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High strength corrosion-resistant plastic coated flange

A plastic-coated flange, corrosion-resistant technology, used in flange connection, pipeline anti-corrosion/anti-rust protection, damage protection, etc., can solve problems such as fast corrosion rate and inability to guarantee service life, and achieve the effect of improving corrosion resistance.

Inactive Publication Date: 2020-04-10
衡水市东晨矿山机械制造有限公司
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  • Description
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a high-strength corrosion-resistant plastic-coated flange for the above-mentioned technical deficiencies. The flange body includes a ductile iron core flange and a flange plastic-coated layer. The outside of the core flange is covered with modified polypropylene, which can not only improve the corrosion resistance of the ductile iron core flange, but also ensure the original strength of the core flange remains unchanged, which solves the traditional method Lan's corrosion rate is too fast in some special scenarios, and the service life cannot be guaranteed

Method used

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  • High strength corrosion-resistant plastic coated flange

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specific Embodiment approach

[0014] Specific implementation method: combined Figure 1-3 As shown, it includes a flange body 1; the flange body 1 includes a ductile iron core flange 2 and a flange plastic layer 3; the upper circumference of the flange body 1 is uniformly provided with through holes 101; the flange A stepped groove 102 is provided at the center of the upper part of the body 1; the flange body 1 is provided with an annular groove 103 at the position of the through hole 101; the flange plastic coating layer 3 includes a plastic coating inner layer 301 and a plastic coating outer layer 302 The thickness of the plastic-coated inner layer 301 is smaller than that of the plastic-coated outer layer 302; the plastic-coated layer 3 of the flange is made of modified polypropylene.

[0015] When used, such as Figure 1-3 As shown, when the user uses the plastic-coated flange manufactured by the present invention, the flange body 1 is formed by covering the outside of the ductile iron core flange 2 w...

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Abstract

The invention relates to the technical field of plastic coated flanges, in particular to a high strength corrosion-resistant plastic coated flange. A flange body comprises a ball iron core flange anda flange plastic coated layer. By wrapping the ball iron core flange externally with modified polypropylene, the corrosion resistance of the ball iron core flange can be improved, it is ensured that the strength of the original ball iron core flange is invariable, and the problem that the service life of a conventional flange which is too high in corrosion rate in some special scenes cannot be guaranteed is solved.

Description

technical field [0001] The invention relates to the technical field of plastic-coated flanges, in particular to a high-strength corrosion-resistant plastic-coated flange. Background technique [0002] At present, flanges are a relatively common component used to connect pipe fittings, but existing flanges are usually made of metal. In some special scenarios, flanges are usually required to have anti-corrosion functions. Metal High-quality flanges often have a short service life in such scenarios, resulting in a significant increase in maintenance frequency. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a high-strength corrosion-resistant plastic-coated flange for the above-mentioned technical deficiencies. The flange body includes a ductile iron core flange and a flange plastic-coated layer. The outside of the core flange is covered with modified polypropylene, which can not only improve the corrosion resistan...

Claims

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Application Information

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IPC IPC(8): F16L58/18F16L58/10F16L23/032
CPCF16L23/032F16L58/10F16L58/187
Inventor 郭达
Owner 衡水市东晨矿山机械制造有限公司
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