with a higher fire risk, such as hotels, restaurants, shopping malls (large supermarkets), libraries, songs and dances and other public gathering places ceiling and floor lines for pipe protection, because of its roof floor has more flammable, flammable materials, should choose the combustion performance of higher level of flame retardant PVC threading pipe.
3, for fire power distribution lines, fire automatic alarm system electrical lines should be mandatory use of flame retardant PVC threading to meet the standards of the Ministry of Public Security.
4, for cultural relics of ancient buildings ming-laying electrical line transformation, interior decoration and house secondary decoration and old and old building transformation need to use mingline line (hidden in the ceiling, floor), must use combustion performance B1 grade PVC line.