MIL-DTL-13444H
TABLE IV. Pressure requirements.
Burst pressure
Proof pressure
Working pressure
Nominal
hose
Type I
Type III
Type I
Type III
Type I
Type III
size (I.D.)
(PSI)
(PSI)
(PSI)
(PSI)
(PSI)
(PSI)
(inch)
1/8
2000
1/
1000
1/
500
1/
3/16
1700
6000
850
3000
425
1500
1/4
1250
6000
625
3000
300
1500
5/16
1100
4000
550
2000
275
1000
3/8
1000
1/
500
1/
250
1/
13/32
1/
4000
1/
2000
1/
1000
1/2
750
3500
375
1750
200
875
5/8
700
3000
350
1500
175
750
3/4
500
1/
250
1/
125
1/
7/8
1/
1500
1/
750
1/
375
1-1/8
1/
1250
1/
625
1/
300
1-3/8
1/
1000
1/
500
1/
250
1/
750
1/
375
1/
200
1-13/16
See notes at end of table.
TABLE IV. Pressure requirements - Continued.
Decimal and metric 2/
Nominal
Burst pressure
Proof pressure
Working pressure
hose
Type I
Type III
Type I
Type III
Type I
Type III
size (I.D.)
(bar)
(bar)
(bar)
(bar)
(bar)
(bar)
decimal (mm)
.125 (3.18)
137.90
1/
68.95
1/
34.47
1/
.186 (4.72)
117.21
413.69
58.61
206.84
29.30
103.42
.250 (6.35)
86.18
413.69
43.09
206.84
20.68
103.42
.313 (7.95)
75.84
275.79
37.92
137.90
18.96
68.95
.375 (9.53)
68.95
1/
34.47
1/
17.24
1/
.406 (10.31)
1/
275.79
1/
137.90
1/
68.95
.500 (12.70)
51.71
241.32
25.86
120.66
13.79
60.33
.625 (15.88)
48.26
206.84
24.13
103.42
12.07
51.71
.750 (19.05)
34.47
1/
17.24
1/
8.62
1/
.875 (22.23)
1/
103.42
1/
51.71
1/
25.86
1.125 (28.58)
1/
86.18
1/
43.09
1/
20.68
1.375 (34.93)
1/
68.95
1/
34.47
1/
17.24
1/
51.71
1/
25.86
1/
13.79
1.183 (30.05)
1/ Hose type not available in this size.
2/ Metric equivalents are for information only.
8
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