SHM / PIPING  Acc.to  STOOMWEZEN
Copyright 1978-2017 by Software House Memory b.v.The Nederlands,  All Rights Reserved


Example of Calculation ...

Calculation of Flange (conical Hub)

Calculation of Flange (conical Hub)
Acc.d-0701    Rev./SHM/01/2017
 

INPUT

 1 DEVICE NUMBER        (max. 40 characters)
 2 PART                 (max. 40 characters)
 3 PROJECT NUMBER       (max. 40 characters)
 4 CALCULATED BY        (max. 40 characters)
 5 DESIGN TEMPERATURE         Qm                   [Grad C]

10 MATERIAL FLANGE      (max. 40 characters)
11 CROSS-SECT.AREA ROOT BOLT   Abk                 [mm2]
12 MIN.CROSS-SECT.AREA  BOLT   Abmin               [mm2]
13 GASK.WID.in CONT.SCAL.FAC.  bg                  [mm]
14
15 INDIC. BOLT = 0 / CLAMP = 1                     [-]
16 NOM.THREAD DIAMET. BOLD     Ddb                 [mm]
17 INSIDE DIAMETER FLANGE      Di                  [mm]
18 OUTSIDE DIAMETER FLANGE     Df                  [mm]
19 DIAMETER BOLD CIRCLE        Df1                 [mm]
20 DIAM.BOLD HOLE/WIDTH CLAMP Df2,bc               [mm]
21 DIAMET. EFFECT.SEAL. CIRC.  Dg                  [mm]
22 INSIDE DIAM.FLANGE CONNEC.  Di1                 [mm]
23 THICKNESS FLANGE            df                  [mm]
24 WALL THICK.CYLIND.PART      df1                 [mm]
25 THUCK.CONICAL PART HUB      df2                 [mm]
26 0 or THICKNESS GASKET       dg                  [mm]
27 GASKET - FACTOR             cg                  [-]
28 INTERN.WELDED DIAPHRAGM  (0/1)     0 = no       [-]

30 MODULUS ELASTI.(20 GR.C)    Ef                  [N/mm2]
31 EXTERN.AXIAL.FORCE(or0/1/2-switch) Fe    **     [N]or[-]
32 EXTER.BENDING MOM(or0/1/2-switch)  Me    **     [Nmm]or[-]
33 ACTUAL BOLT FORCE(or1/0-switch)    F4mw  ***    [N]or[-]
34 DESIG.STRES.SEAT.COND.BOLT  fbm                 [N/mm2]
35 DESIG.STRES.TEST COND.BOLT  fbt                 [N/mm2]
36 DESIG.STRES.OPER.COND.BOLT  fbw                 [N/mm2]
37 ESIG.STRES.MAX.BOLT FORCE   Reb                 [N/mm2]
38 DESIG.STRES.SEAT.COND.FLAN. ffm                 [N/mm2]
39 DESIG.STRES.TEST COND.FLAN. fft                 [N/mm2]
40 DESIG.STRES.OPER.COND.FLAN. ffw                 [N/mm2]
41 DESIG.STRES.SEAT.COND.CYLI. fcm                 [N/mm2]
42 DESIG.STRES.TEST COND.CYLI. fct                 [N/mm2]
43 DESIG.STRES.OPER.COND.CYLI. fcw                 [N/mm2]
44 SHAPE STABIL. FLANGE 1.35 * Ref                 [N/mm2]

50 HEIGHT CONICAL HUB          h                   [mm]
51 LENGTH CYLIND.PART          lc                  [mm]
52 NUMBER of BOLTS /CLAMPS    nb,nc                [-]
53 DESIGN PRESSURE             Pd                  [MPa]
54 REQUIR.PRESS.SEAT GASKET    Pgmmin              [N/mm2]
55 REQUIR.PRESS.SEAT GASKET    Pgmmax              [N/mm2]
56 REQUIR.PRESS.SEAT GASKET    Pgwmax              [N/mm2]
57 TEST PRESSURE               Pt                  [bar]
58 EXTERN.AXIAL FORCE SEAT.C.  Fem                 [N]
59 EXTERN.AXIAL FORCE TEST C.  Fet                 [N]
60 EXTERN.AXIAL FORCE OPER.C.  Few                 [N]
61 EXTERN.BENDI.MOM. SEAT CO.  Mem                 [Nmm]
62 EXTERN.BENDI.MOM. TEST CO.  Met                 [Nmm]
63 EXTERN.BENDI.MOM. OPER.CO.  Mew                 [Nmm]
 

**  Axial Force or Moment
                  Switch  =  0   none
                             =  1 - ( 0.25*Pie*Di*Di*Pd ) * 2
                             =  2 - Declare Last 3 Data
*** Real Bols-Force
                  Switch =  0 Without Hand-Key
                            = -1 With Hand-Key



SHM / PIPING  Acc.to  STOOMWEZEN


Calculation of Flange (conical Hub)

Calculation of Flange ( conical Hub )
Acc.d-0701      Rev./SHM/01/2017

1  DEVICE NUMBER                   :Plant WEST III/VI-23 ?
2  PART                            :Main pipe 401/3
3  PROJECT NUMBER                  :New part 5
4  CALCULATED BY                   :shm test
5  DESIGN TEMPERATURE         Qm   :       125.36 [degrees]
9  FLANGE DATA
10 MATERIAL FLANGE     :      MATERIAL TEXT
11 CROSS-SECT.AREA ROOT BOLT Abk  :        303.00 [mm2]
12 MIN.CROSS-SECT.AREA  BOLT Abmin:        300.00 [mm2]
13 GASK.WID.in CONT.SCAL.FAC.bg   :         20.00 [mm]
14 Reserved   ( =BG )            :          0.00 [mm]
15 INDIC. BOLT = 0 / CLAMP = 1    :          0.00 [-]
16 NOM.THREAD DIAMETER BOLD  Ddb  :         24.00 [mm]
17 INSIDE DIAMETER FLANGE    Di   :        486.00 [mm]
18 OUTSIDE DIAMETER FLANGE   Df   :        640.00 [mm]
19 DIAMETER BOLD CIRCLE      Df1  :        590.00 [mm]
20 DIAM.BOLD HOLE/WIDTH CLAMP Df2,bc        27.00 [mm]
21 DIAMET. EFFECT.SEAL. CIRC Dg   :        510.00 [mm]
22 INSIDE DIAM.FLANGE CONNEC Di1  :        486.00 [mm]
23 THICKNESS FLANGE          df   :         75.00 [mm]
24 WALL THICK.CYLIND.PART    df1  :         10.50 [mm]
25 THUCK.CONICAL PART HUB    df2  :         70.00 [mm]
26 0 or THICKNESS GASKET     dg   :           .00 [mm]
27 GASKET - FACTOR           cg   :          1.00 [-]
28 INTERN.WELDED DIAPHRAGM  (0/1) :           .00 [-]
30 MODULUS ELASTI.(20 GR.C)  Ef   :     205800.00 [N/mm2]
31 EXTERN.AXIAL.FORCE(0/1/2) Fe   :          2.00 [N]or[-]
32 EXTERN.BENDING MOM(0/1/2) Me   :          2.00 [Nmm]or[-]
33 ACTUAL BOLT FORCE(or 1/0) F4mw :         -1.00 [N]or[-]
34 DESIG.STRES.SEAT.COND.BOLT fbm :        413.00 [N/mm2]
35 DESIG.STRES.TEST COND.BOLT fbt :        378.00 [N/mm2]
36 DESIG.STRES.OPER.COND.BOLT fbw :        286.00 [N/mm2]
37 DESIG.STRES.MAX.BOLT FORCE Reb :        549.40 [N/mm2]
38 DESIG.STRES.SEAT.COND.FLAN.ffm :        300.00 [N/mm2]
39 DESIG.STRES.TEST COND.FLAN.fft :        276.00 [N/mm2]
40 DESIG.STRES.OPER.COND.FLAN.ffw :        141.00 [N/mm2]
41 DESIG.STRES.SEAT.COND.CYLI.fcm :        318.00 [N/mm2]
42 DESIG.STRES.TEST COND.CYLI.fct :        293.00 [N/mm2]
43 DESIG.STRES.OPER.COND.CYLI.fcw :        150.90 [N/mm2]
44 SHAPE STABIL. FLANGE 1.35 * Ref:        324.00 [N/mm2]

 Date  :  1.01.2017                          Page :  1 of  : 5



SHM / PIPING  Acc.to  STOOMWEZEN


Calculation of Flange (conical Hub)

Calculation of Flange (conical Hub )
Acc.d-0701     Rev./SHM/01/2017

50 HEIGHT CONICAL HUB        h    :        135.00 [mm]
51 LENGTH CYLINDRICAL PART   lc   :        100.00 [mm]
52 NUMBER of BOLTS/CLAMPS   nb,nc :         20.00 [-]
53 DESIGN PRESSURE           Pd   :          2.60 [MPa]
54 REQUIR.PRESS.SEAT GASKET Pgmmin:         50.00 [N/mm2]
55 REQUIR.PRESS.SEAT GASKET Pgmmax:        135.00 [N/mm2]
56 REQUIR.PRESS.SEAT GASKET Pgwmax:        135.00 [N/mm2]
57 TEST PRESSURE             Pt   :         35.00 [bar]
58 EXTERN.AXIAL FORCE SEAT.C.Fem  :       100000. [N]
59 EXTERN.AXIAL FORCE TEST C.Fet  :       200000. [N]
60 EXTERN.AXIAL FORCE OPER.C.Few  :       400000. [N]
61 EXTERN.BENDI.MOM. SEAT CO.Mem  :        10000. [Nmm]
62 EXTERN.BENDI.MOM. TEST CO.Met  :        20000. [Nmm]
63 EXTERN.BENDI.MOM. OPER.CO.Mew  :        40000. [Nmm]
 
 
 

 Date  :  1.01.2017                           Page :  2 of  : 5



SHM / PIPING  Acc.to  STOOMWEZEN


Calculation of Flange (conical Hub)

Calculation of Flange (conical Hub )
Acc.d-0701      Rev./SHM/01/2017

  110 RESULTS of CALCULATION
 111 GASKET SEAT. CONDI.BOLT acc.$5
    STRESS CALCULAT.  :       283.72    [N/mm2]   acc.$7.2
    STRESS CALCULAT.  :       280.91    [N/mm2]
    STRESS ALLOWED    :       413.00    [N/mm2]
    AUXILIARY VAL.zbm :         .680    [-]
 112 TEST CONDITION     BOLT acc.$5
    STRESS CALCULAT.  :       171.22    [N/mm2]   acc.$7.2
    STRESS CALCULAT.  :       169.52    [N/mm2]
    STRESS ALLOWED    :       378.00    [N/mm2]
    AUXILIARY VAL.zbt :         .448    [-]
 113 OPERATING  CONDIT. BOLT acc.$5
    STRESS CALCULAT.  :       171.90    [N/mm2]   acc.$7.2
    STRESS CALCULAT.  :       170.20    [N/mm2]
    STRESS ALLOWED    :       286.00    [N/mm2]
    AUXILIARY VAL.zbw :         .595    [-]
 114 GASKET SEAT      FLANGE
    STRESS CALCULAT.  :        38.24    [N/mm2]   acc.$7.1
    STRESS ALLOWED    :       300.00    [N/mm2]
    AUXILIARY VAL.zfm :         .127    [-]
 115 TEST CONDITION   FLANGE
    STRESS CALCULAT.  :        26.27    [N/mm2]   acc.$7.1
    STRESS ALLOWED  . :       276.00    [N/mm2]
    AUXILIARY VAL.zft :         .095    [-]
 116 OPERATING CONDIT.FLANGE
    STRESS CALCULAT.  :        26.49    [N/mm2]   acc.$7.1
    STRESS ALLOWED    :       141.00    [N/mm2]
    AUXILIARY VAL.zfw :         .188    [-]
 117 SHAPE STABILITY  FLANGE
    STRESS CALCULAT.  :        36.59    [N/mm2]   acc.$4.2
    STRESS ALLOWED    :       324.00    [N/mm2]
    AUXILIARY VAL.zfv :         .113    [-]
 118 ANGLE ROTATION   FLANGE
    ROTATION CALCULAT.:         .000    [Rad.]    acc.$8. ?

    ROTATION ALLOWED  :         .017    [Rad.]
    AUXILIARY    zfh  :         .022    [-]
 ***** ACC.REQ.               *****

  Date  :  1.01.2017                           Page :  3 of  : 5



 SHM / PIPING  Acc.to  STOOMWEZEN


Calculation of Flange (conical Hub)

Calculation of Flange (conical Hub)
Acc.d-0701    Rev./SHM/01/2017

 130 RESULTS of GENERAL CALCULATION
 131 CYLINDRICAL PART               :        72.20 [-]
 132 IRREGULARITY FACTOR       cb   :         1.00 [-]
 133 DIAMETER of BOLT HOLE     Df2* :        13.88 [mm]
 134 GASKET  FACTOR IT-GASKET  cx   :          .00 [-]
 135 DIST.NEUTR.LINE to SEAL.FACE s :        84.72 [mm]
 136 CROSS-SECTION.AREA FLANGE A1   :      4734.15 [mm2]
 137 CROSS-SECTION.AREA CONIC. A2   :      4016.25 [mm2]
 138 CROSS-SECTION.AREA CYLIN. A3   :      1417.50 [mm2]
 139 CROSS-SECTION.AREA TOT.   Atot :     10167.90 [mm2]
 140 SECTION MODUL.FLANGE A-A  WAA  :    302072.80 [mm3]
 141 SECTION MODUL.FLANGE B-B  WBB  :     59176.88 [mm3]
 142 GASKET FORCE SEAT.CONDIT. F3m1 :     1602212. [N]
 143 GASKET FORCE SEAT.CONDIT. F3m2 :     1130029. [N]
 144 GASKET FORCE SEAT.CONDIT. F3m3 :     1237710. [N]
 145 INITIAL.FORCES BOLT    Sigma bm:       275.57 [N/mm2]
 146 MAX. BOLT-FORCE TEMPOR.   F4m  :     1669940. [N]
 147 MAX. BOLF-FORCE DEFINIT.  F4m  :     1669940. [N]
 148 INTERNAL AREA DIAMET.INSI.AiDi :    185507.90 [mm2]
 149 INTERNAL AREA SEALING CIR.Aadc :    204282.00 [mm2]
 150 MOMENT ARM BY F1          lF1  :        93.50 [mm]
 151 MOMENT ARM BY F2          lF2  :        92.00 [mm]
 152 MOMENT ARM BY F3          lF3  :        80.00 [mm]
 153 MOMENT ARM for C-C        lCC  :       -18.00 [mm]
 154 MIN.ALLOW.PITCH of BOLTS  STmi :        50.40 [mm]
 155 CALCUL.PITCH of BOLTS     STad :        56.00 [mm]
 156 REAL PITCH of BOLTS       STre :        92.68 [mm]
 
 

  Date  :  1.01.2017                           Page :  4 of  : 5



 SHM / PIPING  Acc.to  STOOMWEZEN


Calculation of Flange (conical Hub)

Calculation of Flange (conical Hub )
Acc.d-0701     Rev./SHM/01/2017

 80 RESULTS FLANGE-CALCULATION   SEATING OPERATING   TEST  CONDITION
 81 WALL-THICK. CYLINDER   d1         .2       4.01      1.97 [mm]
 82 CORR.FACT.DESIGN STRES.cf        1.0       1.00       1.00 [-]
 83 FORCE on FLANGE ADJOIN.F1   100078.4  882634.30  849434.60 [N]
 84 FORCE on FLANGE INTERN.F2         .0   48812.80   65709.55 [N]
 85 GASKET FORCE           F3  1602212.0   99978.04  112154.90 [N]
 86 BOLT FORCE TOTAL       F   1702291.0 1031425.00 1027299.00 [N]
 87 SECTION MODUL. CYLIN.  WAA    4559.7    3895.21    4400.51 [mm3]
 88 SECTION MODUL.   A-A   WAA  306632.5  305968.00  306473.30 [mm3]
 89 SECTION MODUL.   B-B   WBB  286208.1  285463.90  286029.80 [mm3]
 90 SECTION MODUL.   C-C   WCC 1843722.0 1843722.00 1843722.00 [mm3]
 91 ACTUAL BOLD STRESS   Sigmab    280.9     170.20     169.5  [N/mm2]
 92 ACTUAL MOMENT FLANGE   M    10944630.  7561080.  7515280.  [Nmm]
 93 ACTUAL MOMENT  C-C     MCC -30641230.-18565650. -18491380. [Nmm]
 94 ACTUAL STRESS  A-A  SigmaAA     35.6      24.71      24.5  [N/mm2]
 95 ACTUAL STRESS  B-B  SigmaBB     38.2      26.49      26.2  [N/mm2]
 96 ACTUAL STRESS  C-C  SigmaCC    -16.6     -10.07     -10.0  [N/mm2]
 97 MIN.CLOSE-FLANGE THICK.d                  54.32      43.36 [mm]
 98 MAX.SEALING FORCE      Fdic                      754795.50 [N]
 99 STRESS CALCULAT.  $5           283.7     171.90    171.22  [N/mm2]

 100  RESULTS CALCULATION SHAPE STABILITY

 101 MOMENT MAX. BOLT FORCE    Mt*  :    11606460. [Nmm]
 102 MOMENT MCC MAX.BOLT FORCE MCCt*:   -30058910. [Nmm]
 103 EXTRA SECTION MODUL.     WAA*ex:     10772.42 [mm3]
 104 EXTRA SECTION MODUL.     WBB*ex:     82174.80 [mm3]
 105 ACTUAL STRESS     A-A  SigmaAA*:        36.59 [N/mm2]
 106 ACTUAL STRESS     B-B  SigmaBB*:        31.52 [N/mm2]
 107 ACTUAL STRESS     C-C  SigmaCC*:       -16.30 [N/mm2]
 108 FIBRE DISTANCE            s1   :       213.10 [mm]
 109 ACTUAL ANGLE ROTATION B-B Alfa :         .000 [Rad.]

  Date  :  1.01.2017                           Page :  5 of  : 5