Choice Of Nozzles, Pump Pressure, Combustion Head Adjustment - Riello Burners P 140 T/G Manuel D'entretien

5. CHOICE OF NOZZLES, PUMP PRESSURE,
COMBUSTION HEAD ADJUSTMENT
•
State, first of all, the maximum output required with all three nozzles in
operation.
•
On the base of the maximum required output, choose, from table A, three
related nozzles.
Use nozzles with a 60° spray angle at the recommended pressure of 12 bar.
For three-stage operation, up to:
- 116 kg/h (P 140 T/G)
- 170 kg/h (P 200 T/G)
- 193 kg/h (P 300 T/G)
st nd
1 and 2 nozzle are not equal to the 3
st nd
(during 1 and 2 stage of operation), complying with German Standard DIN.
A
THREE-STAGE OPERATION SUGGESTED NOZZLES:
NOZZLES 60°
PUMP 12 BAR
GPH
1° 2°
6,5 6,5
7 7
7,5 7,5
8 8
8,3 8,3
8,5 8,5
9 9
9,5 9,5
9,5 9,5
9,5 9,5
10 10
10,5 10,5
11 11
*
The pump pressure is referred to all three nozzles operating, the pressure increases automatically with two
nozzles in operation and more with only one.
rd
one. Follow this procedure in order to obtain higher values of CO
P 140 T/G
TOTAL
* DELIVERY
kg/h
3° 1°+2°+3°
3,5 71,1
4 77,2
4 81,6
4 85,8
4 88,4
4,5 92,3
5 98,7
6 107,4
8 115,9
9,5 122,4
10 128,7
10,5 135,3
11 141,6
NOZZLES 60°
PUMP 12 BAR
GPH
1°
10 10
10,5 10,5
10,5 10,5
11 11
12 12
12 12
13 13
13,8 13,8
13,8 13,8
13,8 13,8
13,8 13,8
14 14
15 15
15,3 15,3
44
2°
P 200 T/G
* DELIVERY
2° 3° 1°+2°+3°
5
5
6
6,5
6,5
7,5
7,5
7,5
10
12
13,8
14
15
15,3
1°
3°
2
TOTAL
kg/h
107,3
111,7
115,9
122,3
130,9
135,2
143,8
150,7
161,3
169,9
177,6
180,3
193,2
197,1