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US3680833A
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Valve
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US3620575A
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Particulate-conveying apparatus
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GB1245494A
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Valve seat for a butterfly valve and apparatus for making the same
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US3464740A
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Axial groove conveying tube
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US3537683A
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Valve seat for a butterfly valve and method for making the same
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US3510861A
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Bin level indicator
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US3388450A
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Tool for inserting a valve seat into a valve body
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US3452961A
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Disc valve operator with compound driving linkage
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US3382930A
|
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Blast joint
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US3376015A
|
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High pressure disc valve
|
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US3306316A
|
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Disc valve and fitting
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US3288164A
|
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Bulkhead seal
|
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FR1372358A
|
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Disc valve
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FR1372298A
|
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Pipe fitting for regulating the flow of fluids
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US3276740A
|
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Valve
|
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FR1365570A
|
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Disc Type Check Valve
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US3253815A
|
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Butterfly valve seat construction
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US3156161A
|
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Pressure fluid actuated fractional rotation operator for valves and the like
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US3241806A
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Disc valve having plastic layer on resilient seating surface
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US3187776A
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Flow control pipeline fitting
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