Freeing of seized valves

Details Freeing of seized valves Freeing of seized valves

F - Mech Eng,Light,Heat,Weapons

16

N

F16N 1/00 (2006.01) C10M 107/02 (2006.01) C10M 113/12 (2006.01) C10M 129/72 (2006.01) C10M 147/02 (2006.01) C10M 169/04 (2006.01) F16K 3/36 (2006.01) F16K 29/00 (2006.01) F16N 15/00 (2006.01)

Patent

CA 2374778

In order to free a seized valve, an inspection port (52) is formed in a wall of the valve body and the areas where the valve is seized are determined. One or more injection ports (54) are formed in the valve body adjacent to the seized portions of the valve, pressurised fluid (preferably an insoluble lubricant having a very high cone penetration) is injected through the or each injection port and the injection ports are then closed.

Pour libérer une soupape grippée, un orifice d'inspection est formé dans une paroi du corps de la soupape et les zones où la soupape est bloquée sont déterminées. Un ou plusieurs orifices d'injection sont formés dans le corps de la soupape juste à côté des parties bloquées de la soupape, et du fluide sous pression (de préférence un lubrifiant insoluble ayant une pénétration au cône très élevée) est injecté par le ou les orifices d'injection puis ces derniers sont fermés.

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