Sturtevant fuel econmizers and air heaters. (1911)
B. F. Sturtevant Company · Sturtevant Engineering Company · leaf 11
20 IO.5 H 5 500 290 {35 240 105 9.S H 6 575 290 160 320 16c *5-3 (• 7 667 30S 169 269 IOO 9.6 (I 8 4S0 250 no 26c 150 J3-7 Chimney 9 600 375 90 230 140 12.5 Mechanical IO 600 35° no 24c 130 xi.8 Chimney II 410 204 120 285 i .65 iS-a Mechanical 12 480 240 90 2IC I20 10.7 13 5°5 212 S4 276 I92 17,1… … 5TURTLVANT FULL LCONOMIZLR5 RETURN ON INVESTMENT EFFECTED BYAVERAGE ECONOMIZER INSTALLATION The actual saving which an economizer makes over the intereston the investment plus a fair percentage for depreciation and repairs investment is a strong factor in determining the advisabilityreturn 0f…
Heating · Furnaces · Boilers
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