A Low Operating Torque High Pressure Globe Valve
A technology for operating torque and stop valves, which is applied in the direction of valve operation/release devices, valve details, valve devices, etc., and can solve the problems of unsuitable two-way pressure-bearing environment, etc., and achieve the effect of small operating torque and reliable sealing
Active Publication Date: 2020-07-24
泰州市龙瑞阀业有限公司
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- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The installation and use of the former internal bypass globe valve requires that the valve inlet and outlet are opposite to the traditional form, while the latter plunger-type globe valve has a one-way pressure self-balancing structure, neither of which is suitable for two-way pressure-bearing environments
Method used
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Embodiment Construction
[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0014] Such as Figure 1-2 Shown is a preferred embodiment of the present invention.
[0015] A low operating torque high pressure globe valve comprising
[0016] Valve body 1, the valve body 1 is provided with a flow chamber 101 connecting the left and right ends, the valve body 1 is provided with a first installation chamber 102, a second installation chamber 103 located on the same axis and used to communicate with the first installation chamber 102 and The first through hole 104 of the second installation cavity 103 is provided with a third installation cavity 1 a at the upper end of the valve body 1 .
[0017] The left valve cover 2 a is fixedly installed on the left end of the valve body 1 , and the left valve cover 2 a is provided with a first flow passage 2 a 1 communicating with the flow cavity 101 .
[0018] The right valve cover ...
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The invention relates to a low operation torque high pressure stop valve. The low operation torque high pressure stop valve comprises a valve body, a left valve cover, a right valve cover, a left valve clack, a right valve clack, a first check valve, a second check valve, a third check valve, a fourth check valve and a three-way ball valve, wherein a through-flow cavity, a first installing cavity,a second installing cavity and a third installing cavity are formed in the valve body, the left valve cover and the right valve cover are correspondingly and fixedly installed at the two ends of thevalve body, the left valve clack and the right valve clack are correspondingly arranged in the first installing cavity and the second installing cavity, the first check valve, the second check valve,the third check valve and the fourth check valve are all arranged at the upper end of the valve body, and the three-way ball valve is arranged in the third installing cavity. The low operation torquehigh pressure stop valve is small in operation torque, reliable in sealing, strong in pressure endurance capability and compact in structure, and can be used in two directions.
Description
technical field [0001] The invention belongs to the technical field of pipeline valves, in particular to a low operating torque high pressure cut-off valve. Background technique [0002] Globe valve refers to the valve whose closing disc moves along the center line of the valve seat, and mainly plays a role of cutting off the pipeline. Due to its small friction between sealing surfaces during opening and closing, long service life, small opening height, low manufacturing cost, and easy maintenance, it is widely used in petrochemical, shipbuilding, power station, metallurgy, marine engineering and other fields. When the traditional globe valve closes the valve, because the disc is affected by the inlet pressure of the valve body, the operating torque of the valve is relatively large, and it is aggravated with the increase of the pressure of the valve medium and the increase of the diameter, which seriously restricts the operation of the globe valve under high pressure. , App...
Claims
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IPC IPC(8): F16K11/20F16K27/00F16K31/60
CPCF16K11/20F16K27/00F16K31/60
Inventor 不公告发明人
Owner 泰州市龙瑞阀业有限公司