Description Overview 1200 hp (41,400 lbs per hour) capacity Dryback design 3-pass scotch marin firetube boiler Built to asme code section i and national board rules Full skid base 2 in mineral wool insulation and stainless steel metal jacket on entire boiler shell Hinged front and rear flue doors Rear observation port Specifications Heating surface: 6000 sq ft Design pressure: 250 psig Operating pressure: 200 psig Electrical: 480 volts, 3 phase, 60 hz Gas rate: 50,400 scfh Codes: ul/iri Flue gas recirculation: 12 in Burner Power flame lnicm12a-g0-30 burner Natural gas primary fuel #2 oil secondary fuel Nox: 30 ppm Turndown ratio: 10-1 on gas and 8-1 on atomized oil Tube Specifications Tubesheet thickness: 0.875 in mw Tubes: 2.5 in od x 0.105 in mw – xid tubing Tubes: 2.5 in od x 0.105 in mw – bare
