Ventilation butterfly valve

A ventilation butterfly valve comprises a valve rod, a butterfly plate and a plastic valve body, wherein the butterfly plate comprises a metal substrate, and the metal substrate is completely coated with a layer of plastic. According to the ventilation butterfly valve, the butterfly plate comprises...

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Bibliographic Details
Main Authors YE BOTONG, LU BING, XU JINCHUN
Format Patent
LanguageChinese
English
Published 19.09.2012
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:A ventilation butterfly valve comprises a valve rod, a butterfly plate and a plastic valve body, wherein the butterfly plate comprises a metal substrate, and the metal substrate is completely coated with a layer of plastic. According to the ventilation butterfly valve, the butterfly plate comprises the metal substrate, the metal substrate is completely coated with the layer of plastic, the strength of the butterfly plate is high, the butterfly plate can maintain enough strength and cannot deform under the condition of high temperature, and the sealing performance of the ventilation butterfly valve can be guaranteed.
Bibliography:Application Number: CN2012218472U