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Gas Models
LP-Liquid Propane at 11 inches water pressure (21 mmHg) while operating.
NG-Natural Gas at 7 inches water pressure (13 mmHg) while operating.
Burners used are rated 800,000 or 1,200,000 or more Btu each and need gas pressure of 11
inches water column LP, or 7 inches water column Natural Gas while running.
flow will average less than rated and fluctuate depending on many factors.
should make the final decision on pipe size. Have a trained pipe and gas person install the lines
per codes that apply. Use gas approved thread sealant that is liquid or paste, not tape. Allow
for future service that may require pipes to be separated. Use a drip leg to protect burners.
Purge and leak test all lines before running unit.
TIP: Never exceed 14 inches water column in gas lines or it may seize the valves or regulators.
Use the gauge(s) supplied or install one of your choice.
REGULATOR:
1. Use a properly sized regulator which maintains reduced pressure under static
conditions when no gas is flowing. (Dead end lock up).
2. For best results install regulator as near as possible to the incinerator.
3. Regulate LP gas to 11" W.C., NAT gas to 7" W.C. (while burners are burning).
4. Do not exceed 14" W.C.
PRESSURE GAUGE:
•
A gas pressure gauge is supplied with each incinerator and should be located as
close to the burner as possible. See below.
•
Place a manual gas valve near burner.
•
Allow for disconnecting lines, use proper fittings to facilitate service if needed.
have Firelake factory build the gas train thus may be different than shown.
P77-3 SC30 Manual 9.27.2019
Typical pipe assembly. Some customers
Page 16
Actual gas
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