SHM / PIPING acc.to prEN 13445
Software house memory b.v.The Netherlands - PROPRIETARY Use pursuant to Company Instructions - All rights reserved
Copyright 2000-2016 by Software House Memory b.v.The Nederlands,  All Rights Reserved


Example of Calculation ...

Calculation of Flange (alternative method)

 Alternative CALCULATION of FLANGE acc.to prEN13445
 and NEN-EN 1591                                  REV.SHM/01/2016
 

This Method is defined for the design of circular, bolted,
gasketed, flanged joints. Its purpose is to ensure structural
integrity and appropriate control of leakage. 

Kind of FLANGE

Select Flange


 


SHM / PIPING acc.to prEN 13445
Software house memory b.v.The Netherlands - PROPRIETARY Use pursuant to Company Instructions - All rights reserved
Copyright 2000-2016 by Software House Memory b.v.The Nederlands,  All Rights Reserved


Calculation of Flange (alternative method)

 Alternative CALCULATION of FLANGE acc.to prEN13445
 and NEN-EN 1591                                  REV.SHM/01/2016

    INPUT
 
 101  DEVICE NUMBER                 :   Plant WEST III/VI-23 t                 
 102  PART                          :   Main pipe 401/3                        
 103  PROJECT NUMBER                :   New part conical                           
 104  CALCULATED BY                 :   shm test grapg.intere ABC              
 105  DESIGN PRESSURE         P    :          8,00 [MPa]                       
 106  TEST PRESSURE           Pt   :         11,00 [MPa]                       
 107  DESIGN TEMPERAT.        T    :         125,4 [Degr.]                     
 108  Kind of FLANGE ( 1-9)        :            1, [-]                         
 111 INSIDE DIAMETER FLANGE   d0   :        486,00 [mm]                        
 112 Average DIAMETER         d1(E):        496,50 [mm]                        
 113 Average DIAMETER         d2   :        556,00 [mm]                        
 114 BOLT CIRCLE DIAMETER     d3   :        680,00 [mm]                        
 115 OUTSIDE FLANGE DIAMETER  d4   :        730,00 [mm]                        
 116 BOLT HOLE DIAMETER       d5(t):         26,00 [mm]                        
 117 INSIDE DIAM.LOOSE RING   d6   :          0,00 [mm]                        
 118 OUTSIDE DIAM.LOOSE RING  d8   :          0,00 [mm]                        
 119 WIDTH LOSSE FL.RING      b0   :          0,00 [mm]                        
 120 Average DIAMET.FLAT CLOS.dx   :          0,00 [mm]                        
 121 WALL THICK.FLAT CLOSURE  e0   :          0,00 [mm]                        
 122 WALL THICK.acc.to DRAW.  e1(s):         10,50 [mm]                        
 123 WALL THICK.acc.to DRAW.  e2   :         60,50 [mm]                        
 124 (PART) WALL THICK.FLANGE eP   :         85,00 [mm]                        
 125 WALL THICK.FLANGE        eF   :         85,00 [mm]                        
 126 (PART) WALL THICK.FLANGE eQ   :          0,00 [mm]                        
 127 WALL THICK.LOOSE RING    eL   :          0,00 [mm]                        
 128 WALL THICK.acc.to DRAW.  eX   :          0,00 [mm]                        
 129 LENGTH of HUB            lH   :        135,00 [mm]                        
 130 ANGLE RADIAL INCLINATION PhieS:          0,00 [Gr.]                       
 131 EXTERNAL FORCE Operat.   FA   :          0,00 [N]                         
 132 EXTERNAL MOMENT Operat.  MA   :           0,0 [Nmm]                       
 133 EXTERNAL FORCE Test      FT   :          0,00 [N]                         
 134 EXTERNAL MOMENT Test     MT   :           0,0 [Nmm]                       
 
 
 
 
 
 
 
  Date  : 02-01-2016                                     Page :  1 of  :  5

-------------------------------------------------------------------------------------------------------------------------------

Calculation of Flange (alternative method)

 Alternative CALCULATION of FLANGE acc.to prEN13445
 and NEN-EN 1591                                  REV.SHM/01/2016


 ***********************************************************                   
 * SOFTWARE HOUSE MEMORY b.v.   REKENPAKKET/PIPING         *                   
 * REV. SHM / ** CEN **/        BEREKENING NO:             *                   
 ***********************************************************                   
  
 CALCULATION of FLANGE acc.to prEN13445 Alternat                               
 and NEN-EN 1591                 REV.SHM/01/2016                             
  
 141 MATERIAL FLANGE                :   40CRMOV47V/DIN17240                    
 142 MATERIAL  ( loose ) RING       :                                          
 143 MATERIAL GASKET                :                                          
 144 MATERIAL BOLTS                 :   40CRMOV47V/DIN17240                    
 145 Thermal EXPANS.COEF.FLAN.AlfaF:     0,0000114 [1/K]                       
 146 Thermal EXPANS.COEF.RING AlfaL:     0,0000000 [1/K]                       
 147 Thermal EXPANS.COEF.GASK.AlfaG:     0,0000100 [1/K]                       
 148 Thermal EXPANS.COEF.BOLT AlfaB:     0,0000114 [1/K]                       
 149 ELAST.MODULUS 20Deg.FLAN.EF   :      192000,0 [N/mm2]                     
 150 ELAST.MODULUS 20Deg.RING EL   :           0,0 [N/mm2]                     
 151 ELAST.MODULUS 20Deg.GASK.EG   :        1000,0 [N/mm2]                     
 152 ELAST.MODULUS 20Deg.BOLT EB   :      211000,0 [N/mm2]                     
 153 ELAST.MODULUS Temp. FLAN.EFt  :      187125,0 [N/mm2]                     
 154 ELAST.MODULUS Temp. RING ELt  :           0,0 [N/mm2]                     
 155 ELAST.MODULUS Temp. GASK.EGt  :        1000,0 [N/mm2]                     
 156 ELAST.MODULUS Temp. BOLT EBt  :      202000,0 [N/mm2]                     
 157 DESIGN STRESS 20Deg.FLAN.SF   :        160,00 [N/mm2]                     
 158 DESIGN STRESS 20Deg.RING SL   :          0,00 [N/mm2]                     
 159 Reserv...                     :                                           
 160 DESIGN STRESS 20Deg.BOLT SB   :        425,00 [N/mm2]                     
 161 DESIGN STRESS Temp. FLAN.SFt  :        144,44 [N/mm2]                     
 162 DESIGN STRESS Temp. RING SLt  :          0,00 [N/mm2]                     
 163 Reserv.                       :                                           
 164 DESIGN STRESS Temp. BOLT SBt  :        425,00 [N/mm2]                     
  
 181 NOM.DIAMETER BOLT        dB0  :         25,40 [mm]                        
 182 DIAMETER SHAFT           dBS  :         25,40 [mm]                        
 183 DIAMETER Effect.         dBe  :         23,50 [mm]                        
 184 LENGTH BOLT              lB   :        125,00 [mm]                        
 185 LENGTH SHAFT             lS   :        100,00 [mm]                        
 186 NUMBER BOLTS             nB   :           34, [-]                         
 187 FRICTION COEFFICIENT     MieB :         0,200 [-]                         
 188 SCATTER VALUE COEFFIC.   Epsi :         0,100 [-]                         
  
 201 RADIUS GASKET  (b,c,e,f) r2   :          0,00 [mm]                        
 202 GASKET WIDTH    ( a,d )  bGt  :         25,40 [mm]                        
 203 ANGLE GASKET ( b,c,e,f ) Phie2:          0,00 [Gr.]                       
 204 Theor.DIAMETER GASKET    dGt  :        556,00 [mm]                        
 205 AXIAL THICK.GASKET       eG   :          5,00 [mm]                        
 206 MAX.ALLOW.STRESS         Qmax :        200,00 [MPa]                       
 207 MIN.ALLOW.STRESS         Qmin :         25,00 [MPa]                       
 208 GASKET FACTOR            m    :         1,600 [-]                         
 209 CREEP-FACTOR             fC   :         1,000 [-]                         
 
 
 
 
 
  Date  : 02-01-2016                                     Page :  2 of  :  5

-------------------------------------------------------------------------------------------------------------------------------

Calculation of Flange (alternative method)

 Alternative CALCULATION of FLANGE acc.to prEN13445
 and NEN-EN 1591                                  REV.SHM/01/2016


  
501 PITCH betw.BOLTS          tB   :       62,83  [mm]                         
502 Effect.DIAM.BOLT HOLE     d5e  :       16,73  [mm]                         
504 Effect.BOLT-CIRCLE DIAM.  d3e  :      678,82  [mm]                         
  
505 Effect.WIDTH FLANGE       bF   :      105,27  [mm]                         
506 Average DIAM.GASKET       dF   :      608,00  [mm]                         
506aEffect.CROSS SECTION AREA AF   :    10370,00  [mm2]                        
515 Equival.WALL THICK.CYL.   eE   :       35,16  [mm]                         
517 Average DIAMETER          dE   :      525,91  [mm]                         
522 LEVER ARM                 hP   :       28,55  [mm]                         
522aEffect.DIAMETER           dGe  :      583,02  [mm]                         
  
  
  
  
  
524 LEVER ARM                 hG   :       47,90  [mm]                         
525 LEVER ARM                 hH   :       76,45  [mm]                         
526 LEVER ARM                 hL   :        0,00  [mm]                         
533 COEFFICIENT               Gamma:    0,386158  [-]                          
534 COEFFICIENT               Delta:    0,879938  [-]                          
535 COEFFICIENT               Lambd:    0,000000  [-]                          
536 CORRECTION FACTOR         CF   :    0,223300  [-]                          
537 LEVER ARM                 hS   :       33,92  [mm]                         
538 LEVER ARM                 hT   :       44,47  [mm]                         
539 LEVER ARM                 hQ   :       36,99  [mm]                         
540 LEVER ARM                 hR   :       -5,09  [mm]                         
541 COEFFICIENT               kQ   :       0,850  [-]                          
542 COEFFICIENT               kR   :      -0,150  [-]                          
545 FLEXIBIL. FACTOR          ZF   :0,200531E-05  [1/mm3]                      
546 FLEXIBIL. FACTOR          ZL   :0,000000E+00  [1/mm3]                      
553 Effect.CROSS SECTION BOLT AB   :    14747,03  [mm2]                        
554 FLEXIBIL.FACTOR BOLT      XB   :    0,008679  [1/mm]                       
557 GASKET CROSS SECT.Theoret.AGt  :     44366,8  [mm2]                        
558 INIT.GASKET FORCE         FG0  :    5472521,  [N]                          
559 Effect.GASKET WIDTH       bGe  :       25,40  [mm]                         
560 Effect.GASKET CROSS SECT. AGe  :     46522,8  [mm2]                        
561 LEVER ARM                 hG0  :       47,90  [mm]                         
  
  
565 FLEXIBIL.FACTOR GASKET    XG   :    0,000113  [1/mm]                       
 
 
  Date  : 02-01-2016                                     Page :  3 of  :  5

-------------------------------------------------------------------------------------------------------------------------------

Calculation of Flange (alternative method)

 Alternative CALCULATION of FLANGE acc.to prEN13445
 and NEN-EN 1591                                  REV.SHM/01/2016


                                         Assembly    Operat.      Test         
601 FLUID PRESSURE (Axial)    FQ   :          0,     2135720,     2936615,[N]  
602 AXIAL FORCE EXTERNAL LOAD FR   :                       0,           0,[N]  
603 AXIAL THERMAL EXPANSION   U1   :   -0,059340  [mm]                         
605 INVERSE STIFFNESS GASKET  YG   :0,201763E-06 0,204844E-06 0,201763E-06[mm/N]
606 INVERSE STIFFNESS PRESSUR.YQ   :             0,130122E-06 0,126076E-06[mm/N]
607 INVERSE STIFFN.EXTER.LOAD YR   :             0,116237E-06 0,112544E-06[mm/N]
608 MIN.GASKET FORCE          FG0  :    1163070,     2135720,     2936615,[N]  
609 PREVENT LEAKAGE FORCE     FG   :    2936615,  [N]                          
610 REQ.GASKET FORCE diff.    FGdel:                 3251606,     4477517,[N]  
611 REQ.GASKET FORCE          FG0r :    4477517,  [N]                          
612 REQ.BOLT FORCE            FB0r :    4477517,  [N]                          
614 Min.BOLT FORCE(Tightening)FB0mi:    4029765,  [N]                          
617 Nomin.BOLT LOAD           FB0no:    4975019,  [N]                          
618 Max.BOLT FORCE            FB0ma:    5472521,  [N]                          
619 Adjusted MAX.FORCE GASKET FG0  :    5472521,  [N]                          
804 Nomin.MOMENT              Mtnom:     891992,  [Nmm]                        
805 Nomin.FORCE BOLTS         FB0no:    4975019,  [N]                          
620 REASSEMBL.FORCE           FG0d :    4477517,  [N]                          
621 GASKET FORCE REASSEMBL.   FG   :                 2135720,     2936615,[N]  
622 BOLTS FORCE REASSEMBL.    FB   :                 4271440,     5873230,[N]  
812 FLANGE ROTATION           ThetF:0,303926E-02  [rad.]                       
813 ROTATION RING (LOOSE FL.) ThetL:0,000000E+00  [rad.]                       
702 Max.LOAD-COEFFICIENT FLAN.Phiem:    1,000000  [-]                          
703 LOAD-COEFFICIENT BOLTS    PhieB:    0,873160     0,681524     0,937095[-]  
704 LOAD-COEFFICIENT GASKET   PhieG:    0,491815     0,191937     0,263913[-]  
705 COEFFICIENT               cG   :         1,3  [-]                          
706 LOAD-COEFFICIENT FLANGE   PhieF:             0,408769E+00 0,563925E+00[-]  
707 COEFFICIENT RESISTANCE    WF   :             0,500558E+09 0,498901E+09[Nmm]
  
  
708 COEFFICIENT WALL THICK.   eD   :      51,969  [mm]                         
708aCOEFFICIENT               Beta :       5,762  [-]                          
709 DESIGN STRESS             SE   :      160,00  [MPa]                        
710 STRESS COEFFICIENT        SigmQ:                    0,253        0,348[-]  
711 STRESS COEFFICIENT        SigmR:                    0,000        0,000[-]  
712 COEFFICIENT               cM   :                 1,118463     1,087130[-]  
713 COEFFICIENT               cS   :                 0,631645     0,571526[-]  
716 COEFFICIENT               jM   :                     1,00         1,00[-]  
717 COEFFICIENT               kM   :                     1,00         1,00[-]  
720 COEFFICIENT RADIAL FORCE  Psi  :                 0,493755     0,363423[-]  
721 COEFFICIENT RADIAL FORCE  Psiop:                 1,000000     1,000000[-]  
723 COEFFICIENT RADIAL FORCE  Psi0 :                -0,138341    -0,171725[-]  
722 COEFFICIENT RADIAL FORCE  Psima:                 0,493755     0,363423[-]  
724 COEFFICIENT RADIAL FORCE  Psimi:                -0,770437    -0,706873[-]  
 
 
  Date  : 02-01-2016                                     Page :  4 of  :  5

-------------------------------------------------------------------------------------------------------------------------------

Calculation of Flange (alternative method)

 Alternative CALCULATION of FLANGE acc.to prEN13445
 and NEN-EN 1591                                  REV.SHM/01/2016


     TESTS RESULT                       CALCULAT.      ALLOW.     ACC.?        
  
     ROTATION FLANGE         ( 812 )    0,003039  <     0,017000   Yes         
  
     FLANGE LOAD Operat.Cond.( 706 )    0,408769  <     1,000000   Yes         
                     Test    ( 706 )    0,563925  <     1,000000   Yes         
  
  
         fM**2       Operat. ( 712 )    1,250959  >     0,000000   Yes         
         fM**2       Test    ( 712 )    1,181853  >     0,000000   Yes         
                     Operat. ( 721 )    1,000000  <     1,000000   Yes         
                     Test    ( 721 )    1,000000  <     1,000000   Yes         
                     Operat. ( 722 )    0,493755  <     1,000000   Yes         
                     Test    ( 722 )    0,363423  <     1,000000   Yes         
                     Operat. ( 724 )   -0,770437  >    -1,000000   Yes         
                     Test    ( 724 )   -0,706873  >    -1,000000   Yes         
     BOLTS LOAD      Assembl.( 703 )    0,873160  <     1,000000   Yes         
                     Operat. ( 703 )    0,681524  <     1,000000   Yes         
                     Test    ( 703 )    0,937095  <     1,000000   Yes         
     GASKET LOAD     Assembl.( 704 )    0,491815  <     1,000000   Yes         
                     Operat. ( 704 )    0,191937  <     1,000000   Yes         
                     Test    ( 704 )    0,263913  <     1,000000   Yes         
 
 
 
  Date  : 02-01-2016                                     Page :  5 of  : 5