Leak-proof fluorine-lined wafer butterfly valve

The utility model discloses a leakproof fluorine lining wafer butterfly valve which comprises a valve body, a valve rod is arranged on the vertical center line of the valve body, a linkage seat is arranged at the top, penetrating through the valve body, of the upper end of the valve rod, a butterfly...

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Bibliographic Details
Main Author NIU GUIFENG
Format Patent
LanguageChinese
English
Published 17.01.2023
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 leakproof fluorine lining wafer butterfly valve which comprises a valve body, a valve rod is arranged on the vertical center line of the valve body, a linkage seat is arranged at the top, penetrating through the valve body, of the upper end of the valve rod, a butterfly plate is arranged on the portion, arranged on the inner ring of the valve body, of the valve rod in a sleeved mode, and a shell is arranged on the portion, connected with the top of the valve body, of the valve rod. Two fixing grooves are symmetrically formed in the inner circumferential side wall of the shell, springs are welded to the bottoms in the fixing grooves, annular supports are welded to the outer side ends of the springs, annular rubber blocks are welded to inner rings of the annular supports, annular grooves are formed in the inner rings of the annular rubber blocks in a connected mode, and the annular grooves are connected to the inner rings of the annular rubber blocks. The annular groove is formed i
Bibliography:Application Number: CN202222219889U