MIL-DTL-24640C
1 3/16±1/16"
MIXING CHAMBER
AREA SHOWN
ENLARGED BELOW
A
7/8±1/16"
2±1/8"
1/2"
A
NOMINAL PIPE
1/16±1/32"
TO GAS/AIR
MIXING
SUPPLY
CHAMBER
12 1/4±1/4"
ENLARGED VIEW
24 1/2±1/4"
7/8±1/16"
OF SECTION A-A
1/32
ALL MIXING CHAMBER
#14 USSG STEEL
HOLES 0.085±0.0001" DIA
#16 USSG STEEL
1/16±1/32"
TOTAL NUMBER OF HOLES ON
EACH SIDE OF MIXING CHAMBER
MIXING
92 MINIMUM, SPACED AND POSITIONED
CHAMBER
AS SHOWN.
HOLES ON 1/4±1/32" CENTER
MIXING CHAMBER TACK-WELDED
TO INSIDE BASE OF BURNER AT
BOTH ENDS.
ENLARGED VIEW OF BURNER END
FIGURE 5. Side view of burner showing internal mixing chamber for the gas flame test.
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