Three-in-one hard sealing two-way hydraulic butterfly valve

A three-in-one hard sealing two-way hydraulic butterfly valve comprises a valve body (1), a valve rod (2) and a valve seat (3), wherein the valve body (1) is internally provided with a groove, a gap is reserved between the valve seat (3) and the valve body (1), a butterfly plate is connected with th...

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Bibliographic Details
Main Author GU YUNGUI
Format Patent
LanguageChinese
English
Published 18.05.2011
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 three-in-one hard sealing two-way hydraulic butterfly valve comprises a valve body (1), a valve rod (2) and a valve seat (3), wherein the valve body (1) is internally provided with a groove, a gap is reserved between the valve seat (3) and the valve body (1), a butterfly plate is connected with the valve rod (2) and rotates along with the valve rod (2), the valve body (1) is provided with a split pressing ring (4), and the valve seat (2) is embedded between the split pressing ring and a flange (5) of the valve body (1). A plurality of high-speed springs are arranged between the valve seat (3) and the top surface contacted with the flange of the valve body (1). The sealing surface of the valve seat (3) and a valve plate has an oblique circular cone structure. The three-in-one hard sealing two-way hydraulic butterfly valve has the following beneficial effects: a three-dimensional eccentric structure is provided, and the two-way sealing is conducted, so that the sealing property of the valve when the medium fl
Bibliography:Application Number: CN20102546434U