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153 Am. Soc. of Heat.-Vent. Engineers Guide, 1922 TYPICAL RADIATOR CONNECTIONS Am. Soc. of Heat.-Vent. Engineers Guide, 1922 153 --- / & -tt ilC. r 7 ^1 . 7 't ii. f! it*. ^7 r iZ. -/:: tt 7 // ` v* 4r -i i * \ | 1 '9 i P Q. t o9 c* 6 Dim ensions and capacities o f steam driven vacuum pumps. C apacities based on piston displacem ent o f 15 to 20 times that necessary to handle th e w ater o f condensation. NOTES--In making radiator connections allowance must be made for expansion. All branch connections to pitch down at least 1" in 5'-O'* in direction of arrows. Automatic valves or traps plugged with grease or dirt can be cleaned in gasoline. Safety Valve Sizes. Low Pressure Boilers. A. S. M. E., Std. Up to 3.25 sq. ft Grate = 1 326 to 4.50 sq. ft. Grate = 1H" 4.51 to 8.00 sq. ft. Grate = 2" 8.01 to 12.50 sq. ft. Grate = 2lA" 12.51 to 17.75 sq. ft. Grate = 3" 17.76 to 24.00 sq. ft. Grate -- 3l/in Over 24 sq. ft. Grate = 2 Valves n 0 0 4 n : r - 0 0 00 00 00 0 (4 (4 z O0 05 04 0 0 0 0 0 0 a4 0 4 k * - = = 2 2 o4 5 O o 0 5 0 a V V V - - O N 0 n 4 * 0 0 0 0 00<K-. ? 9 * ? H24 V 0V 4 < < " sso S r 0? 4<4 2 04 140 <0 s i 00 4 a 5 4 * 5 * 0 s n 0 =0s fHt! > 5 V V V 10 *4 9 t rta4C 0 rftMi ** H ft! n 4 M 40 0 m - t 0 - 0 0 s 0 - M 4 VI W} " 4 4 4 - -- V <4 Iftl 4 - - - 05 i i * 4 - - - ft! H 0 f0t! * J i J 4 * 4 - < ? y 3l * * J i - - - > mi r if. i 5 l f3t. Jj*>r fli! u 3 *1*0 "4V* 4 VQ NIJ 4* 1 **'*;jU r no 4 oe 44 4 = *O* (4 4 ! 4 14 * 40 a 0 0 0V 0 0r * 0 0 44 Jj ? 0 0 ? 0 0V f 0 <4 0 0 r* 0 a ? a4 O oV 8 a e O o Oeo 0 8 34 8 a 3 OO ooo m ooo s O | M oH 1 so0 O4 T OO 3 0 04 a 3V 0 0 O OO 4 O I| 4 4 ?. 0 % 0 4 0 3 3 8 0 2 4 44 09 ftft n 4 4 41 0 0 o 0 * 0 4 0 4 4 0 0 O O 0 0 0 0 s i 4 4 4 0 am < ft! V V 0 4 4 r 9 - 0 0 c 0 0 m 5 4 g 4 s * ft! S 0 0 04 V V 4V! <4 4 - r ft! 0 f 0 ! H 0 C o0 o4 O0 4 a 49 O O 0 O0 o 4 a o 4 0 4 00 4 0 4 e O 4 0 4 3 3 04 0 4 3 0 '