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HOSE RECOMMENDATIONS
Oil Flow Hose Lengths Inside Diameter
USE
(
Min. Working Pressure
GPM LPM FEET METERS INCH MM PSI BAR
4-9 15-34 up to 10 up to 3 3/8 10 Both 2250 155
4-6 15-23 up to 25 up to 7.5 3/8 10 Both 2500 175
4-6 15-23 26-100 7.5-30 1/2 13 Both 2500 175
5-10.5 19-40 up to 50 up to 15 1/2 13 Both 2500 175
5-10.5 19-40 51-100 15-30 5/8 16 Both 2500 175
5-10.5 19-40 100-300 30-90
5/8 16 2500 175
3/4 19 Return 2500 175
10-13 38-49 up to 50 up to 15 5/8 16 Both 2500 175
10-13 38-49 51-100 15-30
5/8 16 2500 175
3/4 19 Return 2500 175
10-13 38-49 100-200 30-60
3/4 19 2500 175
1 25.4 Return 2500 175
13-16 49-60 up to 25 up to 8
5/8 16 2500 175
3/4 19 Return 2500 175
13-16 49-60 26-100 8-30
3/4 19 2500 175
1 25.4 Return 2500 175
Figure 1. Typical Hose Connections
Recommendations
The chart to the right shows recommended
minimum hose diameters for various hose
lengths based on gallons per minute (gpm)/
liters per minute (lpm). These recommenda-
tions are intended to keep return line pressure
(back pressure) to a minimum acceptable lev-
el to ensure maximum tool performance.
This chart is intended to be used for hydraulic
tool applications only based on Stanley Hy-
draulic Tools tool operating requirements and
should not be used for any other applications.
All hydraulic hose must have at least a rated
minimum working pressure equal to the maxi-
mum hydraulic system relief valve setting.
PRESSURE
RETURN
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