Document zz3a43MQr5rDDLxo6E90bn8Dn

American Society of Heating and Ventilating Engineers Guide, 1929 F ig . 2. Steam Se r v ic e a n d M eter Co n n ec tio n s w it h W a te r Pr eh eater Chapter XI--Central Heating Systems Table 5. ' Pipe Sizes for Underground Supply Mains Based on a Velocity of 10,000 Ft. per Minute Gage Pressure Lb. feb Minute 200 Deg. Fahr. per Hr. Pipe Loss B.t.u. per Hour, per Ft. Length Bare Covered (10% of Bare) Lb. Steak Hour per Ft. Length 0 10 20 40 60 80 100 120 140 160 180 200 0 10 20 40 60 80 100 120 140 160 180 200 0 10 20 40 60 80 100 120 140 160 180 200 0 10 20 40 60 80 100 120 140 160 180 200 2.23 3.65 4.98 7.68 10.3 12.8 15.3 18.1 20.6 23.0 26.0 28.5 , 8.70 14.2 19.4 29.8 40.0 49.7 59.8 70.5 80.4 89.6 101.0 . 111.0 19.2 31.3 42.8 65.5 87.5 108 130 153 174 194 220 240 33.0 54.0 73.8 113 153 189 227 268 305 340 384 420 1 in. Pipe 131,100 217,200 298,200 461,400 627,000 780,000 936,000 1,110,000 1,272,000 1,416,000 1,608,000 1,764,000 2 in. Pipe 512,400 846,000 1,158,000 1,794,000 2,436,000 3,030,000 3,660,000 4,338,000 4,950,000 5,520,000 6,240,000 6,888,000 S in. Pipe 1,129,200 1,860,000 2,562,000 3,588,000 5,280,000 6,588,000 7,980,000 9,420,000 10,740,000 11,940,000 13,560,000 14,880,000 4 in. Pipe 1,944,000 3,210,000 4,422,000 6,840,000 9,300,000 11,520,000 13,920,000 16,440,000 18,780,000 21,000,000 23,760,000 25,440,000 116 143 168 206 236 260 284 304 322 337 355 373 209 258 306 372 426 471 513 548 582 608 641 674 309 380 451 549 628 . 694 756 809 857 897 945 993 397 489 579 705 806 891 971 1039 1101 1152 1214 1275 11.6 14.3 16.8 20.6 23.6 26.0 28.4 30.4 32.2 33.7 35.5 37.3 20:9 25.8 30.6 37.2 42.6 47.1 51.3 54.8 58.2 60.8 64.1 67.4 30.9 38 45 55 63 69 76 81 86 90 94 99 39.7 48.9 57.9 70.5 80.6 89.1 97.1 103.9 110.1 115.2 121.4 127.5 0.0119 0.015 0.0179 0.0224 0.0262 0.0292 0.0322 0.0349 0.0374 0.0395 0.0420 0.0445 0.0216 0.0270 0.0327 0.0406 0.0472 0.0529 0.0582 0.0631 0.0675 0.0714 0.0760 0.0804 0.0319 0.0399 0.0480 0.0600 0.0693 0.0775 0.0864 0.0931 0.0999 0.1058 0.1110 0.1180 0.0404 0.0514 0.0617 0.0769 0.0895 0.1000 0.110 0.119 0.128 0.135 0.144 0.152 'l 209