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In accordance with the present invention, these and other problems in the prior art are addressed by providing a valve which comprises a valve body which includes an passage that extends at least partially therethrough, a valve seat which is formed in the passage, a valve member which is movably pos...

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Bibliographic Details
Main Authors STOVSET PETTER, MAGNUS HEYN HALFDAN
Format Patent
LanguageNorwegian
Published 06.10.2005
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
JOINTS OR FITTINGS FOR PIPES
LIGHTING
MEANS FOR THERMAL INSULATION IN GENERAL
MECHANICAL ENGINEERING
PIPES
SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:In accordance with the present invention, these and other problems in the prior art are addressed by providing a valve which comprises a valve body which includes an passage that extends at least partially therethrough, a valve seat which is formed in the passage, a valve member which is movably positioned in the passage proximate the valve seat, a first sealing element which is supported on the valve member and which in a closed position of the valve engages the valve seat to block fluid flow through the passage, and a protective member which is movable relative to the valve member between a first position in which the protective member substantially covers the first sealing element when the valve is in the open position and a second position in which the protective member is retracted from the first sealing element when the valve is in the closed position.
Bibliography:Application Number: NO20040001408