Flat gate valve without deflector hole

Disclosed is a flat gate valve without deflector hole, which relates to a valve for pipelines. The flat gate valve without deflector hole comprises a valve body, two valve seats arranged in the valve body and a disc sandwiched between the two valve seats. The flat gate valve without deflector hole i...

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Bibliographic Details
Main Authors SHI LIMIN, QUAN YUHUA, GONG WANGJUN, ZENG SHOUPING, ZHANG JUNPING, XU DANHONG
Format Patent
LanguageChinese
English
Published 30.09.2009
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:Disclosed is a flat gate valve without deflector hole, which relates to a valve for pipelines. The flat gate valve without deflector hole comprises a valve body, two valve seats arranged in the valve body and a disc sandwiched between the two valve seats. The flat gate valve without deflector hole is characterized in that waist limiting blocks are arranged on the waists of the two valve seats, a bottom limiting part is arranged between the bottoms of the two valve seats, and the lower end of the disc is a circular arc crescent lower end which is in accordance with the inner diameters of the valve seats. The utility model has the advantages that the valve seats can not tilt and a sealing surface is small in damage and long in service life. Besides, the utility model is small in open torque and convenient in use.
Bibliography:Application Number: CN20082223402U