Balanced type multipurpose valve with cut-off, non-return and adjusting functions

A balanced, multi-purpose valve technology, applied in the direction of lift valve, control valve, valve device, etc., can solve the problems of inconvenient operation, large pipeline space, increase production cost, etc., achieve easy operation, reduce production cost, reduce operation force effect

Active Publication Date: 2014-03-26
辽宁锦高阀门有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cut-off regulating valve and the check valve are respectively used, which occupy

Method used

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  • Balanced type multipurpose valve with cut-off, non-return and adjusting functions

Examples

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Example Embodiment

[0017] As shown in the figure, the balanced cut-off check multi-purpose valve includes a valve body 1, an end flange 26 welded to the inlet and outlet of the valve body 1, a valve seat 3 and a valve disc arranged in the valve body 1, The bonnet 11 that is screwed to the upper part of the valve body 1 and fixed by the set screw 25 is threaded to the bracket 14 on the top of the bonnet 11 and the valve stem 12. The bracket 14 is built with a valve stem nut 15 that matches the valve stem 12 and Press against the thrust ball bearing 16 on the valve stem nut 15. The upper part of the thrust ball bearing 16 is pressed by the bearing gland 17 and fixed by the set screw 23. Handle 19, the upper part of the operating handle 19 is limited by a lock nut 20 and a set screw 21, the top of the valve stem 12 is locked and positioned by a lock handle 18, and oil is set on the bracket 14 corresponding to the position of the thrust ball bearing 16. Cup 24. Rotate the operating handle 19, the v...

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Abstract

The invention provides a balanced type multipurpose valve with cut-off, non-return and adjusting functions. The balanced type multipurpose valve comprises a valve body, end flanges, valve seats, valve clacks, valve decks, supports and valve rods, wherein valve rod nuts are arranged in the supports, and operating handles are installed on outer surfaces of upper portions of the valve rod nuts. The valve is characterized in that each valve clack is formed by a cut-off valve clack body and a non-return valve clack body, the lower portion of each valve rod penetrates through the corresponding valve deck and is fixed to the top end of the corresponding cut-off valve clack body in a hooked and combined mode, each non-return valve clack body is provided with a circular-cone-shaped head portion, the circular-cone-shaped head portion of each non-return valve clack body is matched with the lower portion of the corresponding valve seat to be sealed, the tail of each non-return valve clack body is inserted into the bottom of each cut-off valve clack body, the circular conical surface of the bottom end of each cut-off valve clack body is matched with the upper portion of the corresponding valve seat to be sealed, an axial balanced hole is formed in each cut-off valve clack body, L-shaped through holes enabling the balanced holes to be communicated with the outside of the valve body are formed in the tails of the non-return valve clack bodies, and inverted-L-shaped through holes enabling the balanced holes to be communicated with an inner cavity of the upper portion of the valve body are arranged in the bottoms of the valve rods. The cut-off, non-return and adjusting functions can be all achieved on the same valve, the valve has multiple purposes, pipeline operating space is saved, and production and manufacturing cost is reduced.

Description

technical field [0001] The invention relates to a balanced cut-off valve, in particular to a balanced cut-off and check-adjusting multi-purpose valve, which is widely used in industries such as petroleum and chemical industry. Background technique [0002] At present, cut-off regulating valves and check valves are often used in the production pipelines of petroleum, chemical and other industries, so as to realize the cut-off, adjustment and check functions respectively. The cut-off regulating valve and the check valve are respectively used, which occupy a large pipeline space, are inconvenient to operate, and increase the production cost. Contents of the invention [0003] The object of the present invention is to provide a multi-purpose balanced cut-off check valve with multiple functions. [0004] Technical scheme of the present invention is: [0005] A balanced cut-off and non-return regulating multi-purpose valve, comprising a valve body, end flanges arranged at the ...

Claims

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Application Information

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IPC IPC(8): F16K1/00F16K1/36
CPCF16K1/36F16K1/48F16K15/18
Inventor 王子雷
Owner 辽宁锦高阀门有限公司
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