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
(PSI)

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
R2AT

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
Line

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.

Dartmouth, Nova Scotia, 94 Simmonds Drive, Dartmouth, NS B3B 1P6
Toll free: 1-(800)-498-7779, info@StellarIndustrial.ca