Patent ID: 6739570
Filing Date: 2004-05-25
Classification: E21B

Abstract:
A valve element for use in a safety valve, which safety valve comprises a valve casing (1), which defines a flow path (2) for fluid and a bore (3) in the same plane but transverse to the flow path, where in the bore there are movably arranged coacting oppositely directed valve elements (4) for closing the flow channel,characterised in that at least one of the valve elements (4) comprises two or more valve parts (10, 20), which can be actuated independently of each other, wherein, a first of the two valve parts of the one valve element (4) is a lower valve part (20) facing the flow path when the one valve element is in a closed position, and a second of the two valve parts is an upper valve part (10) with a lower surface slideably bearing against an upper surface of the lower valve part.