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Penetrating type fully-sealed gate valve

A fully-sealed, plug-in valve technology, used in sliding valves, valve details, valve devices, etc., can solve the problems of poor sealing effect of plug-in valve, affecting sealing effect, etc., to improve service life and sealing effect, and improve sealing performance. , improve the effect of technical effect

Pending Publication Date: 2021-06-25
JIANGSU JINGTAI PETROCHEM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The main purpose of this application is to provide a through-type fully-sealed flapper valve to solve the problem of the poor sealing effect of the flapper valve in the related art, which is not suitable for vacuum and gas-containing working conditions, and the granular medium is in contact with the sealing ring for a long time. , the problem that affects the sealing effect

Method used

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  • Penetrating type fully-sealed gate valve
  • Penetrating type fully-sealed gate valve
  • Penetrating type fully-sealed gate valve

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Embodiment Construction

[0021] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiment of the application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the application. Obviously, the described embodiment is only It is an embodiment of a part of the application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the scope of protection of this application.

[0022] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It should be understood that the data so used may be interchanged under appropriate circumstances for...

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Abstract

The invention discloses a penetrating type fully-sealed gate valve. The penetrating type fully-sealed gate valve comprises a valve body, a valve seat, a valve plate and a telescopic assembly. The valve body is arranged on the valve seat, through holes used for medium circulation are formed in the valve body and the valve seat, and a gap used for linear motion of the valve plate to close or open the through holes is formed between the valve body and the valve seat. The telescopic assembly is arranged at the upper end of the valve body, and the output end of the telescopic assembly is fixedly connected with the upper end of the valve plate. A first sealing layer and a second sealing layer are sequentially arranged on the opposite faces of the valve body and the valve seat from inside to outside, and the first sealing layer and the second sealing layer are both located on the two sides of the valve plate and are arranged on the side faces of the valve plate in a sealed mode. The penetrating type fully-sealed gate valve solves the problems that in the related technology, a gate valve is poor in sealing effect and not suitable for vacuum and gas-containing working conditions, and the sealing effect can be affected due to the fact that granular media make contact with a sealing ring for a long time.

Description

technical field [0001] The present application relates to the technical field of valves, in particular to a through-type fully-sealed gate valve. Background technique [0002] The gate valve is also called the knife gate valve. The knife gate valve is a valve in which the gate and the valve seat are always in close contact and sealed. The principle is that there is a round opening with a diameter on the gate. The round opening on the gate is completely separated from and coincident with the bore. The advantage of this valve is that there is no groove in the bore of the valve body, the medium will not be blocked and blocked, and it has full-bore flow characteristics. Its sealing structure can be divided into soft seal and hard seal structure. The penetrating knife gate valve is characterized by its precise structure, good craftsmanship, and compact structure. The valve seat is a movable structure designed with anti-wear and automatic compensation functions, so it has a longe...

Claims

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Application Information

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IPC IPC(8): F16K3/314F16K3/30F16K27/04F16K3/02B32B1/08B32B5/02B32B27/32B32B27/06B32B3/26B32B33/00
CPCB32B1/08B32B3/26B32B5/02B32B27/06B32B27/32B32B33/00F16K3/0218F16K3/0227F16K3/30F16K3/314F16K27/044
Inventor 张玉峰
Owner JIANGSU JINGTAI PETROCHEM EQUIP CO LTD