TABLE I - RATINGS
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BURNER |
H E A TING |
WATER |
I BOILER |
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NET I=B=RRATING |
CONTENT |
W EIGHT |
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I |
NPUT |
SURFACE |
FULL |
W/ WATER |
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(SQ.FT.) |
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(GALLONS) |
(LBS.) |
( I ) Suffix '5**indicates stea m boi ler , "W" indicates water bo 
i ler . Suf f 
l x "G" indicates gasfired, "0" indicates oilfired , "GO" indicates comblnat ion gasoil fired.
(2) I=B= R net ratings shown are based on piping and pickup allowances which vary from 1.333 to 1.315 for steam and 1.15 for water.
Consult manufacturer for installations having unusual piping and pickup requirements , such a s intermittent system operat ion, extensive piping systems , etc .
The I=B=Rburner capacity in GPH is based on oil having a heat value of 140,000BTU per gal 
l on.
(3)£301 ler ratings are |
based |
on 12.5% CO', |
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+ .lo" water column pressure at boiler |
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flue |
outlet. |
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MAXIMUM ALLOWABLE WORKING PRESSURE: |
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(USA) |
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(CANADA) |
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STEAM - 1 5 PSI |
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STEAM |
- |
1 5 PSI |
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WATER - 50 PSI |
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WATER |
- |
45 PSI |
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OPTIONAL SPECIAL ORDER - 70 PSI |
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Ratings shown above apply at altitudes |
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up |
to |
1000 feet |
on |
oil and 2000 feet |
on |
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gas. |
For a l t i tudes |
above |
those |
i nd I |
cated , |
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the |
ratings should |
be reduced at the rate |
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of |
4% for each |
1000 feet |
above |
sea |
leve l . |
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