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Dear Adrian; Good Morning.! Regarding to your question, I will comment you how pump is working; It´s working in a Hydraulic Test Bench that supplies high flow and pressure for actuators, pumps and valve testing. The test bench has two major parts; Power Part: Here is Parker-Dennison Variable...

Dear Adrian; First all, I want thank you for you posts, which are very helpful for me. Today, we runs the pump. When we achieve 27 gpm with 3000 psi system pressure, we observed that the stroke position indicator, remains in full (F) position, without any movement. It´s to say, how can I...

Dear Adrian; Thank you for your reply.! I know that our pump is very old, but it has a few running hours, so internally it is new. Without pressure accumulated we are reaching 60 gpm, but when set up 3000 psi the flow goes down to 27 / 30 gpm approximatelly. What do you think.? High internal...

Hi Members; This is my first post on the forum. I would be grateful your help to explain me how to read the attached variable displacement axial piston pump Performance Curves. It graph corresponds to a P11V hydraulic pump. We are having problems to reach the nominal flow and pressure values...