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High-efficiency butterfly valve

A butterfly valve, high-efficiency technology, applied in the direction of lifting valve, valve details, valve device, etc., can solve the problem that the valve does not meet this requirement, achieve light weight, prevent leakage, and solve the effect of external leakage

Inactive Publication Date: 2016-10-12
TIANJIN OUTSHINE VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the food field is developing rapidly, and various food-grade industrial accessories are urgently needed. However, the country has high requirements for equipment accessories used in the food field, and many valves cannot meet this requirement.

Method used

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Examples

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Embodiment Construction

[0022] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0023] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention Creation and simplification of description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should no...

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PUM

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Abstract

The invention provides a high-efficiency butterfly valve, the lower valve seat is located on the lower valve body, the upper valve seat is located above the middle valve body, and the upper valve body is located on the On the upper valve seat, the lower valve seat is opposite to the upper valve seat, the butterfly plate is located inside the cavity of the middle valve body, and the valve stem passes through the lower valve seat longitudinally. The valve body, the lower valve seat, the middle valve body, the butterfly plate, the upper valve seat, and the upper valve body are fixed on the lower valve body and the upper valve body. Body reinforcement sleeve. The high-efficiency butterfly valve described in the invention is provided with a packing pad, a packing, and a sealing gland. The packing pad separates the packing from the upper valve body to prevent the leakage of the packing, and the packing prevents the leakage of the medium, and the sealing gland fixes the packing. , thereby solving the problem of extravasation.

Description

technical field [0001] The invention belongs to the field of valves, and in particular relates to a high-efficiency butterfly valve. Background technique [0002] Due to its simple structure, easy operation, quick opening and closing, and good flow regulation function, butterfly valves are widely used in petroleum, gas, chemical, water treatment and other fields. At present, the food field is developing rapidly, and various food-grade industrial accessories are urgently needed. However, the country has high requirements for equipment accessories used in the food field, and many valves cannot meet this requirement. Contents of the invention [0003] In view of this, the present invention aims to propose a high-efficiency butterfly valve, which ensures the safety and sanitation of food processing. [0004] A high-efficiency butterfly valve, comprising a lower valve body, a lower valve seat, a valve stem, a butterfly plate, a middle valve body, an upper valve seat, and an up...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/22F16K1/226F16K1/32F16K1/36F16K1/42F16K27/02F16K41/02
CPCF16K1/22F16K1/2268F16K1/32F16K1/36F16K27/0218
Inventor 孙志国
Owner TIANJIN OUTSHINE VALVE
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