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Down fire Dunkirk Steamer 246B-6??? Need Advice.....have one cracked burner tube

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JUGHNE
JUGHNE Member Posts: 11,109
I have seen smaller versions of these with one manifold orifice opening with a solid plug, factory setup.

I have one burner with crack on far end burning badly.
There are 10 burners with 6 CI sections.
The end burners are not directly under the sections, rather that flame/heat is directed inward side ways by firebrick.

I was looking for opinions and ramifications of what to be wary of by plugging/capping off that end burner or maybe both end burners.

This is 525,000/420,000 BTUH. Clocked meter at 514,285 BTUH.
Connected EDR is 1218 X 240 = 292,320 and with 1.33 pick up needs 388,786 BTUH.

Plugging one burner would drop 10% giving 378,000 output.
Plugging two burners would drop 20% giving 336,000 output.

336,000 would give 15% pickup factor.
One pipe system, all piping is well insulated.
4" Header and 2 X 4" 6' risers.

Has anyone done this.......advice appreciated. Thanks.

Comments

  • HVACNUT
    HVACNUT Member Posts: 5,890
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    I would think that's something only Dunkirk can answer.
  • Steamhead
    Steamhead Member Posts: 17,008
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    We've done this in an emergency- remove the burner and orifice, and plug the orifice tapping using a standard plug of whatever pipe thread is used. Get the new burner and put everything back together.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting