47
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)
1
st
and 2
nd
nozzle are not equal to the 3
rd
one. Follow this procedure in order to obtain higher values of CO
2
(during 1
st
and 2
nd
stage of operation), complying with German Standard DIN.
THREE-STAGE OPERATION SUGGESTED NOZZLES:
*
The pump pressure is referred to all three nozzles operating, the pressure increases automatically with two
nozzles in operation and more with only one.
NOZZLES 60°
TOTAL
NOZZLES 60°
TOTAL
PUMP 12 BAR
*
DELIVERY
PUMP 12 BAR
*
DELIVERY
GPH
kg/h
GPH
kg/h
1°
2°
3°
1°+2°+3°
1°
2°
3°
1°+2°+3°
6,5
6,5
3,5
71,1
10
10
5
107,3
7
7
4
77,2
10,5
10,5
5
111,7
7,5
7,5
4
81,6
10,5
10,5
6
115,9
8
8
4
85,8
11
11
6,5
122,3
8,3
8,3
4
88,4
12
12
6,5
130,9
8,5
8,5
4,5
92,3
12
12
7,5
135,2
9
9
5
98,7
13
13
7,5
143,8
9,5
9,5
6
107,4
13,8
13,8
7,5
150,7
9,5
9,5
8
115,9
13,8
13,8
10
161,3
9,5
9,5
9,5
122,4
13,8
13,8
12
169,9
10
10
10
128,7
13,8
13,8
13,8
177,6
10,5
10,5
10,5
135,3
14
14
14
180,3
11
11
11
141,6
15
15
15
193,2
15,3
15,3
15,3
197,1
1°
2°
3°
A
P 140 T/G
P 200 T/G