Pressure Guide
Pressure Ratings for Hydraulic Fittings
|
Dash Size |
NPTF PSI |
JIC PSI |
ORB PSI |
OFS PSI |
DIN light |
DIN heavy |
|
2 3 4 5 6 8 10 12 14 15 16 18 20 22 24 25 28 30 32 35 38 42 |
5000 - 5000 - 4000 3500 - 2200 - - 2000 - 1600 - 1200 - - - 1100 - - - |
7500 7500 7500 5000 5000 5000 5000 5000 4000 - 3600 - 3600 - 2500 - - - 1500 - - - |
7500 6000 6000 6000 6000 6000 6000 6000 5500 - 5500 - 4000 - 3000 - - - 2000 - - - |
- - 6000 6000 6000 6000 6000 6000 6000 - 6000 - 4000 - 4000 - - - - - - - |
Tube OD - - - 7250 7250 7250 5800 - 5800 - 5800 - 3650 3650 - 3650 - - 3650 - 3650 |
Tube OD - - - 11600 11600 11600 9135 9135 - 9135 - 5800 - - 5800 - 5800 - - 5800 - |
Pressure Ratings for Hydraulic Tubing
|
Tube OD |
Wall in |
Carbon Steel (PSI) |
Stainless Steel |
Tube OD (mm) |
Wall mm |
Carbon Steel (bar) |
Stainless Steel (bar) |
|
1/4” 1/4” 3/8” 3/8” 3/8” 1/2” 1/2” 1/2” 1/2” 1/2” 5/8” 5/8” 5/8” 5/8” 3/4” 3/4” 3/4” 3/4” 3/4” 1” 1” 1” 1” 1” 1-1/4” 1-1/4” 1-1/4” 1-1/4” 1-1/2” 1-1/2” 1-1/2” 1-1/2” 2” 2” 2” 2” |
0.035 0.049 0.035 0.049 0.065 0.035 0.049 0.065 0.083 0.095 0.049 0.065 0.083 0.095 0.049 0.065 0.083 0.095 0.120 0.065 0.083 0.095 0.120 0.148 0.083 0.095 0.120 0.148 0.095 0.120 0.148 0.188 0.095 0.120 0.148 0.188 |
3900 5700 2500 3600 5000 1800 2700 3600 4800 5500 2100 2800 3700 4300 1700 2300 3000 3500 4600 1700 2200 3000 3300 4200 1700 2000 2600 3300 1700 2100 2700 3500 1250 1600 2000 2550 |
5900 8600 3800 5500 7500 2800 4000 5500 7200 8300 3200 4300 5600 6500 2600 3500 4600 5300 6900 2600 3400 4500 5000 6300 2600 3000 3900 5000 2500 3200 4000 5300 1850 2400 3000 3800 |
6 8 8 10 10 10 12 12 12 14 14 14 14 15 15 15 15 16 16 16 18 18 18 20 20 20 20 22 22 22 22 25 25 25 28 30 |
1 1 1.5 1 1.5 2 1 1.5 2 1 1.5 2 2.5 1 1.5 2 2.5 1.5 2 2.5 1.5 2 2.5 1.5 2 2.5 3 1.5 2 2.5 3 2.5 3 4 2 3 |
420 300 465 210 345 525 190 285 395 155 235 335 440 150 245 310 420 200 290 365 195 260 330 142 230 305 360 145 210 260 300 230 260 380 155 230 |
585 415 700 320 480 775 300 395 595 385 545 700 215 285 435 450 530 260 380 310 385 490 180 255 295 380 220 285 |
Pressure Ratings for Hydraulic Hose
|
Dash Size |
MX R1AT |
1SN DIN |
BXX |
2SN DIN |
2SNK DIN+ |
AX 100R17 |
CE 100R12 |
NH 100R13 |
4SH DIN |
HT6 100R15 |
722 100R7 |
737 100R8 |
T1-FB 1R14A |
Y9 100R5 |
|
3 4 5 6 8 10 12 16 20 24 32 |
2750 2500 2250 2000 1500* 1250 1000 625 500* 375* |
3625* 3265* 3120* 2610* 2320* 1885* 1525* 1275* 915* 725* 580* |
5000 4250* 4000 3500 2750 2250 2000 1625 1250 1125 |
6020* 5800* 5080* 4790* 3990* 3625* 3120* 2395* 1815* 1305* 1160* |
6530 6095* 5515 4715 4205* 3625 2755 |
3000 3000 3000 3000 3000 3000 |
4000 4000 4000 4000 4000 3000 2500 2500 |
10000* 7500* 5000 5000 5000 5000 5000 |
6095 5515 5000 4200 3625 |
6000* 6000* 6000 6000 6000 6000 |
3000* 2750 2500 2250 2000 1250 1000* |
5000 4000 3500 |
2750 2250 2000 1500 1375 1125 875 |
3000 3000 2250 2000 1750 1500 800 625 500 |
Hose Size Selection Chart
|
Flow Rate up to GPM |
Pressure Line |
Return Line |
Suction |
|
3.00 8.50 15.00 24.00 34.00 60.00 95.00 130.00 |
1/4” 3/8” 1/2” 5/8” 3/4” 1” 1-1/4” 1-1/2” |
3/8” 5/8” 3/4” 1” 1-1/4” 1-1/2” 2” 2-1/2” |
5/8” 1” 1-1/4” 1-1/2” 2” 2-1/2” 3” 4” |
-
All pressure are listed in pounds per square inch (PSI).
-
All pressure rating are based on a 4:1 safety factor.
-
Never use any hydraulic hose up to its rated pressure.
-
Always allow extra safety margin to allow for spike or over pressuring by user.
