Norskhydro Asa

Steinar Wighus

Dagfinn Sveen

Haakon Høimyr

An arrangement or provision of a sensor or probe () for the measuring of a physical or chemical condition such as pressure, temperature or corrosion in a pipe (), tank or tubular container being provided with a connection such as a flange connection () between the pipe, tank or tubular sections. The sensor or probe () is provided in conjunction with a gasket such as a ring gasket () which is used as a seal between the pipe (), tank or tubular sections. The probe or sensor element is provided on an inner face of the ring gasket facing the inside of the pipe, tank or tubular sections. Electrical connectors () for transforming signals from the probe or sensor element () are provided in a bore or bores () that stretches from the sensor or probe and through the gasket or ring gasket () and to the outside of the gasket.

Arrangement or provision of a sensor or probe for the measuring of a condition in a pipe or the like

A device for connection or suspension between a detachable flexible or semi-flexible riser pipe (4) and a pipe system (14) on a fixed or floating platform or ship (15) has a rotary connection which is designed in such a way that the connection between the riser pipe (4) and the pipe system (14) is moment-free or mainly moment-free. The rotary connection may appropriately have a swivel housing (3) which, on one side, is fitted with a first tubular shaft (1) which is connected to the pipe system (14) on the platform or ship and, on the other side, is fitted with a second tubular shaft (2) which is arranged in a swivel housing at an angle of 90.degree. to the first tubular shaft (1) and which is connected to the riser pipe (4). The two shafts (1, 2) communicate with each other via a cavity in the swivel housing (3), but are closed to the surroundings at their ends.

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Slemmestad, Norway

Steinar Wighus