Seminole3-Pass Wetback Firetube Boiler

The Seminole 3-pass wetback boiler is designed for maximum efficiency, reliability and durability in today’s most demanding environments.

Seminole 3-Pass Wetback Firetube Boiler can burn:
Natural Gas, Propane, #2 Oil, Digester Gas, Hydrogen

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Features

  • 3-Pass wetback design
  • Pressures from 15-300 psi steam and 30-160 psi hot water
  • Sizes from 70-2,500 BoHP
  • Corrugated furnaces on ASME Section I high pressure boilers
  • Large furnace and rear turnaround volume for complete combustion
  • Packaged with Gas, Oil, or Combination Gas & Oil Burner

Construction

  • Customized, proven package burner solution
  • Handholes for waterside access
  • Factory installed gas train available with FM, GE-GAP, NFPA-85, UL and other approvals
  • Structural steel skid available with optional removable skids, jacking pads and seismic design
  • Generous Morrison corrugated furnace (standard on Section I boilers 70 BoHP and above)
  • Wetback turnaround eliminates the need for expensive refractory and minimizes maintenance
  • Front/Rear door gaskets made of ceramic fiber
  • Hinged and davited front and rear doors for complete tube access

Available with NOx reduction technology to 9 ppm.  With pressures of 15 to 300 psi steam and 30 to 160 psi hot water, the Seminole is the intelligent option for your particular needs. Available in sizes ranging from 70 to 2,500 BoHP.

Seminole 3-Pass Wetback Firetube Boiler
Seminole 3-Pass Wetback Firetube Boiler

Seminole 3-Pass Wetback Firetube Boiler Drawings

15# Steam, Low Pressure
30# Water, Low Pressure
150# Steam, High Pressure
Model #
HP
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Model #
HP
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Model #
HP
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70
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70
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70
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80
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80
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80
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100
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100
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100
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125
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125
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125
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150
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150
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150
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200
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200
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200
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250
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250
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250
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300
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300
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300
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350
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350
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350
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400
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400
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400
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