30
The plug
19
must be removed first
with a Allen key 6 mm, before the
pressure adjustment can be made.
Key size (KS) for adjustment
Pressure-reducing valve
INCH
DN
KS
1/2 + 3/4
15 + 20
5 mm
1 + 1 1/4
25 + 32
6 mm
1 1/2, 2 + 2 1/2
40, 50 + 65 8 mm
m
3
14
3
2
19
20
18
13
13
1
8 18
8