MIL-DTL-5513D
TABLE III. Proof and burst pressure. 1/
Elevated temperature
Room temperature
Rated operating
Proof pressure
Burst pressure
Proof pressure
Burst pressure
pressure of joint
min
min.
min.
min.
psig (MPa)
psig (MPa)
psig (MPa)
psig (MPa)
psig (MPa)
1500 (10.3)
2250 (15.5)
3750 (25.9)
3000 (20.7)
6000 (41.4)
3000 (20.7)
4500 (31.0)
7500 (5137)
6000 (41.4)
12,000 (82.7)
4000 (27.6)
6000 (41.4)
10,000 (68.9)
8000 (55.2)
16,000 (110.3)
5000 (34.5)
7500 (51.7)
12,500 (86.2)
10,000 (68.9)
20,000 (137.9)
1/ Metric equivalents are given for information only.
3.4.3 Leakage at low pressure. The fittings shall not leak, when tested in accordance with 4.7.4.
3.4.4 Reverse leakage. When swivel joints are tested in accordance with 4.7.5, there shall be no
reverse leakage, as indicated by loss of vacuum during this period.
3.4.5 Endurance. When swivel joints are endurance tested in accordance with 4.7.6 there shall be no
reverse leakage, as indicated by loss of vacuum during this period.
3.4.6 Swiveling torque. Swivel joints when swiveling torque tested in accordance with 4.7.7 the torque
required to swivel and to compensate for angular realignment within the limits of such action of the swivel
joint shall be noted and shall not exceed the value specified in table IV.
TABLE IV. Swiveling torque and flow rate. 1/
Swivel
Torque maximum, pound-inch (Nm)
Rated
joint
1500 psi (10 MPa))
3000 psi (21 MPa) 4000 psi (28 MPa) 5000 psi (34 MPa)
flow
dash
Plane
Other
Plane
Other
Plane
Other
Plane
Other
gpm
size
swivel
swivels
swivel
swivels swivel
swivels
swivel
swivels
4
8 (.9)
40 (4.5)
15 (1.7)
60
1.2
5
10 (1.1)
60 (6.8)
20 (2.3)
85
2.3
Torque values for 4000 (28 MPa) and
6
15 (1.7)
70 (7.9)
30 (3.4)
90
3.5
5000 psi (34 MPa) swivel joints
8
25 (2.8)
80 (9.0)
45 (5.1)
130
6.0
shall be as specified by
10
30 (3.4)
100 (11.3)
60 6.8)
170
10.5
the procuring activity.
12
50 (5.6)
200 (22.6) 90 (10.2)
350
16.0
(see 6.2)
16
100 (11.3) 400 (45.2) 135 (15.3)
600
29.0
20
125 (14.1)
200 (22.6)
45.0
1/ Metric equivalents are given for information only.
3.4.7 Swiveling torque at elevated temperature. Swivels when tested in accordance with 4.7.8 the
torque shall not exceed the values specified in table IV.
3.4.8 Pressure drop. Swivels when tested in accordance with 4.7.9 the pressure drop through a
swivel joint shall not exceed 5 psig.
3.4.9 Cold temperature operation. Swivels when tested in accordance with 4.7.10 shall show no
evidence of leakage or other malfunctioning.
3.4.10 Operation at differential temperature. Swivels when tested in accordance with 4.7.11 shall
show no leakage.
8
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