SYSTEM-04
STRESS CALCULATION No:
Line No.:-
SUPPORT or NODE No:
Loads Identified are based on one trunnion only, X
design is actually two trunnions - worst case.
16"-P-12-1308-D14-IC
Reinforcing Pad
When Required
9610
Reinforcing Pad
When Required
z
Fa
z
Fl
f--77:7
Fa
Fl
L
Fc
Trunnion Configuration Type
Pipe and Trunnion Data
Pipe Diameter (in)
16.001
Pipe Radius (R) (in)
8.000
Pipe Wall Thickness (T om ) See Note (in)
0.5001
Pipe Min Wall Thickness (T) (in)
0.382
Pipe Corr AIlw (in)
0.1181
Effective Wall Thickness (t) (T+tnom) (in)
0.882
Trunnion Diameter (d) (in)
12.751
Trunnion Radius (r) (in)
_ X375
Trunnion Wall Thickness (in)
0.4061
Force Producing Lgtdl Moment (F 1 ) (Ibs)
Pad Thickness (tno,m ) (in)
0.5001
Force Producing Circ Moment (F e ) (Ibs)
Moment Arm (L) (in)
19.801
Direct Axial Load (F a ) (Ibs)
7198
Max Operating Pressure (psig)
6531
Max Operating Temp (Deg F)
131
Material Type (See Note Below)
CS)
Material Allowable Stress (psi)
200151
Note :- Material Selected should be in the following format for the generic type - CS, SS, LTCS, DU & CUNI.
Pipe wall thickness T„, to have mill tolerance removed.
Pipe Attachment Calculation :
(Using Kelloggs Design Manual - Design of Pipe Attachments)
817.88
fc = Fe - L/(it• r2)
161.52
I
(Circumferential Lineal Load - Ibs/in)
fa = Fa/(2 . it r)
179.79
I
(Direct Lineal Load - Ibs/in)
I
=
31-07-2019
DATE
1
No.
ru7k
1(L
ue
Lr'r
6-1 ri
01
I r C YY-)
i)
r.
1087.57
I
f2
- 5(fc+fa)
KVVN
BY
0
REVISION
*--z"
.502 +1, 2)0.5
(Longitudinal Lineal Load - Ibs/in)
= F1 • L/(n• r2)
=
VK
CHK.
,
=
I
853.01
_13
P-4
511.97
ED
APPR.
f2 = fr + 1 .5fa
1122.70
STRESS ANALYSIS
TRUNNION CALCULATION
SHEET 1/2
APPR.
is eczo o l
cr
doc- fr-dm'e011 by,
„) 0 r ? 9 fw d i y o J t c") 0'N-0e f
-
3 ('5 n( ‘123
1-
rr. >tfc-7 (1 157
kc")
Y"t )
/
E
cr)i
(7)
File Name: TRUNNION CALCULATION - NODE 9610.xlsx Sheet Name: Trunnion Sheet 1
Page 394 of 401