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Duplex floating ball valve

A floating ball valve and valve stem technology, used in valve details, valve devices, engine components, etc., can solve problems such as many leakage points, complex forms, and unfavorable pipeline sealing.

Inactive Publication Date: 2020-09-08
HUBEI TAIHE PETROCHEM EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the traditional pipeline, the connection form of multiple valves is relatively complicated, and there are many leakage points in the system. The ordinary floating ball valve uses a ball, which is only convenient for one-way sealing, and when a single ball leaks, it is not conducive to the entire system. pipeline sealing

Method used

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  • Duplex floating ball valve
  • Duplex floating ball valve

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Embodiment Construction

[0013] Such as figure 1 As shown, a double floating ball valve includes a valve body 1, two spheres 2 are arranged in the valve body 1, valve seats 3 are arranged at the left and right ends of the sphere 2, and valve seats 3 are arranged at the upper ends of the two spheres 2 respectively. The first valve stem 4 and the second valve stem 5, the first valve stem 4, the second valve stem 5 and the sphere 2 are rotationally connected with the valve body 1, the upper end of the first valve stem 4 is provided with a first turntable 6, the second valve stem 4 A second turntable 7 is arranged on the second valve stem 5 .

[0014] preferred, such as figure 2 As shown, a third turntable 8 is provided between the first turntable 6 and the second turntable 7 , and meshing gears 9 are provided at the edges of the first turntable 6 , the second turntable 7 and the third turntable 8 . The third turntable drives the first turntable and the second turntable to rotate.

[0015] Preferably,...

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Abstract

The invention discloses a duplex floating ball valve. The duplex floating ball valve comprises a valve body, two balls are arranged in the valve body, valve seats are arranged at the left end and theright end of each ball, a first valve rod and a second valve rod are arranged at the upper ends of the two balls correspondingly, the first valve rod, the second valve rod and the balls are rotationally connected with the valve body, a first rotary disc is arranged at the upper end of the first valve rod, and a second rotary disc is arranged on the second valve rod. According to the duplex floating ball valve, the two balls are connected in series, the valve is controlled through the two balls, a third rotary disc is arranged, the third rotary disc can be operated to rotate, the first rotary disc and the second rotary disc are driven to rotate at the same time, and the two balls are adjusted at the same time.

Description

technical field [0001] The invention relates to a valve, in particular to a double floating ball valve. Background technique [0002] The ball of the ball valve is floating. Under the action of medium pressure, the ball can produce a certain displacement and press tightly on the sealing surface of the outlet end to ensure the seal of the outlet end. The main features of the ball valve are its compact structure, reliable sealing, simple structure, and convenient maintenance. The sealing surface and the spherical surface are often in a closed state, which is not easily eroded by the medium, easy to operate and maintain, and is suitable for general work such as water, solvent, acid, and natural gas. It is also suitable for media with harsh working conditions, such as oxygen, hydrogen peroxide, methane and ethylene, etc., and has been widely used in various industries. The ball valve body can be integral or combined. However, in the traditional pipeline, the connection form of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K31/53F16K31/60
CPCF16K5/0605F16K5/0647F16K31/535F16K31/60
Inventor 章文忠
Owner HUBEI TAIHE PETROCHEM EQUIP
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