Burnham BOILER 3 Ratings

SERIES 3 BOILER RATINGS AND DATA

Model number 40 50 60 70 80 90 100 125 150 175 200

Shell Diameter 48 48 48 54 54 54 54 66 66 66 66

BHP 40 50 60 70 80 90 100 125 150 175 200

Gross Output

Net Rating - Steam
Net Rating - Water MBH 1,164 1,456 1,747 2,037 2,329 2,620 2,911 3,638 4,366 5,094 5,822
Heating Surface
Firing Rate-Gas MBH 1,674 2,093 2,500 2,930 3,348 3,766 4,185 5,230 6,276 7,333 8,369

Firing Rate-Oil GPH (140 mbtu/Gal.:150 MBTU/Gal.)12/11 15/14 18/17 21/20 24/23 27/25 30/28 38/35 45/42 52/49 60/56
Furnance Vol. CU.FT 14.8 17.1 19.3 27.8 30.2 33.0 35.8 41.9 47.7 53.1 58.8

Water Content

Approx. Wt.-Dry,

MBH 1,339 1,674 2,009 2,343 2,678 3,013 3,348 4,184 5,021 5,858 6,695
LBS/HR 1,380 1,725 2,070 2,415 2,760 3,105 3,450 4,313 5,175 6,040 6,900
MBH 1,011 1,290 1,560 1,819 2,079 2,339 2,599 3,248 3,898 4,548 5,198
SQ. FT. 4,211 5,376 6,499 7,580 8,663 9,747 10,830 13,535 16,243 18,950 21,658

SQ.FT.F.S. 200 250 300 350 400 450 500 625 750 875 1,000
SQ.FT.W.S. 220 280 335 390 445 500 555 695 835 970 1,110

LBS. Steam 1,760 2,303 2,765 3,285 3,672 4,060 4,523 5,585 6,660 7,758 8,829
LBS. Water 2,185 2,701 3,235 4,160 4,641 5,143 5,711 6,673 7,947 9,245 10,519
(15-30 PSI) 3,700 4,200 4,700 5,500 5,900 6,400 6,900 8,700 9,700 10,900 12,300
(150 PSI) 4,200 4,700 5,200 6,200 6,700 7,200 7,700 9,500 10,600 11,600 13,300

Model No. 3 250 300 350 400 500 600 700 800 900 1,000

Shell Diameter 78 78 90 90 102 102 102 108 114 114

BHP 250 300 350 400 500 600 700 800 900 1,000

Gross Output

Net Rating - Steam
Net Rating - Water MBH 7,277 8,733 10,188 11,643 14,555 17,465 20,377 23,287 N/A N/A
Heating Surface
Firing Rate-Gas MBH 10,461 12,500 14,645 16,738 20,923 25,106 29,319 33,475 37,660 41,846

Firing Rate-Oil GPH (140 mbtu/Gal.:150 MBTU/Gal.)75/70 90/84 105/98 120/112 150/140 180/168 210/196 240/224 269/252 300/280
Furnance Vol. CU.FT 86.6 99.1 113.5 124.7 152.0 174.3 195.8 302.3 278.0 309.0

Water Content

Approx. Wt.-Dry,

MBH 8,369 10,043 11,716 13,390 16,738 30,085 23,433 26,780 30,128 33,476
LBS/HR 8,625 10,350 12,075 13,800 17,250 20,700 24,150 27,600 33,217 34,500
MBH 6,498 7,797 9,096 10,396 12,995 15,594 18,193 20,792 23,500 25,990
SQ. FT. 27,074 32,489 37,901 43,317 54,147 64,957 75,805 86,633 97,615 108,294

SQ.FT.F.S. 1,250 1,500 1,750 2,000 2,500 3,000 3,500 4,000 4,500 5,000
SQ.FT.W.S. 1,360 1,630 1,900 2,175 2,715 3,260 3,805 4,349 4,905 5,430

LBS. Steam 11,174 12,315 15,392 16,765 18,515 22,128 25,767 33,945 40,893 45,437
LBS. Water 13,983 16,649 19,340 22,125 23,788 28,381 33,005 43,762 N/A N/A
(15-30 PSI) 15,400 18,100 21,000 23,200 27,400 31,500 35,700 43,900 47,800 51,600
(150 PSI) 18,600 21,400 23,700 26,100 30,600 35,500 39,700 52,900 56,600 102,200