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Constant pressure three-way regulating valve

A technology of three-way regulating valve and valve body, which is applied to multi-way valves, valve details, valve devices, etc., can solve problems such as container deformation and rupture, achieve constant pressure, increase utilization, and reduce equipment manufacturing costs.

Active Publication Date: 2017-01-11
JIANG SU YAN DIAN FA MEN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because when the liquid level in the container changes, the pressure inside the container will change accordingly, so there will be a difference between the pressure inside the container and the atmospheric pressure outside the container. When the difference exceeds a certain limit, it will easily cause deformation or even rupture of the container, thereby cause an accident

Method used

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Embodiment Construction

[0013] The technical solution of the present invention will be further described with the following embodiments in conjunction with the accompanying drawings.

[0014] Such as figure 1 , figure 2 As shown, the constant pressure three-way regulating valve includes a handle 1, a valve body 4, a valve core 3, a valve stem 2, and a pressure detection device. A valve core 3 is installed in the cavity of the valve body 4, and one end of the valve stem 2 is fixed. Inserted on the valve core 3, the other end of the valve stem 2 is hinged with the handle 1; the valve body 4 is provided with two liquid outlets and one liquid inlet, and the liquid outlet and the liquid inlet are respectively Both are connected with liquid outlet pipelines 5, 7 and liquid inlet pipelines 6, said liquid outlet pipelines and liquid inlet pipelines are equipped with pressure detection devices, and are connected with a frequency converter 9, and said frequency converter 9 is also connected with a pressure p...

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Abstract

The invention discloses a constant pressure three-way regulating valve which comprises a handle, a valve body, a valve core, a valve rod and pressure detection devices. The valve is characterized in that the valve core is installed in a valve chamber, and one end of the valve rod is fixedly spliced on the valve core while the other end of the valve rod is hinged with the handle; the valve body is provided with two liquid outlets and a liquid inlet, wherein the liquid outlets and the liquid inlet are respectively connected to liquid outlet pipelines and a liquid inlet pipeline. The liquid outlet pipelines and the liquid inlet pipeline are provided with the pressure detection devices and are connected with a frequency converter. The frequency converter is further connected with a pressure pump. The valve has the characteristics of simple and convenient structure and low manufacturing cost.

Description

technical field [0001] The invention belongs to the field of valves, in particular to a constant pressure three-way regulating valve. Background technique [0002] In the fields of petrochemical, electronics, semiconductor, metallurgy, etc., sealed equipment is required to prevent the solution from contacting with external substances such as air during storage, which will cause the solution to be polluted and the quality of the solution to decline. When using a sealed container, it is necessary to consider the impact of the fluctuation of the liquid level in the container on the normal use of the container. Because when the liquid level in the container changes, the pressure inside the container will change accordingly, so there will be a difference between the pressure inside the container and the atmospheric pressure outside the container. When the difference exceeds a certain limit, it will easily cause deformation or even rupture of the container, thereby cause an accid...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/00F16K31/12
Inventor 孙德林马正平李海伟顾世军康邦华刘麟郝崇高
Owner JIANG SU YAN DIAN FA MEN CO LTD
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