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 - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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