VALVE DEVICE

摘要

The present invention relates to a valve (1) comprising at least one flange portion (2, 3) for securing to a wellhead Christmas tree (5) for shutting off a pipe outlet (50) from the wellhead Christmas tree (5). According to the invention at least one of the flange portions (2) comprises integrated devices (6a, 6b, 6, 14, 15) for operation of a second unit (10) mounted outside the valve (1).