MAPP GAS AND COMPRESSED AIR BURNER
THE USE OF ANTIFREEZE (Continued)
(2) Sentinel Antifreeze Coolant
This burner, simple in design, is effective for bending
rails, beams, and other steel.
(3) Factory replacement material
Take a 4 in. pipe cap, thread a 1/2 in. pipe to its center,
-Fomoco or Rodunda
then (for aspirated air), drill 10 equally spaced 1/4 in.
holes on a 2-7/8 in. diameter circle and 10 equally
General Motors-G.M. -1899M
spaced 1/4 in. holes on a 3-3/4 in. diameter circle
(Figure 4-5). Attach it to a burning skirt of 9 in. long,
(4) Major Oil Company Products
4 in. diameter, Sch. 80 pipe. Make a No. 28 drill hole
in the 1/2 in. pipe's cap for MAPP gas and compressed
air. This set up should have a Y-connection with
needle valves and reverse-flow checks for MAPP gas
Other products not containing oil inhibitors
Operating pressures: approximately 20 psig MAPP
Antifreeze levels should be checked periodically,
gas and 20 psig compressed air, Consumption:
(three to six months) and changed as needed.
approximately 100 cfh MAPP gas with the burner
Inspectors should check flash-back arrestors to look
adjusted to a high velocity roaring sound. An
for signs of glycol foaming or frothing, the frost
oxidizing flame should extend a short distance beyond
indication that antifreeze should be changed. Drain
the end of the burner.
and refill antifreeze at regular intervals (two or three
months) in large usage areas to prevent foam from
By modifying this basic design, different size burners
getting into the pipeline or equipment.
can be made for use with MAPP gas.