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Bolt selection for different rating in one spec

Abbas Ali
 
  • [QUOTE=pitch;17506]my mistake, Its about 13 years since I wrote this
    May help somebody


    Pitch,
    This bolting writeup is very nice.  Thanks!
  • Sorry i still dont agree or may be dont understand how you will achieve this.....u mind showing an example of one boltspec from which you can correctly get bolt lengths as mentioned below....remeber all these flanges will be in one piping spec

    waiting to hear back from you....

    Rat FL-DN Bolt-Dia FL-Th1 FL-Th2 GT Nut1 Nut2 xtra-len Std-Bolt-Length
    150   15   1/2"   11.5   11.5   3.2   10   10 ??  60
    300   15   1/2"   14.5   14.5   3.2   10   10 ??  75
    600   15   1/2"   21.5   21.5   3.2   10   10 ??  80

    Cheers
  • You should have created a length table for each bolt diameter.
    The table for 1/2" dia should contain entries for 60 70 and 80 (plus any others you need)

    Isodraft accesses this table.
     
    Read the document PDMS-BOLTS.zip from the previous page.

    I kept this as simple as possible
  •  

    Fullscreen 292184BSPEC-BPAMSEE.txt Download 
    $S-
$(  BORE UNITS MM    $)
$(  DISTANCE UNITS MM    $)

NEW SPECIFICATION /BPAMSEE
VERSION 1151
MATREF =0
FLUREF =0
RATING 0.000
LINETYPE NULL
BSPEC =0

TEXT 'BOLTING'

HEADING
TYPE      NAME       BDIA  BTYP  BSEL SHOP  CATREF DETAIL                                       MATXT                         CMPREF BLTREF
DEFAULTS
-          -         -     BOLT  DEF   =
BOLT      */BBAMSEED 12.70 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEED
BOLT      */BBAMSEEE 15.88 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEE
BOLT      */BBAMSEEG 19.05 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEG
BOLT      */BBAMSEEI 22.23 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEI
BOLT      */BBAMSEEJ 25.40 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEJ
BOLT      */BBAMSEEK 28.58 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEK
BOLT      */BBAMSEEL 31.75 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEL
BOLT      */BBAMSEEM 34.93 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEM
BOLT      */BBAMSEEN 38.10 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEN
BOLT      */BBAMSEEO 41.28 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEO
BOLT      */BBAMSEEP 44.45 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEP
BOLT      */BBAMSEEQ 47.63 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEQ
BOLT      */BBAMSEER 50.80 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEER
BOLT      */BBAMSEES 57.15 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEES
BOLT      */BBAMSEEU 63.50 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEU
BOLT      */BBAMSEEW 69.85 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEW
BOLT      */BBAMSEEX 76.20 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEX
BOLT      */BBAMSEEY 79.38 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEY
BOLT      */BBAMSEEZ 88.90 BOLT  DEF  FALS  /BOLT  /STUDBOLT.+.2.HVY.HEX.NUTS.ASME.B1.1/B18.2.2 /ASTM.A193.GrB16/A194.Gr7 =0     /BBAMSEEZ
$S+

  • Hello,
    can i use this as BLTP attribute?
    BTHK (ATTRIB RPRO FLTH)
    where RPRO FLTH is the flange thickness, with this i can use any parameter in the scom.
    Regards.
  • yes. we do the same.
    For FLTH, you need to create the DTSE under CATE and its member DATA should have the Dkey 'FLTH' which is pointing towards your CATE flange thk parameter.

    that's it simple.
  • In my BTSE  NOFF BDIA BTYPE & BTHK are unset

    BDIA BTYPE & BTHK are set in the BLTP

    No off is according to the number of BLTPs in the BTSE.
  • thanks pitch,
    I made the changes suggested and it works fine.