Bidirectional sealing butterfly valve

The utility model discloses a two-way sealing butterfly valve which comprises a valve body, a valve seat, a two-way channel, a butterfly plate, a pressing disc and a valve shaft, a sealing rubber ringis arranged between the valve seat and the butterfly plate and fixed on the valve seat through the p...

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Bibliographic Details
Main Author WU YANWU
Format Patent
LanguageChinese
English
Published 03.11.2020
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:The utility model discloses a two-way sealing butterfly valve which comprises a valve body, a valve seat, a two-way channel, a butterfly plate, a pressing disc and a valve shaft, a sealing rubber ringis arranged between the valve seat and the butterfly plate and fixed on the valve seat through the pressing disc, and the two-way sealing butterfly valve further comprises a support and a bottom cover which are arranged at the upper end and the lower end of the valve body respectively. The valve body is provided with an upper copper sleeve and a lower copper sleeve which are located on the upperside and the lower side of the two-way channel respectively, the upper end and the lower end of the valve shaft penetrate through the upper copper sleeve and the lower copper sleeve respectively and are rotationally connected with the upper copper sleeve and the lower copper sleeve respectively, and the upper end of the valve shaft extends out of the support and is provided with a flat key used for being connected with a d
Bibliography:Application Number: CN202020328253U