MIL-DTL-27536C
TABLE I.
Temperature load reduction factor.
Load factor (percent)
MIL-DTL-27536/1
Operating temperature
or
MIL-DTL-27536/3
MIL-DTL-27536/2
Below 250°F
100
100
250°F to 800°F
90
65
800°F to 1200°F
80
Not applicable
3.5.3.1 Pressure. The axial load due to pressure in a V-band coupling
joint shall be determined from the following relationship:
L = pA
Where L=load, pounds
A=sealed area, in2
P=internal pressure minus ambient pressure, psi
3.5.3.2 Bending. The safe equivalent axial load to an applied bending
moment shall be determined from the following relationship:
L = 4M
D
Where L=loads, pounds
M=bending moment, lbf-in.
D=coupling diameter, inches
3.5.4 Deflection. The maximum axial deflection (flange separation)
permitted by the coupling shall be 0.030 inch up to rated load. Accordingly,
the maximum angular deflection due to rated bending moment shall be determined
from the relationship:
∅=tan-10.030
D
Where ∅=angular deflection, degrees
D=coupling nominal diameter, inches
3.6
Bolt requirements.
3.6.1 Material. Bolts shall be made of type A286 stainless steel to the
chemical composition requirements of AMS5731, AMS5732, or AMS5737. The stock
6
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