Document jy06yj94vmLqeMyyv4ZDX8Kxk

American Society of Heating and Ventilating Engineers Guide, 1932 134 T able 2. Pressure L oss, Ca p a c ity in Sq uare F e e t of E q u iv a l e n t Ra d ia t io n a n d V e lo c ity R e la t io n s h ip B ased on IT a b l e 1, for V ario us Pressure D rops w it h . 1 L b. n it ia l Steam Pressure (Note.--No allowance for condensation in pipe^--unusual friction--scale--corrosion or other factors.) SO to sO r-~ OO o CN - es ro P r e s s u r e Loss in Ounces per 100 F t . 14 20 24 * CCSNJ 5 * k & d? PIPE SIZE * XIJ s k **? ta s rH k XN Cu & k & $ k X & Velocity Ft. per Second 28 7.5 Velocity Ft. per Second 61 Velocity Ft. per Second 95 - Velocity Ft. per Second 193 Os tO N rfCxoN. r0--0 CN CN t-- Or*s. 39 134 56 21 190 24 386 4ot0N 25 173 30 269 34 66 899 901 009 08 109 96 28 212 38 329 42 53 I"-. 35 245 274 43 380 47 425 49 55 ! 863 62 69 rfO-- s TNf StoO o O' ro-. Os ro*o S N. 8 300 52 59 43 324 56 503 66 1020 sO f*. r*- OtoO 3 tr--o rt>o* SO ----------1 52 346 rfOO--O 538 68 1091 1220 89 192 424 659 1336 208 458 94 1443 rO to 70 490 86 100 126 O0' 249 548. 850 1806 148 to 273 82 | 931 124 1890 S oo rr*>- 3 Velocity Ft. per Second 318 449 24 635 ' 36 898 50 1100 .62 1270 72 .1421 1556 88 1681 95 1797 102 2009 114 2201 2377 134 2541 144 2841 161 3113 | 08 to r> t-- qstoos Velocity Ft. per Second es 581 822 30 1163 8 1645 2014 74 2326 85 2600 2848 105 3077 113 3289 122 3677 | 135 33 4028 4351 4651 175 5200 196 215 to O' Velocity Ft. per Second 869 23 1228 33 1737- 47 89 2457 3009 84 Os 3474 3884 109 CO 4255 4596 128 sO 4 4913 to 5493 6017 167 6500 180 6948 192 7768 215 8510 238 5 . ij fi T able 2. (C ontinued) Chapter 9--Steam Heating Systems and Pipe Sizes 135