External screw connecting pneumatic three-way adjustable rotary segmental core seal valve

The external thread-connected pneumatic three-way sealing valve with adjustable rotating fan-shaped valve core welded to the valve body has one external thread pipe welded to the valve body and one pneumatic rotating mechanism to drive valve core to rotate by 90, 180 or 270 deg depending on the posi...

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Bibliographic Details
Main Authors YANYAN JI, JIANLIAN WANG, ZHUHUA JI
Format Patent
LanguageEnglish
Published 27.04.2005
Edition7
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 external thread-connected pneumatic three-way sealing valve with adjustable rotating fan-shaped valve core welded to the valve body has one external thread pipe welded to the valve body and one pneumatic rotating mechanism to drive valve core to rotate by 90, 180 or 270 deg depending on the position of the three-way unit and may be used in milk product pipeline of 250 deg.c temperature. The valve core is in slightly eccentric cam structure and the valve body is completely sealed. In case of worn movable fan-shaped sealing surface, the slightly eccentric cam is trimmed with the hexagonal socket in the mandril to reach sealing aim directly without need of cutting of the valve body welded to the pipeline. The present invention has compact structure, beautiful outer appearance, small size, light weight and other advantages and may be switched into one inlet and one or two outlets. The present invention is used in controlling the flow rate of various medium, especially milk product, oil, etc.
Bibliography:Application Number: CN2004166950