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HIGH PRESSURE INDUSTRIAL PUMPS


The basic unit of currency in the Hydraulic Pump World is PRESSURE, or put more precisely - POUNDS (per) SQUARE INCH of hydraulic fluid pressure, commonly called PSI.
Luckily, the Industrial Hydraulic de facto standard has settled in at 10,000 PSI making it pretty easy to mix and match pumps, hoses, ram/cylinders, gauges and accessories.

The four popular pump styles deliver 10,000 PSI using four different means of power - ELECTRICITY, GASOLINE, COMPRESSED AIR or by HAND (physical exertion). Your best choice, depends on your usage, time demands and/or pocket book.


HAND PUMPS

Hand pumps are the least expensive but also the slowest of the pumps available. And if they are used with high volume ram/cylinders (extremely long or large diameter) they may damn well wear your arm and shoulder out before the work is done. However, if used with low to medium volume ram/cylinders, they will do the job quite well!

Industrial Hand Pumps come in 3 different flavors:

1. SINGLE SPEED - Delivers a constant flow of oil and pressure to the ram/cylinder. Fine for smaller, shorter travel, single acting spring or gravity return ram/cylinders from about 5 ton up to 30 ton capacity, then your arm starts getting sore...

2. TWO SPEED - Delivers a low pressure but high volume of oil to the ram/cylinder until the load is contacted, then an internal valve switches the pump to deliver a high pressure, lower volume flow of oil while loaded. Best for larger or longer, single-acting, spring or gravity return ram/cylinders. Saves time and physical exertion.

3. TWO SPEED w/4 WAY VALVE - Same attributes as above (#2) but the 4 Way Valve is necessary to operate double acting, push/pull ram/cylinders.

For HAND PUMP Images, Specs & Prices choose:

ENERPAC HAND PUMPS
SIMPLEX HAND PUMPS
POWER TEAM HAND PUMPS


COMPRESSED AIR PUMPS

Compressed air pumps are extremely popular in Auto Body shops, where compressed air tools and spray paint guns abound. Also, if you happen to be working in a highly flammable environment where electrical sparks could cause problems - There's no question, Go Air.
Because of their popularity in the automotive world the smaller units are VERY competitively priced for the speed/volume you are getting...

For AIR PUMP Images, Specs & Prices choose:

ENERPAC AIR PUMPS


GASOLINE POWERED PUMPS

If you always seem to be miles and miles from civilization, out in the boondocks too far from a reliable AC electrical source - Gasoline powered pumps are your best choice.

For GASOLINE PUMP Images, Specs & Prices choose:

ENERPAC GASOLINE PUMPS
SIMPLEX GASOLINE PUMPS


AC ELECTRIC PUMPS

For everything else, it's hard to touch the power output, simplicity of use and versatility of AC electric hydraulic pumps.

AC Electrial Pumps can be quite confusing, mainly because there are so many different options that have to be considered based on the specific operation you are doing:

Simple pressing, punching or bending jobs require only simple ADVANCE and RETRACT valve functions.
Clamping, lifting and positioning jobs require ADVANCE, HOLD and RETRACT valve functions.
Post-tensioning, pre-stressing and pile testing operations cannot tolerate any pressure loss during valve shifting and require special LOCKING valves.

Further considerations are:

Single Acting or Double Acting Ram/Cylinders require special valving to operate them properly.
The quantity, capacity and length of your Ram/Cylinders may require extra large oil resovoirs.
The number and sizes of your Ram/Cylinders may also demand that heavy duty, higher flow rate pumps be used to save time and expensive man hours.

For AC ELECTRIC PUMP Images, Specs & Prices choose:
ENERPAC ELECTRIC PUMPS
SIMPLEX ELECTRIC PUMPS


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This page updated by Richard J. Tafilaw, February 1, 2008. Online since March 30, 1996

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