Hydraulic retriever and method for changing probes arranged in p

Details Hydraulic retriever and method for changing probes arranged in p Hydraulic retriever and method for changing probes arranged in p

1988-07-01

1990-04-17

Watson, Robert C.

Metal working

Method of mechanical manufacture

Disassembling

29252, B23P 1904

Patent

active

049167979

ABSTRACT:
A device for inserting or removing a plug and 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). 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 piston in the cylinder can be connected to the probe through the ball valve. This piston can be used to pull the plug out or push it in through the ball valve. Once the plug has passed through the ball valve, the plug can be removed from the cylinder and replaced, if necessary.

REFERENCES:
patent: 4026001 (1977-05-01), Jones

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