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E XI')for GT XI')for RTII Nominal Nom. D ` Nom. Bolt Torque M Steady Pressure Rating a _ Bolt Size Pipe Pipe W t Flan e W t '�j Pipe B C CCM D O P p 9 9 9 m m KZa Number Blind N e Size of Bolts M FW M FW Min. Max. M FW Fig M FW Blind N Ly In In In In In In-No. In In In In Ft-Lbs Lbs Lbs Lbs psig o A A N D 1 13/4 3/4 3/4 3'/8 '/2 -4 41/4 1 1 - - 20 25 .6 .6 .8 450 450 300 N rn N Z 11/2 13/4 3/4 3/4 37/8 1/2 -4 5 13/8 13/8 - - 20 25 .9 .9 .9 450 450 300 o m o o m °�� f 2 2'/4 3/4 3/4 43/4 5/8 -4 6 2 15/8 11/2 2'/8 25 30 1.3 1.3 1.3 450 450(4) 300 i z= = z f 3 25/8 13/8 1 6 5/8 -4 7'/2 23/8 21/8 1'/8 23/8 25 30 2.6 3.4 3.0 450 45014) 300m = rn m = 4 25/8 13/8 1 71/2 5/8 - 8 9 2'/8 21/2 1'/8 33/8 25 30 3.6 4.9 4.0 225 225(4) 150 o n o o v o 0 0 C o m 6 3 11/2 11/8 91/2 3/4 -8 11 21/2 25/8 2 31/2 25 30 4.4 1 6.5 6.6 225 225(4) 150 0 A X = 4 8 4 13/4 1'/8 113/4 3/4 -8 131/2 3 2'/8 31/2 37/8 30 100 9.3 11.0 10.6 225 225 135 m m m ` . Z z 10 0/4 2 11/4 14'/4 '/8 -12 16 33/4 31/4 41/4 31/2 80 100 16.0 15.8 16.3 225 225 95 = _ 12 5 21/4 11/4 17 '/8 -12 19 4 35/8 41/2 3'/8 80 100 24.0 25.8 24.0 225 225 65 D D o 14 1 3'/e 21/2 17/8 183/4 1 -12 203/4 3 - 3 80 100 30.7 44.8 - 225 150 , 16 31/8 21/2 21/4 211/4 1 -16 231/4 3 3 80 100 37.0 67.3 225 150 a o d 0 0 s ,} d o m > > m o a o o °c �a 0 a n o mm mm mm mri mm mm mm mm(') mm(') mm0) mm(') Wri N-m(2) kg kg kg MPa MPa MPa a 25 44 19 19 79 13 D-4 holes 108 25 25 27 34 .27 .27 .36 3.10 3.10 2.07 z 3 38 44 19 19 98 13 D-4 holes 127 35 35 - - 27 34 .41 .41 .41 3.10 3.10 2.07 ° W 51 57 19 19 121 16 D-4 holes 152 51 41 38 54 34 41 .59 .59 .59 3.10 3.10 2.07 m 76 67 35 25 152 16 D-4 holes 191 60 54 48 1 60 34 1 41 1 1.18 1.54 1.36 3.10 12.07(4) 2.07 q 102 67 35 25 191 16 D-8 holes 229 60 64 48 86 34 41 1.63 2.22 1.81 1.55 1.550) 1.03 0 C 152 76 38 29 241 19 D-8 holes 279 64 67 51 89 34 41 2.00 2.95 2.99 1.55 1.550) 1.03 m � 203 102 44 29 298 19 D-8 holes 343 76 73 89 98 41 135 4.22 4.99 4.81 1.55 1.55 0.93 N 254 121 51 32 362 22 D-12 holes 406 95 83 108 89 108 135 7.26 7.17 7.39 1.55 1.55 0.65 305 127 57 32 432 22 D-12 holes 483 102 1 92 114 98 108 135 10.89 11.70 10.89 1.55 1 1.55 0.45 356 79 64 48 476 25 D-12 holes 527 76 76 108 135 13.93 20.32 1.55 1.03 ONt ,. 406 79 64 57 540 25 D-16 holes 594 76 76 108 135 16.781 30.53 1.55 1.03 l� Heavy Duty Flange (')This is a nominal make-up dimension for draw- (')Steel back-up plates must be used to (4)Heavy duty ANSI 16.5 Class 150 and 300 Dimensions ing layout work only. Do not use for assembly achieve pressure ratings equivalent to flanges rated to 450 psig(3.10 MPa)are avail- Size B C dimensions. the pipe. able. Dimensions are shown in the "Heavy (')Flanges should be joined to flat-faced flanges. Duty Flange Dimensions"table.The maximum In In In R See Fiber Glass Systems'installation and engi- bolt torque for 2%6"is 100 ft.lbs. 2 3 23/4 veering guides for raised-faced flange connec- 3 3'/4 3 tions,bolt,and gasket recommendations. -� 4 1 43/4 31/2 O U1 6 1 41/4 1 4