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Coated gate valve

A clad, gate valve technology, applied in valve details, valve device, valve shell structure, etc., can solve problems such as short life, difficult installation, and short valve body orders.

Inactive Publication Date: 2015-11-18
中山市顺康塑料制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Difficult to install, short in service life, easy to corrode, and can only be connected by flanges when connected to pipelines
[0003] In addition, if an all-plastic gate valve is used, the pressure inside the valve body is very high, the life of the valve body is not long, and the pressure inside the pipeline cannot be too high

Method used

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  • Coated gate valve

Examples

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Embodiment Construction

[0017] Below in conjunction with accompanying drawing and embodiment the present invention is described in detail:

[0018] As shown in the figure, a clad gate valve includes a valve body 1, a fluid channel 2 is provided in the valve body 1, and a gate 3 that can block the fluid channel 2 is provided on the valve body 1. 1 is provided with a handle 4 connected to the gate 3, and the gate 3 is driven to move up and down by rotating the handle 4, thereby realizing the function of the gate 3 blocking the fluid channel 2 and closing the valve. Both ends of the fluid channel 2 are extended outwards with external connecting pipes 13 fixedly connected with other pipes. The valve body 1 includes a stainless steel layer 11 placed in the inner layer and a plastic layer 12 covering the stainless steel layer 11 by injection molding. Because the valve body 1 adopts the stainless steel material layer placed in the inner layer and the plastic layer covering the stainless steel material laye...

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Abstract

The invention relates to a coated gate valve. The coated gate valve comprises a valve body, wherein a runner channel is formed in the valve body; a gate plate capable of stopping the runner channel is arranged on the valve body; the valve body is provided with a handle connected to the gate plate; the two ends of the runner channel are outwards extended with outer connecting pipes fixedly connected with other pipe fittings; and the valve body comprises a stainless steel material layer on the inner layer, and a plastic rubber layer coating the stainless steel material layer through plastic injection. The coated gate valve has such advantages as corrosion resistance, long service life, light valve body and easy installation.

Description

【Technical field】 [0001] The invention relates to a cladding gate valve. 【Background technique】 [0002] Due to the existing various valve bodies, especially gate valves. Existing gate valves are used on pipelines for transporting natural gas pipes or other gases. Such gate valves are generally made of cast iron or cast steel, and there are also gate valves made of all plastics. If all cast iron or cast steel is used to manufacture gate valves, the valve body is not only heavy, but also needs to be sprayed with a layer of anti-corrosion paint on the surface of the valve body, and then buried underground or in water. It is difficult to install, has a short service life, and is easy to corrode. When it is connected to the pipeline, it can only be connected by a flange. [0003] In addition, if an all-plastic gate valve is used, the pressure inside the valve body is very high, the service life of the valve body is not long, and the pressure inside the pipeline cannot be too h...

Claims

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Application Information

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IPC IPC(8): F16K27/04F16L47/02
CPCF16K27/044F16L47/02
Inventor 徐鹏杰王利艳户团伟
Owner 中山市顺康塑料制品有限公司
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