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PE ball valve provided with metal insert

A technology of inserts and metals, applied in the field of PE ball valves, can solve the problems of potential safety hazards, fires, explosions, etc., and achieve the effect of improving safety and eliminating fires and explosions

Inactive Publication Date: 2012-11-21
BEIJING JINGRAN LINGYUN GAS EQUIP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of potential safety hazards when steel valves or copper valves are used in the prior art, fires or even explosions may occur in serious cases, the embodiment of the present invention provides a PE ball valve with metal inserts

Method used

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  • PE ball valve provided with metal insert
  • PE ball valve provided with metal insert
  • PE ball valve provided with metal insert

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0042] Such as figure 1 and Figure 1a As shown, the embodiment of the present invention provides a PE ball valve with a metal insert, including a valve body 1, a valve core 9, a metal insert 2a, a torsion shaft pin 5, a torsion shaft pin sealing ring 6, a bracket 4 and a bracket sealing ring 3;

[0043] The valve body 1 is in the shape of a tee as a whole and communicates internally. The valve body 1 is provided with a port in the vertical direction, and the valve body 1 is provided with two ports in the horizontal direction. The center of the valve body 1 is provided with There is a valve seat, the valve seat is used to install the valve core 9, the valve core 9 is a spherical valve core, the vertical port of the valve body 1 is us...

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Abstract

The invention discloses a PE ball valve provided with a metal insert, and belongs to the field of gas transmission. The PE ball valve includes a valve body, a valve core, the metal insert, a torsion shaft pin, a torsion shaft pin seal ring, a support and a support seal ring; a valve seat is arranged at the center of the valve body, a port in the vertical direction of the valve body is used for accommodating the torsion shaft pin, and the metal insert is arranged in a port in the horizontal direction of the valve body; the torsion shaft pin seal ring is arranged at a position where the torsion shaft pin and the valve body are contacted; the support is arranged between the valve body and the valve core and is used for mounting the support seal ring; and the support seal ring is arranged at a portion wherein the valve body and the valve core are contacted. According to the embodiment of the invention, a PE ball valve structure provided with the metal insert is connected on a diffusing pipe, so that the leakage problem in steel and plastic conversion and thread connection between steel valves or copper valves in the prior art can be solved, potential safety hazards like fire and explosion caused by leakage are eliminated, and further the safety of the whole gas transmission system is improved.

Description

technical field [0001] The invention relates to the field of gas transmission, in particular to a PE ball valve with a metal insert. Background technique [0002] At present, buried polyethylene (PE) pipes are usually used in gas transmission systems. Among them, the ball valve connected to the upper part of the relief pipe on the relief ball valve is usually a steel valve or a copper valve. The installation effect of the steel valve or copper valve determines whether it is safe or not. . [0003] At present, the installation process of the steel valve or copper valve is as follows: First, the plastic end of the steel-plastic conversion joint is welded on the upper part of the discharge pipe through the PE electrofusion sleeve, and then the steel end of the steel-plastic conversion joint is connected to the steel valve or copper valve through threads. . [0004] In this structure, the threaded connection between the steel-plastic conversion joint and the steel valve or cop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K27/06F16K31/60
CPCF16K27/067
Inventor 常志成李力
Owner BEIJING JINGRAN LINGYUN GAS EQUIP CORP
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