Super Type Safety Valve
1/2" DG300S
Detail
Super Type Safety Valve
1/2" DG300S
Detail
Super Type Safety Valve
3/4" DG300S
Detail
Super Type Safety Valve
3/4" DG300S
Detail
Super Type Safety Valve
1" DG300S
Detail
Super Type Safety Valve
1-1/4" DG300S
Detail
Super Type Safety Valve
1-1/2" DG300S
Detail
Super Type Safety Valve
2" DG300S
Detail
Super Type Safety Valve
2" DG300S
Detail
Super Type Safety Valve
2" DG300S
Detail
Super Type Safety Valve
2" DG300S
Detail
Nominal size Maximum heating power of the boiler
Kw kcal/h Kw kcal/h Kw kcal/h Kw kcal/h Kw kcal/h Kw kcal/h Kw kcal/h
1/2 " 36 30960 43 36980 50 43000 56 48160 70 60200 84 72240 98 84280
3/4 " 72 61920 86 73960 100 86000 112 96320 140 120400 168 144480 195 167700
1 " 144 123840 172 147920 200 172000 224 192640 280 240800 336 288960 390 335400
1 1/4 " 252 216720 302 259720 350 301000 395 339700 490 421400 588 505680 682 586520
1 1/2 " 433 372380 518 445480 600 516000 678 583030 840 722400 1008 866880 1170 1600200
2 650 559000 778 669080 900 774000 1017 874620 1260 1083600 1512 1300320 1755 1509300
Opening pressure(bar) 1,5 2 2,5 3 4 5 6

 

Size Chart
A
A1
H (mm)
h (mm)
L (mm)
D (mm)
weight(gr)
1/2 " 1/2 "
45
25
26
31
162
3/4 " 1 "
50
33
45
31
213
1 " 1 1/4 "
73
40
45
49
520
1 1/4 " 1 1/2 "
80
42
47
49
750
1 1/2 " 2
120
56
60
71
1480
2
2 1/2 "
160
60
65
71
2200

 

For the Using hot water system circuit selection table
A
Boiler Displacement Liter
Heat Exchanger power kW
Do mm
a w
1/2 "
<= 200
75
12
0.25
3/4 "
200 -1000
150
14
0.2
1 "
1000 -5000
250
20
0.3
1 1/4 "
>= 5000
30000
27
0.25
1 1/2 "
-
-
35
0.35
2
-
-
42
0.35

 

For the Pressure tank etc.. circuit selection table
Nominal Size
can be discharged flow m3 / h
1/2 "
2.8
3
3.1
3.3
3.4
3.7
4
4.2
4.4
3/4 "
3
3.2
3.4
3.6
3.7
4
4.3
4.6
4.8
1 "
9.5
10.1
10.6
11.1
11.6
12.6
13.4
14.3
15
1 1/4 "
14.3
15.1
16
16.1
17.5
18.9
20.2
21.4
22.6
1 1/2 "
19.2
20.4
21.5
22.5
41.2
44.5
47.6
50.5
53.2
2
27.7
29.3
30.9
32.4
50.9
54.9
58.7
62.3
65.7
Pressure bar
4
4.5
5
5.5
6
7
8
9
10
Technicial Specifications