K - Series
Suitable for firetube boilers; the K series features a unique aerodynamic air shutter design which permits accurate air-to-fuel settings for maximum combustion efficiency. The K series offers natural gas, propane gas, pressure atomized #2 oil and combination gas/oil fuel options at capacities from 1,250,000 to 14,650,000 Mbtu/hour.
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Features Include:
- Natural gas, propane gas, pressure atomized #2 oil and combination gas/oil fuel options
- Cam trim with 14-point adjustment range for consistent air/fuel ratios
- Parallel positioning available for optimal control throughout the firing range
- Top or rear mount panel options
- Backward-curved impeller provides adequate combustion air for various furnace pressures
- Gas manifold on oil burners standard for easy upgrade to combination units
- Multi-blade-type air damper system with silencer
- Forced draft for clean and efficient combustion
- UL & cUL listed
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Capacities and Specifications
| Burner Size |
13 | 17 | 21 | 25 |
30 | 34 | 42 | 54 |
63 | 84 | 105 | 125 |
145 |
| Frame Size |
1.0 | 1.0 | 1.0 | 1.0 |
1.0 | 1.0 | 1.0 | 1.0 |
1.0 | 1.0 | 1.0 | 1.0 |
1.0 |
| Gas Input (Mbtu/hr) |
1,300 | 1,700 | 2,100 | 2,500 |
3,000 | 3,400 | 4,200 | 5,400 |
6,300 | 8,400 | 10,500 | 12,500 |
14,500 |
| Oil Input (US gph) |
8.9 | 12.5 | 14.9 | 17.9 |
20.9 | 23.9 | 29.9 | 37.4 |
44.8 | 59.8 | 74.7 | 89.7 |
105 |
| Boiler Horsepower |
30 | 40 | 50 | 60 |
70 | 80 | 100 | 125 |
150 | 200 | 250 | 300 |
350 |
| Blower Motor HP using Remote Oil Pump |
1/2 | 1/2 | 3/4 | 3/4 |
3/4 | 1 | 2 | 2 |
3 | 5 | 5 | 7-1/2 |
10 |
| Blower Motor HP using Direct Drive Oil Pump |
1/2 | 1/2 | 3/4 | 3/4 |
3/4 | 1 | 2 | - |
- | - | - | - |
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| Remote Oil Pump Horsepower |
1/3 | 1/3 | 1/3 | 1/3 |
1/3 | 1/2 | 1/2 | 3/4 |
3/4 | 1 | 1-1/2 | 1-1/2 |
1-1/2 |
| Furnace Pressure ("w.c.) |
0.75 | 0.75 | 0.75 | 0.75 |
1.5 | 1.5 | 1.5 | 3 |
3 | 3 | 4 | 4 |
4 |
| Standard Gas Train Pipe Size (in.) |
1-1/2 | 1-1/2 | 1-1/2 | 1-1/2 |
1-1/2 | 1-1/2 | 2 | 2 |
2 | 2-1/2 | 3 | 3 |
3 |
| Gas Pressure Required ("w.c.) |
3.9 | 6.6 | 10.1 | 14.3 |
13.1 | 16.9 | 12.9 | 12.5 |
17.1 | 19.1 | 19.8 | 31.6 |
42.2 |
| Shipping Weight (lbs) |
450 | 450 | 450 | 500 |
500 | 600 | 600 | 700 |
700 | 1,100 | 1,100 | 1,100 |
1,100 |
Gas Based:
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Oil Based:
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Gas/Oil Based:
| Model | Fuel |
| KLG | Gas/No. 2 Oil |
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Notes:
- Oil input based on No. 2 @ 140,000 Mbtu/gal.
- Gas input based on Natural Gas @ 1,000 Mbtu/cu.ft. and 0.60 specific gravity
- Boiler overall efficiency of 80% estimated. Industrial Combustion does not guarantee overall boiler efficiency.
- Impeller and motor H.P. based on altitudes up to 2000ft. above sea level. For impellers and motor sizes at higher altitudes, and 50 cycle applications, consult factory. Standard motor voltages are 230/1/60 or
208-230-460/3/60
- Capacity based on neutral to 0.75" W.C. furnace pressure for models K13-25, neutral to 1.5" W.C. for models K30-42, furnace pressures up to 3" W.C. for models K54-84, and furnace pressure up to 4" W.C. for models K105-145
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