Page 636 - APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS, Volume 1, 3rd Edition

598 Applied Process Design for Chemical and Petrochemical Plants

A-17.
Equation of Pipes

The table below gives tho number of pipes of one size requirer! t.o equal in delivery other larger pipns of sumo lcugt.h and under same
conditions. The upper portion above the diagonal line of stars pertains to "standard" steam and gas pipes, while the lower portion is for
pipes of the ACTUAL int orual dinrnclors given. The figures given in the table opposite the intersection of any two sizes is the number
of the smaller-sized pipes required to equal one of the hrµ;i,r. Thus, it, requires 2!) standard 2-innh pipes to equal one standard 7-inch pipe.
STANDARD STEAM AND GAS PIPES
!)
,'i
%
10
7
ti
8
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18 20:127 7810 2fi!I I 8•10 :117 UI,'-; 110 :i1. l 2!1.(i 18,2 11.0 8.:1,'i G.11 ,1.n:1 :u;o 2.S7 2.;!!i 1.!)2 }.;j!) 1.:m i.in 18
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24 42624 rn:375 G041- I 7(ll 778 41G 250 113 G2.l :18.2 2.5.0 17.5 12.8 D.70 7.5F, ti.OJ 4.02 4.02 3.32 2.84 2.43 24
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42 177724 (i8282 2:1.'i:11 7:1,11 :124.'i 17:14 1044 473 2.'i!.l 150 1()1 7:1.0 !i:1.4 40.fi :11.,'i 2,'i.1 20.5 l(i.8 1:ui 11.!) 10.1 42
48 249351 \J,'i818 3:!020 10:m1 4r,r,1 24:!4 141\� 1- GH3 31\3 22:1 14G 102 75.0 ;j(i.8 44.2 :15.2 28.8 2:-1.!i 1 !).4 16.0 14.2 48
----· --- ----- -----
Dia. 72 % 1 172 2 272 3 4 5 6 7 8 9 10 11 12 l:\ 14 15 16 17
By permission, Buffalo Tank Div., Bethlehem Steel Corp.