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2222
INJECTORS TABLE
BURNERS
NOMINAL POWER
BTU/hr
REDUCED POWER
BTU/hr
LP/PROPANE
11” W.C.P.
NATURAL GAS
4” W.C.P.
Ø injector
[1/100 mm]
Ø injector
[1/100 mm]
Semi-rapid (SR)
8000 1500 85 139
Triple ring (TR)
12000 5000 102 170
Dual (D)
Inner crown
2800 (
1
) 1100 (
1
)
50
(no. 1 central)
80
(no. 1 central)
Outer crowns
17000 (
2
) 6500 (
2
)
80
(no. 2 outer)
139
(no. 2 outer)
2
(1) Power calculated only with inner crown operating
(2) Power calculated with inner and outer crowns operating
Fig. 2.6a
Fig. 2.6b
Fig. 2.6c
Semi-rapid burner
Triple ring burner
Dual burner
OPERATIONS TO BE
PERFORMED WHEN
SUBSTITUTING THE
INJECTORS
• Remove the pan supports, the burner
caps and the ame spreaders.
• Using a wrench substitute the nozzle
injectors “J
1
”, “J
2
”, “J
3
” and “J
4
”
(gs. 2.6a, 2.6b, 2.6c) with those
most suitable for the kind of gas for
which it is to be used.
• Ret the ame spreaders, the burner
caps and the pan supports.
The burners are conceived in such a
way so as not to require the regulation
of the primary air.
J
2
J
3
J
4
J
1
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