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FIN-PRC004-EN40
Performance
Data
Table PD-25 — Ratings, Type 4E, E3 and E3-2W Enclosures With Copper/Aluminum Elements
Steam Capacity Hot Water Capacity
Per Ft.-1 Psi at 65°F Air Btu/Hr./Ft. — At 65°F Air, Average Water Temperature
Per Meter - 6.895 kPa Watts/Meter — At 18.3°C Air, Average Water Temperature
at 18.3°C Air
Install. 220°F 210°F 200°F 190°F 180°F 170°F 160°F 150°F140°F130°F120°F 110°F 100°F
Fin Series Height EDR 104°C99°C93°C88°C82°C77°C71°C66°C60°C54°C49°C43°C38°C
Per Foot Inches Sq. Ft. Btu/Hr./Ft. IBR Factor — Steam to Hot Water
Element Per Meter Tiers Encl. mm Sq. M Watts/Meter 1.05 0.95 0.86 0.78 0.69 0.61 0.53 0.45 0.40 0.33 0.26 0.20 0.15
1
1
/4” CA 1 4E 9
1
/8 5.41 1300 1365 1235 1120 1015 895 795 690 585 520 430 340 260 195
32 mm 232 58 1250 1310 1190 1080 976 861 764 664 563 50 413 327 250 188
Copper Tube 40 1 E3 9
3
/16 5.95 1430 1500 1360 1230 1115 985 870 760 645 570 470 370 285 215
Alum. Fins 131 m 233 64 1380 1440 1310 1180 1070 847 837 731 620 548 452 356 274 207
Fins 3
1
/4” x 5
1
/4” 2 E3-2W 8
15
/16 10.70 2570 2700 2440 2210 2005 1775 1570 1360 1155 1030 850 670 515 385
83 x 133 mm 227 115 2470 2600 2350 2120 1930 1710 1510 1310 1110 990 817 644 495 370
Thickness .015” 14E9
1
/8 6.10 1465 1540 1390 1260 1140 1010 895 775 660 585 485 380 295 220
.38 mm 232 66 1410 1480 1340 1210 1100 971 861 745 635 563 466 365 284 212
50 1 E3* 9
3
/16 6.70 1610 1690 1530 1385 1255 1110 980 855 725 645 530 420 320 240
233 72 1550 1620 1470 1330 1210 1070 942 822 697 620 510 404 308 231
164 m 2 E3-2W 8
15
/16 12.08 2900 3045 2755 2495 2260 2000 1770 1535 1305 1160 955 755 580 435
227 130 2790 2930 2650 2400 2170 1920 1700 1480 1260 1120 918 726 558 418
14E9
1
/8 6.45 1550 1630 1470 1335 1210 1070 945 820 700 620 510 405 310 230
232 69 1490 1570 1410 1280 1160 1030 909 789 673 596 490 389 298 221
58 1 E3* 9
3
/16 7.08 1700 1785 1615 1460 1325 1175 1035 900 765 680 560 440 340 255
190 m 233 76 1640 1720 1550 1400 1270 1130 995 865 736 654 538 423 327 245
2 E3-2W 8
15
/16 12.79 3070 3225 2915 2640 2395 2120 1870 1625 1380 1230 1015 800 615 460
227 138 2950 3100 2800 2540 2300 2040 1800 1560 1330 1180 976 769 591 442
1
1
/4” Steel 1 4E 9
1
/8 4.90 1170 1230 1110 1010 910 810 710 620 525 465 385 305 235 175
32 mm 232 53 1120 1180 1070 971 875 779 683 596 505 447 370 293 226 168
Steel Tube 52 1 E3* 9
3
/16 5.40 1290 1350 1230 1110 1010 890 790 685 580 515 425 335 255 190
Steel Fins 171 m 233 58 1240 1300 1180 1070 971 856 760 659 558 495 409 322 245 183
Fins 2
1
/2” x 5
1
/4” 2 E3- 8
15
/16 9.70 2320 2430 2210 2000 1820 1600 1420 1230 1045 925 765 600 465 345
64 x 133 mm 2W* 227 104 2230 2340 2120 1920 1750 1540 1360 1180 1000 889 736 577 447 332
Thickness .027”
.69 mm
*IBR does not have procedure for rating pedestal mounted enclosures.
Dimensions in bold indicate metric units.
NOTE: Rating is Btu/hr/ft (Watts/meter) of finned length (for element dimensions see page 49). Hot water ratings determined by applying correction factor to steam ratings, are for
water velocities of 3 ft/sec (.91 m/s) or greater. See page 9, Chart S-1 for correction factors for water velocities other than 3 ft/sec (.91 m/s). For definition of installed height and heating
effect factors, see page 11. For heating ratings at other steam pressures and/or entering air temperatures, see page 10, Table S-2.