Compact pneumatic press for CRI and CRIN ball valves

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Tool to recover the tightness of the ball valve of CRI and CRIN common rail injectors.
It is not a grinding operation to remove hardened metal from the conical seat: the principal is to keep the treatment of the conical surface and compact its molecoles by a strong shot on a geometrically accurate sphere made of hard metal.
A set of 10 pcs of these balls is provided with the machine.
Each ball can be used for 100 shots and have not to be confused with the balls normally used as spare part.