28
3.4 Diameter of internal water cooling coil collectors
Caution:
The cooling coils accept a maximum pressure of 8 bars.
Water cooling coils
3-way valve female connector
Models
Type of cooling
coil
Ø Ext. copper
collector
(Inch GAS thread)
Kvs valve
DN (mm)
VEX520
1 row
1/2
"
0.63
15
2 rows
1/2
"
1.6
15
VEX525
1 row
1/2"
0.63
15
2 rows
1/2"
2.5
15
VEX530
1 row
3/4"
1.6
15
2 rows
3/4"
4
20
VEX540
1 row
3/4"
1.6
15
2 rows
3/4"
6.3
20
VEX550
1 row
3/4"
2.5
15
2 rows
3/4"
10
25
VEX560
1 row
3/4"
4
20
2 rows
1"
10
25
VEX570
1 row
3/4"
4
20
2 rows
1"
10
25
VEX580
1 row
3/4"
4
20
2 rows
1"1/2
25
40