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Shock-resistant ball valve

A technology of impact resistance and ball valves, which is applied in the field of impact resistance ball valves, can solve the problems of poor wear resistance, aging resistance, and easy damage, etc., and achieve the effect of good wear resistance

Active Publication Date: 2017-08-29
BEIFA GRP BEIJING VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The compressive strength of the current ball valve is far lower than 600Mpa, prone to damage, not anti-aging, and poor wear resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] An impact-resistant ball valve includes a first valve body 1, a rubber cylinder 2 and a second valve body 3, the rubber cylinder 2 is arranged between the first valve body 1 and the second valve body 3, the first valve body The body 1 and the second valve body 3 are fixed by bolts 4, the first valve body 1 and the second valve body 3 are provided with a polyurethane sleeve 5, the polyurethane sleeve 5 is arranged in a trumpet shape, and the middle part of the polyurethane sleeve 5 A valve seat 6 is provided, the valve seat 6 is integrally formed with the polyurethane sleeve 5, a ball head 7 is installed inside the valve seat 6, a valve stem 8 is fixed on the top of the ball head 7, and the valve stem 8 is provided with End cover 9, said end cover 9 is fixedly connected with first valve body 1 and second valve body 3 respectively, said valve stem 8 runs through the middle part of valve cover 9, said first valve body 1 is welded with a first flange 10. A second flange 11 ...

Embodiment 2

[0033]An impact-resistant ball valve includes a first valve body 1, a rubber cylinder 2 and a second valve body 3, the rubber cylinder 2 is arranged between the first valve body 1 and the second valve body 3, the first valve body The body 1 and the second valve body 3 are fixed by bolts 4, the first valve body 1 and the second valve body 3 are provided with a polyurethane sleeve 5, the polyurethane sleeve 5 is arranged in a trumpet shape, and the middle part of the polyurethane sleeve 5 A valve seat 6 is provided, the valve seat 6 is integrally formed with the polyurethane sleeve 5, a ball head 7 is installed inside the valve seat 6, a valve stem 8 is fixed on the top of the ball head 7, and the valve stem 8 is provided with End cover 9, said end cover 9 is fixedly connected with first valve body 1 and second valve body 3 respectively, said valve stem 8 runs through the middle part of valve cover 9, said first valve body 1 is welded with a first flange 10. A second flange 11 i...

Embodiment 3

[0043] An impact-resistant ball valve includes a first valve body 1, a rubber cylinder 2 and a second valve body 3, the rubber cylinder 2 is arranged between the first valve body 1 and the second valve body 3, the first valve body The body 1 and the second valve body 3 are fixed by bolts 4, the first valve body 1 and the second valve body 3 are provided with a polyurethane sleeve 5, the polyurethane sleeve 5 is arranged in a trumpet shape, and the middle part of the polyurethane sleeve 5 A valve seat 6 is provided, the valve seat 6 is integrally formed with the polyurethane sleeve 5, a ball head 7 is installed inside the valve seat 6, a valve stem 8 is fixed on the top of the ball head 7, and the valve stem 8 is provided with End cover 9, said end cover 9 is fixedly connected with first valve body 1 and second valve body 3 respectively, said valve stem 8 runs through the middle part of valve cover 9, said first valve body 1 is welded with a first flange 10. A second flange 11 ...

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Abstract

The invention discloses a shock-resistant ball valve. The shock-resistant ball valve comprises a first valve body, a rubber barrel and a second valve body. The rubber barrel is arranged between the first valve body and the second valve body. The first valve body and the second valve body are fixed through a bolt and are internally provided with polyurethane sleeves correspondingly. The polyurethane sleeves are arranged in a horn shape. A valve seat is arranged in the middles of the polyurethane sleeves. The valve seat and the polyurethane sleeves are integrally formed. A ball head is mounted in the valve seat. A valve rod is fixed to the top of the ball head. An end cover is arranged on the valve rod and fixedly connected with the first valve body and the second valve body. The valve rod penetrates through the middle of the valve deck. A first flange is welded to one end of the first valve body. A second flange is welded to one end of the second valve body. The compressive strength of the rubber barrel adopted by the shock-resistant ball valve is greater than 600 Mpa, damage is not prone to occurring, the anti-aging effect is achieved, and the abrasion resistance is good.

Description

technical field [0001] The invention relates to an impact-resistant ball valve. Background technique [0002] The existing ball valve standard GB / T21465-2008 "Valve Glossary" is defined as a valve whose opening and closing part (ball) is driven by the valve stem and rotates around the axis of the ball valve. It can also be used for the regulation and control of fluids, among which the hard-sealed V-shaped ball valve has a strong shear force between its V-shaped ball core and the metal valve seat of surfacing welding carbide, and is especially suitable for fibers and tiny solid particles. etc. medium. The multi-way ball valve can not only flexibly control the confluence, diversion, and flow direction switching of the medium on the pipeline, but also close any channel and connect the other two channels. This type of valve should generally be installed horizontally in the pipeline. According to the driving mode, the ball valve is divided into: pneumatic ball valve, electric ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K5/08F16K27/06F16K27/12
CPCF16K5/0657F16K5/08F16K27/067F16K27/12
Inventor 吕玲
Owner BEIFA GRP BEIJING VALVE
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