4.3 Technical data table
MODEL
Powers
Heating Power (Net Heat Value - Hi)
Useful heating power
Gas supply
Pilot nozzle G20-G25
Pilot nozzle G31
Main nozzles G20
Feed pressure G20
Pressure at burner G20
Delivery G20
Main nozzles G25
Supply pressure G25
Pressure at burner G25
Delivery G25
Main nozzles G31
Supply pressure G31
Pressure at burner G31
Delivery G31
Heating
Maximum working temperature
Maximum working pressure in heating
No. elements
Minimum working pressure in heating
No. burner trains
Boiler water content
Dimensions, weights connections
Height
Width
Depth
Weight with packing
Gas system connection
Heating system delivery
Heating system return
Electrical power supply
Max electrical power absorbed
Power voltage/frequency
Electrical protection rating
88
51
Pmax
Pmin
56
32,7
kW
51
30
kW
Pmax
Pmin
1 x 0,40
mm
1 x 0,24
mm
3 x 3,50
mm
20,0
mbar
13,3
4,8
mbar
3
5,9
3,5
nm
/h
3 x 3,50
mm
25,0
mbar
mbar
13,3
4,8
3
nm
/h
5,9
3,5
3 x 2,15
mm
37,0
mbar
36
11,4
mbar
4,34
2,53
kg/h
° C
100
6
bar
4
0,8
bar
3
22
litres
1000
mm
550
mm
900
mm
250
kg
3/4"
inch.
1" 1/2
inch.
1" 1/2
inch.
20
W
230/50
V/Hz
X0D
IP
cod. 3540P900 - Rev. 01 - 03/2018
GASTER N 51 ÷ 102 AW
68
85
Pmax
Pmin
Pmax
Pmin
74,8
43,6
93,5
54,5
68
39,5
85
49,5
Pmax
Pmin
Pmax
Pmin
1 x 0,40
1 x 0,40
1 x 0,24
1 x 0,24
4 x 3,50
5 x 3,50
20,0
20,0
13,3
4,8
13,3
7,9
4,6
9,9
4 x 3,50
5 x 3,50
25,0
25,0
13,3
4,8
13,3
7,9
4,6
9,9
4 x 2,15
5 x 2,15
37,0
37,0
36
11,4
36
11,4
5,79
3,37
7,24
4,22
100
100
6
6
5
6
0,8
0,8
4
5
26
30
1000
1000
640
720
900
900
300
350
3/4"
3/4"
1" 1/2
1" 1/2
1" 1/2
1" 1/2
20
20
230/50
230/50
X0D
X0D
102
Pmax
Pmin
112,0
65,4
102,0
59,5
Pmax
Pmin
1 x 0,40
1 x 0,24
6 x 3,50
20,0
4,8
13,3
4,8
5,8
11,8
6,9
6 x 3,50
25,0
4,8
13,3
4,8
5,8
11,8
6,9
6 x 2,15
37,0
36,0
11,4
8,68
5,07
100
6
7
0,8
6
34
1000
800
900
400
3/4"
1" 1/2
1" 1/2
40
230/50
X0D