Document 7MMr79YqN9RJyZOOkvJ6RM6x6

HEATINC VENTILATING AIR CONDITIONING CUIDE 1942 Table 1. Sizes--Large-Tube Cast-Iron Radiators Sectional, cast-iron, tubular-type radiators of the large-lube pattern, that is, having tubes approximately 1% in. in diameter Number of Tubes per Rating per SECTIONa A Height Section DiMENSioNsb B Width Minimum Maximum c Spacing -- D Heightc Radiator Length (Sections RADIATOR)d Sq Ft In. In. In. In. In. V 4 2A m 3A 4K 23 26 32<= 38f 6M o% 6% 6% 6% 6% 6% 6% 2A 2A 2A 2A 4A As Required 4A Do 4A Do 4A Do 5 2% 20 8 3 23 8 3A 26 8 4% 32e 8 5 38f 8 8% 2Ah 4A 8% 2Ah 4A 8% 2Ab 4A 8% 2Ab 4A m 2Ab 4A Do Do Do Do Do 64 6 26 9 38f 9 10% 10% 2A 2A 4A 4A Do Do 7 2A 3% 148 n% 12%; 20 im 12%s 2a 3 2A 3 or 4^ Do Do ^uaic (we ut equivalent direct steam radiation is defined as the ability to emit 240 Btii per hour, with steam at 215 F. in air at 70 F. These ratings apply only to radiators installed exposed in a normal manner; not to radiators installed behind enclosures, grilles, etc. (See A.S.H.V.E. Code for Testing Radiators.) bSee Fig. 1. cWhere greater than standard leg heights are required, this dimension shall be 6 in., except for 7-tube fsuercntiisohnes,dinwihtheoiguhttslefgrso.m 13 to 20 in., incl. for which this dimension shall be 4)4 in- Radiators may be dMaximum assembly GO sections. eAlternate height by 1 producer is 30 in. fAlternate height by 2 producers is 36 in.; by another, 37 in. SAlternate height by 1 producer is 13 in.; by 2 producers 13H in.; by another, 15 in. hFor 5-tube hospital-type radiation, this dimension is 3 in. CHAPTER 13. RADIATORS AND CONVECTORS mendation R174-40 for large-tube cast-iron radiators. A program is now in progress for the establishment of a similar recommendation for smalltube cast-iron radiators. Tables 1 and 2, and Figs. 1 and 2 show the sizes and dimensions of large-tube and small-tube cast-iron radiators which are being manufactured at the present time. Pipe coils are assemblies of standard pipe or tubing (1 in. to 2 in.) which Table 2. Sizes--Small-Tube Cast-Iron Radiators Number OF Tubes PER Section Catalog Rating per SECTIONa Sq Ft 3e . 1.6 1.6 4e 1.8 2.0 2.1 5e 2.4 3.0 1.6 2.3 3.0 3.7 Section DiMENsiossb A Heightc B Width Minimum Maximum c Spacing In. In. In. In. 25 3M 3A i% 19 m 4'He i H 22 4% 4'% m 25 4%6 4'% m 22 5% 6%, i% 25 5% 0% m 32 5% 6He i% 14 6% 8 19 6% 8 25 6`He 8 32 6`Ke 8 m m i% i% D Leg Heightc Radiator Length (Sections per RADIATOR)d In. 2A 2A 2A2A 2A 2A 2A 2A 2A 2A 2A As Required Do Do Do Do Do Do Do Do Do Do aThe square foot of equivalent direct steam radiation is defined as the ability to emit 240 Btu per hour, with steam at 215 F, in air of 70 F. These ratings apply only to radiators installed exposed in a normal manner; not to radiators installed behind enclosures, grilles, etc. (See A.S.H.V.E. Code for Testing Radia tors.) bSee Fig. 2. coverall height and leg height, as produced by some manufacturers is one inch (1 in.) greater than shown in columns A and D. Radiators may be furnished without legs. dEven number of sections. Maximum assembly 60 sections. Or equal. rci B-i 1 Fig. 1 Types and Dimensions of Large-Tube Cast-Iron Radiators 254 r Fig. 2. Types and Dimensions of Small-Tube Cast-Iron Radiators 255