Pottery double -gate board feed valve

The utility model provides a pottery double -gate board feed valve, includes that two side flanges, middle valve body, graphite gaskets, O type circle, valve rod, packing box combination, gland, ceramic valve seat, pottery porcelain ring, metal disc flashboard, spring holder, support top rod, stand,...

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Bibliographic Details
Main Authors ZHANG RENHONG, WANG ZEQIANG
Format Patent
LanguageChinese
English
Published 25.01.2017
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 provides a pottery double -gate board feed valve, includes that two side flanges, middle valve body, graphite gaskets, O type circle, valve rod, packing box combination, gland, ceramic valve seat, pottery porcelain ring, metal disc flashboard, spring holder, support top rod, stand, pneumatic actuator and hexagon socket head cap screw stud bolts and nuts that the metal was made form. Metal disc flashboard and pottery porcelain ring form pottery double -gate board feed valve's flashboard jointly, and pottery porcelain ring and ceramic valve seat have formed a pair of ceramic sealing pair, pneumatic actuator promotes valve rod and spring holder and drives the flashboard to reciprocate, accomplishes the switch motion of valve, and in the motion process of flashboard, the spring makes the flashboard hug closely on the ceramic valve seat surface through support top rod, and the assurance is sealed reliable and stable, simultaneously because the effect flashboard of frictional force produces the ro
Bibliography:Application Number: CN20162599825U