Flexible metal wire protective sleeve is a new material used for wire and cable protective sleeve, which belongs to flexible metal hose.
It can be used for dark laying of bright, dark and in-situ concrete in various occasions. Because of its light weight, good strength and insulation, free bending (without tools), and equipped with a variety of accessories, construction is very convenient, can greatly improve efficiency, so it has been widely used in electrical installation projects.
1 Composition of flexible metal wire protective sleeves
1.1 flexible metal wire protection bushing
It can be divided into flexible metal wire protective sleeves and plastic coated flexible metal wire protective sleeves. The outer layer of the flexible metal wire protective sleeve is hot-dip galvanized steel strip (or copper strip), the middle layer is cold-rolled steel strip, the inner layer is water-resistant paper, the overlapping coil is screwed into a spiral shape, and the outer wall is self-made thread buckle; the plastic-coated flexible metal wire protective sleeve is coated with a layer of plastic (PVC) on the outer layer of the flexible metal wire protective sleeve. The specifications range from 10#~101#, inner diameter from 9.2 mm to 100.2 mm, with a total of 12 specifications.
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