APPARATUS AND METHOD FOR INSERTION AND REMOVAL OF PROBES ARRANGED IN PIPES OR VESSELS UNDER PRESSURE

For inserting or removing a probe (13) which is subjected to high pressure in a process pipe or a tank, a nipple (12) is attached to the pipe (11) or the tank. The nipple can be secured by a cover (14) but after removing the cover a ball valve (15) can be attached to the nipple. A hydraulic cylinder...

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Bibliographische Detailangaben
Hauptverfasser:	KJETIL WANG, ROE DAG STROEMMEN, JARLE MJOEEN
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HAND TOOLS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MANIPULATORS MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS PIPES PORTABLE POWER-DRIVEN TOOLS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THERMAL INSULATION IN GENERAL TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	For inserting or removing a probe (13) which is subjected to high pressure in a process pipe or a tank, a nipple (12) is attached to the pipe (11) or the tank. The nipple can be secured by a cover (14) but after removing the cover a ball valve (15) can be attached to the nipple. A hydraulic cylinder (16) is then externally connected to the ball valve. A pressure differential can thus be created to pull the probe out or push it in through the ball valve. Once the probe has passed through the ball valve, the valve can be closed and the probe can be removed from the cylinder and replaced, if necessary. A piston may be present in the cylinder and connect to the probe through the ball valve to remove or replace said probe.