CAT Pumps 7590 Datasheet

FEATURES
Maintains full system pressure while running
l
in by-pass without full load on pump.
Offers pump protection against pressure
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fluctuations and system changes.
Minimum pressure fluctuations with alternating
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use of multiple guns.
Easy external pressure adjustment with locking
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nut to prevent over pressure.
Lightweight flow through design for compact
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installation.
All High Pressure Systems require a primary pressure regulating device (i.e. regulator,
unloader) and a secondary pressure relief device (i.e. pop-off valve, relief valve). Failure
to install such relief devices could result in personal injury or damage to pump or
property. CAT PUMPS does not assume any liability or responsibility for the operation
of a customer's high pressure system.
Read all CAUTIONS and WARNINGS before commencing service or operation of any
high pressure system. The CAUTIONS and WARNINGS are included in each service
manual and with each Accessory Data sheet. CAUTIONS and WARNINGS can also be
viewed online at www.catpumps.com/cautions-warnings or can be requested directly
from CAT PUMPS.
Pressure Sensitive
Multiple Gun
Regulating Unloaders
Models
SPECIFICATIONS
7590
MODEL
Flow Range .................................................. 10-52 gpm
Pressure Range . .......................................400-2175 psi
7592
MODEL
Flow Range .................................................. 10-52 gpm
Pressure Range . .......................................450-2500 psi
COMMON SPECIFICATIONS
Inlet Port (Flush Back) .................................... 1" NPTF
Discharge Port (Extended Front) ............... 1" NPTF
By-Pass Port (Flush Bottom) ........................ 1" NPTF
Maximum Operating Temperature:
Standard Buna o-rings . .......................................140°F
Standard Buna o-rings (intermittent) ...........195°F
Optional FPM o-rings . .........................................240°F
Weight . ................................................................4.46 lbs.
Dimensions . ................................. 8.85 x 5.08 x 1.625" (225 x 129 x 41 mm)
Unloader is stamped with a European safety pressure. Use only at above
specifications to assure proper unloader life and performance.
For Relief Valve version add .100 to unloader model number.
7590
7592
U.S. Measure Metric Measure
(38-200 lpm)
(30-150 bar)
(38-200 lpm)
(31-175 bar)
(1" NPTF)
(1" NPTF)
(1" NPTF)
(60°C)
(90°C)
(116°C)
(2.02 kg)