Butterfly valve pneumatic power executor

The utility model provides a butterfly valve pneumatic executer, comprising an upper flange, a lower flange, an external cylinder, a piston and a guide rod; the upper end and the lower end of the external cylinder are respectively the upper flange and the lower flange; the piston is arranged on a sp...

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Bibliographic Details
Main Author SUN ANYUAN
Format Patent
LanguageChinese
English
Published 16.04.2008
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 butterfly valve pneumatic executer, comprising an upper flange, a lower flange, an external cylinder, a piston and a guide rod; the upper end and the lower end of the external cylinder are respectively the upper flange and the lower flange; the piston is arranged on a spring in the external cylinder through a self-external wall blocking platform; a rotary shaft is connected with the piston; the other end of the rotary shaft is connected with the valve rod by passing through the lower flange; the piston is also guided by the guide rod. The butterfly valve pneumatic executer has the advantages of excellent safety, flexibility, anti-wear property, and stability, and high value of market and using popularization.
Bibliography:Application Number: CN20072154670U