Available in Steam or Hot Water Versions | 15 - 800 HP Pressures to 300 psig
- Two-pass design eliminates refractory baffles between flue gas passes.
- Minimum maintenance with rugged construction for extra-long life.
Standard Features
- Boiler is of the two-pass, scotch type, built and stamped in accordance with the requirements of the ASME Code, and listed by the National Board of Boilers and Pressure Vessel Inspectors.
- Large combustion chamber with low heat release for complete combustion.
- Smoke box is front-mounted with slip-on stack connector.
- Access to fireside is accomplished with hinged and davited rear door (40 HP & larger) and with split front doors. Flame observation ports are on front and rear.
- Openings for cleanout inspection of waterside are provided with 3" x 4" hand holes, and with 12" x 16" manholes (80 HP up).
- Insulated with 2" high-density mineralwool, lagged with 22 gauge grip jacketing, baked on epoxy enamel to resist chipping and fading.
- Firetubes are rolled and beaded on power boilers, expanded and flared on low pressure boilers (2" dia. through 30 HP, 2 1/2" dia. 40 HP and up).
- Supports include lifting lugs securely welded to the top of shell; structural steel support legs on skids support the boiler so that special foundations are not required.
Standard Steam Trim
- Operating & limit pressure control
- Modulating pressure control (when appl.)
- Water column with gauge glass, M-M 157 combination low water cut-off & pump control
- Probe Aux, L.W.C.O.
- Steam pressure gauge, syphon & test cock
- Water column drain valve
- Safety relief valve(s) per ASME Code
Standard Water Trim
- Operating & limit temperature control
- Modulating temperature control (when appl.)
- Probe type low water cut-off control
- Combination pressure, temperature, altitude gauge
- Hot water return baffle for shock resistance
- Safety relief valve(s) per ASME Code