C SERIES FORCED DRAFT
PACKAGED FIRETUBE GENERATOR
SUGGESTED SPECIFICATION
Specifier Note: to use as a project specification;
A. Insert, in the blank spaces provided, the applicable model number, capacity, fuel and electrical data.
B. Delete the items in parentheses or marked "*" which are not applicable to the project requirements.
C. Insert, where applicable, optional non-standard features desired.
SPECIFICATION
Boilers:
Furnish and install _____ forced draft firetube boiler(s) for (#2 oil)(natural gas)(combination #2 oil/natural
gas) complete with fuel burning equipment, safety and operating controls, and appurtenances as herein
specified. The boiler(s) shall be fully assembled and wired at the manufacturer's factory, requiring only
connection to power, fuel supply and system piping to be ready for operation.
1. Boiler unit(s) shall be Burnham C Series________ as manufactured by Burnham Commercial for (15
PSIG steam)(30 PSIG water) service and shall have a gross output of (_________ lbs/hr)(__________
MBH).
2. Boiler pressure vessel shall be constructed, tested and marked in accordance with Section IV of the
ASME code for low pressure heating boilers and shall be registered with the National Board of Pressure
Vessel Inspectors.
3. Units shall fit through a 36" x 80" doorway with trim and controls removed.
4. Units shall be of modified Scotch design with two passes of horizontal firetubes and cylindrical
horizontal furnace tube. Unit(s) shall be sealed for pressurized firing and shall have a welded on structural
steel base with extension beyond boiler front for protection of the burner. Units(s) shall have a gas tight
seal welded front flue door with insulated lining keyed in place, and gas tight bolted-on rear smokebox with
top outlet. Connections shall be provided for trim and controls, supply and return, 2” washouts and bottom
drain.
5. Hot gas rear reversing chamber shall be watercooled side walls and light weight target wall; use of cast
refractory will not be permitted. Reversing chamber cover shall have a Pyrex glass observation port.
Removal and reinstallation of the rear cover door shall be easily accomplished by one person using ordinary
hand tools. Removing the rear access door and rear smokebox shall provide full access to the tube sheets
without disconnecting any fuel lines or electrical wiring.
6. Unit(s) shall be provided with factory-installed enamel finish jacket and not less than 1" thick fiberglass
insulation.
*7a. Trim and controls for steam units shall consist of steam pressure gauge, water gauge set, ASME safety
valve, combination low water cutoff and pump control with alarm contacts and quick opening blowoff
valve, probe type manual reset auxiliary low water cutoff operating pressure control, high limit pressure
control, firing rate control when firing with low-high-low or modulating sequences.
*7b. Trim and controls for water units shall consist of pressure-altitude gauge and thermometer, ASME
relief valve, manual reset low water cutoff, operating temperature control, high limit temperature control,
firing rate control when firing with low-high-low or modulating sequences. The use of external circulating
pumps shall not be allowed.
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