Year1
- 规格：
- 219-3500mm
- 规格：
- 6-28
Anti-corrosion spiral steel pipes are mainly used for the outer wall anti-corrosion of buried or underwater steel oil, gas, water supply, and heating pipelines. They are also suitable for various steel structures, docks, ships, sluices, gas storage tanks, and oil refining. Anti-corrosion of chemical plant equipment and waterproofing and anti-leakage of concrete structures such as concrete pipes, sewage pools, roof waterproofing layers, bathrooms, and basements. []
Chinese name of body, mortar drive, ceramic mortar foreign name
r Model
Applications for buried or underwater steel oil transportation, etc. Catalog
Nominal diameter of anti-corrosion media Hardness index storage construction anti-corrosion spiral steel pipe anti-corrosion medium? Edit anti-corrosion spiral steel pipe anti-corrosion medium There are many types of corrosion media in anti-corrosion spiral steel pipe, including acid, alkali, salt, oxidant and water vapor. The coating must be chemically inert and resistant to acid, alkali and salt corrosion
The corrosion coating film should have a dense structure, waterproof permeability, good adhesion, toughness and plumpness. Anti-corrosion spiral steel pipe primer: It is composed of polyurethane polyethylene, modified epoxy resin, non-toxic anti-rust pigments, fillers, additives, etc. It is cured at room temperature to form an interpenetrating network coating structure with dense acid, alkali and salt resistance and excellent anti-rust properties. Strong focus. Anti-corrosion spiral steel pipe topcoat: composed of epoxy, rubber resin modified non-toxic anti-rust pigments, fillers and additives. Excellent chemical resistance, non-toxic and anti-microbial erosion. Nominal diameter of anti-corrosion spiral steel pipe? Edit the nominal diameter of anti-corrosion spiral steel pipe: The diameter of anti-corrosion spiral steel pipe can be divided into outer diameter, inner diameter and nominal diameter. The outer diameter of a pipe that is an anti-corrosion spiral steel pipe is represented by the letter D, followed by the size and wall thickness of the additional outer diameter. For example, the wall thickness of an anti-corrosion spiral steel pipe with an outer diameter is represented by D*. Plastic pipes are also represented by the outer diameter, such as D. Others For example, reinforced concrete pipes, cast iron pipes, galvanized pipes, etc. are represented by D. In design drawings, nominal diameter is generally used to represent the nominal diameter. It is a standard artificially prescribed for the convenience of design, manufacturing and maintenance. It is also compared with the nominal diameter of pipes ( or pipe fittings) specification name. The nominal diameter of the pipe is not equal to its inner diameter and outer diameter. For example: there are several spiral steel pipes with a nominal diameter of *, *, etc. The outer diameter of the pipe represents the wall thickness of the pipe, so the inner diameter of the steel pipe is (*-)= But it is not exactly equal to the difference between the outer diameter of the steel pipe minus twice the wall thickness. It can also be said that the nominal diameter is a pipe diameter that is close to the inner diameter but not equal to the inner diameter. The specification name of the pipe diameter is in the design drawings, so the purpose of using the nominal diameter is to The nominal diameter can determine the structural size and connection size of pipes, pipe fittings, valves, flanges, gaskets, etc. The nominal diameter is represented by the symbol D. If the outer diameter is used in the design drawings, a pipe specification comparison table should be made to indicate the nominal diameter of a certain pipe. Wall thickness.
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