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Author Archive for: jkummer@cinci.rr.com
Entries by jkummer@cinci.rr.com
Do you need a Fluid Power Answer?
Submit your component or application questionin the Comment Section of this Post.Thank you.
Cylinders in Series
Anonymous said… Can a single directional control valve operate 2 cylinders if each cylinder uses a breather valve instead of a return line so that one cylinder would push the other closed? November 23, 2009 6:25 AM
Reversing a cylinder
bret said… Where can i find a valve that changes the direction of a cylinder by stopping flow or presure then restoring flow or presure? I need double action on a single action circut at 70 gpm. thanks
Mono Block Valve
hydo said… Sorry but i forgot how to post a new question and just jumped in this .iam having a problem with gear pump witch is connected via a monoblock to a pressure guage.problem is that when i switch the dcv ‘on’ the guage showes 190 bar ,but for just for one secondthen it start […]
Snow Auger
Anonymous said…I have a 36 inch snow auger that needs to be run at 900-950rpms. What size hydraulic pump and motor would i need to run it. I have a 2 cylinder 13hp honda gas motor that i am going to use to power it.
Log Splitter Valve
Anonymous said…I am building a log splitter with a log lift. I have two single spool log splitter valves with detents. Can I use them both in tandem? If so is there anything besides the hose between them needed to do it?August 21, 2009 4:04 PM
Impulse Test Flow Rate
Valliappan said…I wanted to do impulse test on a cylinder in fully retracted condtion. Cylinder size Bore 100mm, Rod 60 mm, stroke 1000mm. The annular volume is 5.026 ltrs. The pressure has to be rised from zero to 410 bar in 60 mill sec and brought back to zero (sinosoidal wave). We have to do […]
Stopping a Cylinder When Pressure is Lost
NL SONI said…IT IS REQUIRED TO LOCK A VERTICAL SERVO HDRAULIC LINEAR ACTUATOR HANDLING A DEAD WEIGHT WHENEVER A LOSS OF PRESSURISED OIL SUPPLY TO THE ACUATOR. IT SHOULD INSTANTLY STOP AND GET LOCK AT THE SAME POSITION AT THE TIME OF OIL SUPPLY FAILURE.THE OPERATING PRESSURE IS ABOUT 20 BAR TO 100 BAR.KINDLY SUGGEST […]
Suction Line Oil Level
I borrowed this topic from the H & P Forum but I have seen some discussion about my posts: If positive displacement pump is running and stopped , pump is mounted on tank and suction length above oil level is 200 mm and there is no leakage in suction line and suction chamber ,whether the […]