Looking for Hydraulic Hand Pump - Screw type

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Note that the screw type pump -- at least that shown on the Enerpac page -- only goes up to 3,000 PSI, while the lever style pumps can go up to 10,000 PSI. Is 3,000 PSI sufficient for your needs?

If it is -- you have found the Enerpac listing. You can check for dealers in your area. MSC sells Enerpac products, and even if it is not in the catalog, phone them and ask. They will probably get it for you.

Or are you looking for a used one to save money? Note that most people seem to buy the lever style for the extra PSI rating -- so this may (and probably will) affect what you will find used.

Good Luck, DoN.

yes, I realize that.

yes, 3,000 psi is sufficient, but no less.

A regular Enerpac dealer cannot get it. It is a special line and the pumps are made to order...2-4 wks. for delivery, plus they list at ~ $450.

Used is fine, but I'm looking for this type/style of pump, not necessarily the Enerpac or Destaco one. Surely there are other mfrs. in the U.S., or a similar pump made overseas, for less than $350.

The lever type pumps start at $200, so nearly double that for a screw pump is pretty steep IMHO.

Paul

Jergens and Carr-Lane both make this type of pump, and maybe Stilson. It's worth checking, but I tend to doubt they'll be a lot cheaper.

Huh, Carr-Lane has prices on line.

R900SP ... $361 R901SP ... $418

Both in stock.

Here's Jergens, though it may be the same stuff as Destaco.

Ned Simmons

Hi Ned,

Thanks for that info. The Jergens search engine leaves much to be desired. Entering manual, pump, hand, screw all turned up nothing, but I finally found the pump. You are right, it's identical to the Destaco. Oh well, thanks anyway! Best,

Paul

Of course you did. That was *your* text which I had quoted which you just replied to. :-)

O.K.

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I think that in part, the screw types have to have less leakage, since they are not multiple stroke. This (plus the larger piston and seals) probably accounts for at least some of the price.

If money really means that much to you, you could try making your own. If nothing else, this would probably appreciate why they cost so much. :-)

Good Luck, DoN.

Less leakage is what I need...I hadn't thought about that vs. the lever types. Thank you for enlightening me.

I can afford the $350 or whatever, but I thought I could find one much cheaper. Guess not.

Best,

Paul

What volume of fluid do you need? Bore and stroke of you cylinder? Is the physical size of the pump critical? I'm thinking a second cylinder with an acme rod and handwheel as the pump. If you don't need much volume, you could use the cylinder from a cheapy bottle jack and use the screw extension as the motive force. Within the proper framework, of course.

On Tue, 15 Jun 2004 22:51:36 GMT, chisel calmly ranted:

Try

, though I don't know if it'll be cheaper.

How about mounting an el-cheapo hydraulic cylinder from

in a frame and using an acme threaded rod to move the shaft? One cylinder acts directly on the other from hydraulics via rotary motion.

It'll cost you. ;) You'll have to send a picture of what you end up with to the dropbox.

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Hi Larry,

Not sure exactly what you mean...I need to have a gauge somewhere in there so I can see how many psi I'm exerting.

Would this be possible in your setup? I have a cylinder I could use and I have the acme rod...

No problem, but it may be a while!

Paul

On Thu, 17 Jun 2004 23:26:04 GMT, chisel calmly ranted:

Sure, use 2 shorter lines for the main hydraulic line and tee off that. What size and what application do you have?

BTW, the price for a 4 ton porta power from HF this month is $69.99, including jack-style power cylinder. For $300, you could buy one of those, add a gauge, and convert it to air-over-hydraulic action.

There ya go!

So send a drawing in the interim, whatever you settle on.

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Thanks!