The lightning tower is a common protection device for lightning protection. Alias: lightning rod tower, steel structure lightning rod, tower lightning rod. Four specifications: GFL four-column Angle steel tower; GJT three-column round steel tower; GH rod arrester; GFW lightning tower.
Make the installation
All metal parts must be galvanized, and protect the galvanized layer when operating.
2. Use galvanized steel pipe for needle tip, the thickness of tube wall shall be no less than 3mm, and the length of needle tip brush tin shall be no less than 70mm. 3. The allowable deviation is 3/1000.
4. The welding requirements shall adopt the lap welding, and the lap length shall conform to the following provisions:
5. Flat steel is 2 times its width (and at least 3 edge welding).
The round steel is 6 times its diameter.
7. When the round steel is connected with the flat steel, its length is 6 times of the diameter of the round steel.
8. The tower is generally made of round steel or steel pipe. Its diameter shall not be less than the following values:
A independent arrester tower generally used diameter of 19mm galvanized round steel.
The arrester on the roof of b adopts galvanized steel pipe with diameter of 25mm.
The top of c water tower adopts galvanized steel pipe with diameter of 25mm or 40mm.
The lightning tower on the top of d chimney adopts galvanized round steel with diameter of 25mm or galvanized steel pipe with diameter of 40mm. E lightning ring USES galvanized round steel with diameter of 12mm or with section of 100mm galvanized flat steel with thickness of 4mm.
9 the lightning tower shall be made of round steel or welded steel pipe, whose diameter shall not be less than the following values: the length of the needle shall be less than 1m: the length of the round steel shall be 12mm, the steel pipe shall be 20mm, the length of the needle shall be 1-2m: the steel pipe shall be 16mm, the steel pipe shall be 25mm, and the needle on the top of the chimney shall be 20mm, and the steel pipe shall be 40mm .
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