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@FluidPowerUser- Thank you very much, that sounds like a very logical way to proceed.

@FluidPowerUser- Thank you for some good advice. So lets say I first fill the pump with fluid. I then attach my hoses and start pumping. Would I then periodically open the cap to check if my tank is below half. Add Fluid. Open the bleed valve and pump until my jacks start to go up to their...

@LittleInch I am new at this and I am not sure what additional information you would need. But here is what I can say: This is what I was planning, but am not familiar with the process of adding oil without letting air in. Enerpac P391, Single Speed, Hydraulic Hand Pump, 901cm³, 25.4mm Cylinder...

@3DDave- Thanks for the fast response. I had an idea that something like that may be needed. Do you know of any cheaper options?

This is a real newbie question as I have never worked on a hydraulic system before. So I am planning a 4 point lift with a single acting pump and about 10 feet of hose on each. I was thinking that I would need more oil that what fits in the pump reservoir. So the question- How do you add fluid...

@FluidPowerUser- Thanks again for your awesome & prompt support. If you know of another brand besides Enerpac that you would recommend that will be reliable at a better price, let me know.

@FluidPowerUser- I worked through the problem and was off your numbers in two places- not sure what I did wrong. Sample Problem: The tank empty weight + contents = 25 tons = 245000N or 24983.05 kg/force. F= MA F = 25 t = 25,000 kg x 9.81 =245,250 =2405kN 2405kN / 4 = 626kN on each jack...

@Compositepro- Thanks for your feedback. FluidPowerUser did warn me about that. What I am pprepared to do in order to minimize that effect is to have a needle valve on each line and move them one at a time. Also- the load cells are wired in parallel, so if one load cell gets more force than one...

@FluidPowerUser- Thanks for your continuing support. I will try to work through these problems myself so that it sinks in better.

@FluidPowerUser- First I really appreciate the time & effort you have already given to me. I hope my lack of knowledge is not too frustrating for you. Yes- I am trying to measure the mass of the vessel, but more importantly the weight of the material inside or the vessel. The weight indicator...

@FluidPowerUser- Thanks for the fast response to my question. Let me explain a little more and please forgive my lack of basic hydraulics knowledge. 1- A more detailed explanation of the process- I forgot to mention that I was planning to add a needle valve on each manifold. I would start the...

I am looking to jack up a process vessel / tank / silo on load cells. The purpose to move the tanl just a few milimeters to help verify the accuracy of the load cells. I am in the process weighing vessel industry and know nothing about hydraulics. Whay I hope to do is to have a manual pump...

I am not a structural engineer but am often asked to recommend Tank mounting kits for seismic areas. I have a calculator that I use that calculates Horizontal and uplift forces. We sell mounting kits and load cells that are sometimes sold into seismic zones. Our calculator has input for many...