Page 52 - Pressure Vessel Design Manual

38 Pressure Vessel Design Manual
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Formulas (1 - u2)(K2 - l)U
T=
(1 - U) + (1 + v)K2
C - dia. HD
hD =
2 K2 + 1
Z=-
K2 - 1
C - dia. HT
hT =
2
Y = (1 - v2)U

C-G
hc =- K2(I+4.6052 (1+~/l -~)log,,K)-l
2 U=
1.0472(K2 - 1)(K - 1)(1 + u)

ho =
B1 = loose flanges = B + g,
= integral flanges, f < 1 = B + g,
nB2P
HD=- = integral flanges, f 2 1 = B + g,
4

HT = H - HD d = loose flanges = Uho&
~
VL
UhO&
HG =operating = Wm, - H = integral flanges = -
V
gasket seating = W Urho&
= reverse flanges = -
V

FL
e = loose flanges = -
h0
F
= integral flanges = -
h0

G = (if b, 5 0.25 in.) mean diameter of gasket face
= (if bo > 0.25 in.) O.D. of gasket contact face - 2b

Stress Formula Factors

a=te+l

ffff
y = - or - for reverse flanges
T Tr