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Elastic hard-sealing three-section forged steel fixing ball valve

A fixed ball valve and hard seal technology, which is applied to valve devices, cocks including cut-off devices, engine components, etc., can solve the problems of high cost, inconvenient processing and assembly of high-pressure ball valves, unreliable sealing, etc., to achieve effective sealing and improve high temperature Use effect, good sealing effect

Inactive Publication Date: 2016-01-06
TIANJIN HUASHUNTONG VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The high-pressure ball valve with this structure has inconvenient processing and assembly, high cost and unreliable sealing.

Method used

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  • Elastic hard-sealing three-section forged steel fixing ball valve
  • Elastic hard-sealing three-section forged steel fixing ball valve

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Embodiment Construction

[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0014] Such as figure 1 with figure 2 As shown, the elastic hard seal three-stage forged steel fixed ball valve of the present invention includes a valve body 10, two valve covers 1 respectively arranged on both sides of the valve body, and a ball 5 with a middle through hole arranged in the valve body , and the valve seat 2 arranged on the valve cover, the valve seat 2 is made of a thin metal plate and has a C-shaped cross-section, and the opening of the valve seat is arranged on the side away from the ball 5 .

[0015] Specifically, the valve cover 2 is inserted into the valve body end to be provided with a positioning flange 21, and the outer side of the positioning flange 21 is...

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Abstract

The invention discloses an elastic hard-sealing three-section forged steel fixing ball valve. The elastic hard-sealing three-section forged steel fixing ball valve comprises a valve body, two valve decks arranged on the two sides of the valve body, a spherical body arranged in the valve body and provided with a middle through hole and a valve seat arranged on the valve decks. The valve seat is made of metal, the section of the valve seat is of a C shape, and the opening of the valve seat is formed in the side away from the spherical body. According to the invention, the floating valve seat design is adopted, the directionality of liquid inflowing is overcome, and the two sides can be sealed well; the inner ring side of a supporting ring is set to be of a shape formed by matching a linear section and an arc section, and therefore the valve seat can constantly protrude outwards, full-time effective sealing can be guaranteed, and the use effect at high temperature can be improved.

Description

technical field [0001] The invention relates to the technical field of valve manufacturing, in particular to an elastic hard seal three-stage forged steel fixed ball valve. Background technique [0002] High-pressure ball valves are mainly used for high-pressure media such as high-pressure water, hydraulic oil, chemical high-pressure media, etc., to control the opening and closing of such media systems. Existing high-pressure ball valve mainly comprises valve body, bonnet, first valve seat, second valve seat, valve stem, handle, the sphere that has middle through hole, bonnet is connected with valve body, first valve seat, second valve seat The seat is set in the valve body, the ball is set between the first valve seat and the second valve seat, and a valve stem mounting groove is set on the outer surface of the ball, one end of the valve stem is set in the valve stem mounting groove, and the other end passes through the valve body Afterwards, it is connected with the handl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K5/08
CPCF16K5/06F16K5/0663F16K5/08
Inventor 徐鑫杰闫殿坤
Owner TIANJIN HUASHUNTONG VALVE
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