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The butterfly valve element 2011-12-08
A butterfly valve including a housing having a hollow passage defining a flow path and a shaft mounted to the housing and extending transversely across the flow path. The shaft defines an axis of rota
A butterfly valve for opening and closing an opening in a conduit 2011-12-07
An annular inflatable sealing member located in said housing, said annular inflatable sealing member made from an elastomer material, said annular inflatable sealing member having elastomer legs that
A butterfly-type valve 2011-12-06
The present invention relates to valves of the type having a pivoted throttle plate or butterfly member and particularly valves of this type which are employed for valving flow from a single inlet to
Butterfly valve typically 2011-12-05
This invention relates to a butterfly valve and a method for making same.
An improved butterfly valve 2011-12-02
An improved butterfly valve for intercepting a conduit where substances flow, especially suitable for the pharmaceutical, alimentary and chemical fields The valve comprises an annular body integral wi
A butterfly valve for a media 2011-12-01
A butterfly valve for a media under high pressure and/or at high temperature including a housing provided with a passage for the medium, a butterfly arranged as a shut-off member within the passage, a
A butterfly disk 2011-11-30
A butterfly valve, comprising a housing containing a through-opening; a butterfly disk which is opened or closed by rotation of the butterfly disk on a shaft connected to the housing so that contact b
An annular valve body 2011-11-29
A butterfly valve comprising an annular valve body, a ring-shaped elastic valve seat fitted to an inner circumference of the valve body, said valve seat having diametrically opposed openings.
