What Pump Do I Have...

[oldnslo]

DL
I think you will find splitters being built today will also be falsely rated for capacity. Walking through big box store last night and saw a 24 Ton with what looked like 4 inch cylinder. Suspect most people don稚 care about ratings as long as the splitter works for them.

 

[WranglerX]

DL
I think you will find splitters being built today will also be falsely rated for capacity. Walking through big box store last night and saw a 24 Ton with what looked like 4 inch cylinder. Suspect most people don稚 care about ratings as long as the splitter works for them.

I've heard that comment may times from locals.... And I probably believe it, but for my experience and resurrecting this old lady I am just tying to find more information so I don't violate any capacity issues if I have to replace "parts".... Just tying to determine design parameters to stay within safety regions of original build...

Dale

 

[aczlan]

Aaah.... Clarity... I was under impression pump had relief valve for its protection, but I see that a pump that is capable of 3000 psi is just stating safe or capable operation range... I was under impression the unloader valve for the double gear pump was actually a pressure relief valve, my mistake.... I now see where "relief valve" is actual in directional control valve... This sketch is actuality in manual but it didn't register with me (till your comment) that the relief valve in directional control valve determined max pressure in system........

View attachment 666788

Yes, still new to hydraulics...

Dale

I would put a tee between the pump and the valve and put your gauge there.
That way you can see pressures for extending or retracting.

Aaron Z

 

[WranglerX]

Well DUH!.... Got response from Energy MFG.... Only thing they had to say was they have a replacement valve that is 2000 psi.... Not a lot of help.... Was hoping for pressure specs of existing valve by part number...

A 2000 psi valve and a 4 inch ram puts splitter down to around 12 ton.... Either I am going to have to put a pressure gauge on system to see what operating pressure actually is or blindly accept the "Control Valve -3000 psi" statement in parts list and if valve ever fails get a valve that can be adjusted to 3000 psi or find a valve with already set to 3000 psi...

Still sort of leaves me in the dark...

Thanks all for your advice and suggestions...

Dale

 

[triptester]

Splitter manufacturers assemble hydraulic parts manufactured by other companies. They assign their own part numbers to these components.
Splitter ratings are usually based on the spike pressure readings that happen for a split second before the relief can react
Hydraulic cylinders and valves are typically rated at 2500 or 3000 psi when rated for higher pressures they are used in specialty areas like airplanes and the cost doubles or triples.

 

[WranglerX]

Splitter manufacturers assemble hydraulic parts manufactured by other companies. They assign their own part numbers to these components.
Splitter ratings are usually based on the spike pressure readings that happen for a split second before the relief can react
Hydraulic cylinders and valves are typically rated at 2500 or 3000 psi when rated for higher pressures they are used in specialty areas like airplanes and the cost doubles or triples.

Yeah...

I have come to conclusion to go with it as is.... What was driving questions was it has tiny seep of oil at threads into valve body from retract side of cylinder, and was contemplating removing control valve and replacing nipple with a new one as it appears valve body is not exactly parallel to ram .... ..Sort of looks like there may be a cross thread issue where nipple goes into valve body (molested by some previous owner - pipe wrench marks on nipple) ...Biggest concern was I would have to replace control valve if I could not get seep to stop because of damaged threads in control valve... Since it only barely drips a little oil if I override the auto retract release feature and hold it into full retract does it seep..... Think I'm just going to manual release the retract before it hits auto release and not worry about valve pressure or how control valve is connected to ram at this time...

Considered add pressure gauge but pricing it out at about $25 to $35 for gauge and fittings (plus shipping) does not seem worth while at this time for a one time discovery (pressure reading).....

Dale