You are looking for a pump that is not conventional as the majority of pumps and cylinders are around 2500 psi. as you obviously know. So it might be worth your while to look at putting two smaller conventional cylinders in tandem to achieve the 50 ton force. Just a thought. I work on molding presses that for the most part have gone away from one big cylinder to two smaller ones using more conventional pressure to achieve their rating. Those that use higher pressures, use a high volume pump to move the cylinder and then switch to a smaller high pressure pump to hold the cylinder at the higher pressures once full movement is achieved. Most of these are rated at 3000 psi. working pressure although they can go higher, but that means a shorter life.
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Today's Featured Article - The Fordson F Ignition System - by Anthony West. A fellow restorer contacted me earlier this year asking for some help and advice on a model F that he was restoring. He had over a period of months spent a fair amount of his hard earned cash on replacement parts for the old "trembler" ignition. Sadly though all his efforts seemed to be a waste of time and money as he still couldn''t get the temperamental old thing to run correctly!! If i said that this was a little frustrating for him that would be "conservative" in fact the problem had reduce
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