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7195225 |
Rotary valve assembly
The present invention is directed to rotary valve assemblies and, more particularly, to a rotary valve assembly for use in an oil and gas production system. The valve assembly comprises a movable...
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6698712 |
Ball valve assembly
The ball valve assembly 10 includes a valve body 12 , a ball 14 , a seat ring 30 , a support ring 40 , and an actuator sleeve 50 surrounding the ball and axially moveable within the valve...
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6206023 |
Ball valve including seat retainer securing means and method for forming the same
A valve includes a valve body defining a cavity and including a flange having an outer surface and a first element. The first element includes at least one of a recess defined in the outer surface...
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EP0771976B1 |
Metallic seal for stop valves
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6161569 |
Valve
A valve including a housing, a rotatable body which can turn inside the housing, and two sealing rings made of sealing material, preferably polytetrafluoroethylene or a similar plastic. The sealing...
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EP1043526A2 |
Ball seal for ball valve
The invention relates to a ball seal for a ball valve. The ball valve comprises a valve chamber (5), which is closed by welding and contains a turnable valve ball (2), an inlet and outlet channel...
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5993589 |
Breathable laminate including filled film and continuous film and method for making the same
A breathable multi-layer film laminate including microporous filled film bonded to continuous film. A support layer such as a fibrous web can be adhered to the film laminate on one or both surfaces.
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5914184 |
Breathable laminate including filled film and continuous film
A breathable multi-layer film laminate including microporous filled film bonded to continuous film. A support layer such as a fibrous web can be adhered to the film laminate on one or both surfaces.
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EP0771976A2 |
Metallic seal for stop valves
The seal has at least one annular, metallic slat (9) which is arranged in the valve housing (1) or on the flap plate (2). The slat has a radially flat ring for fastening a sealing lip (11) which...
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EP0372117B1 |
Cock with a spherical metal or ceramic plug
Abstract of EP0372117 Cock (1, 2) with a spherical plug (10), which plug is arranged with loose or fixed pivots (3, 4) or also floating in the housing in such a way that it is centred in the...
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EP0401443A1 |
Low torque ball valve.
An improved low torque ball valve (10) has a pair of oppositely arranged thin washer like metal seats (44,46) in a "floating" arrangement. Each metal seat is free to flex over 40% to 70% of its...
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EP0372117A1 |
Cock with a spherical metal or ceramic plug.
Cock (1, 2) with a spherical plug (10), which plug is arranged with loose or fixed pivots (3, 4) or also floating in the housing in such a way that it is centred in the longitudinal and normal axis...
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4911409 |
Ball valve
There is disclosed a ball valve which includes a ball closure rotatably mounted within a cavity formed in a main portion of the valve body and spring pressed against a seat ring on one side of the...
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4815700 |
Ball valve with improved seals
A ball valve of the floating ball variety is provided. Improved sealing subassemblies each comprising a floating seat retainer and a corresponding flexible metallic seat ring provide reliable...
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