
64 … 72
MC • Edition 05.20 • Nº 279 663
65 … 72
Work step
Tool designation
Pressure
rating
Wrench size
DN 25
DN 40
DN 50
1
Loosen the pulse line.
Open-ended wrench (A)
ND/MD/HD
24
24
24
2
Release the adjusting springs.
Socket wrench (B)
ND/MD/HD
17
17
17
Socket wrench (B)
22
22
22
3
Separate the ASE from the
body
Internal hex key (C1)
ND/MD/HD
2.5
2.5
2.5
Jointed hook wrench with pins according to
DIN 1810 (D)
60-90
60-90
60-90
4
Replace the working membrane
in the ASE.
Internal hex key (C2)
ND/MD/HD
4
4
4
SAV
Work step
Tool designation
Pressure
rating
Wrench size
DN 25
DN 40
DN 50
1
Loosen the pulse line.
Open-ended wrench (A)
ND/MD/HD
24
24
24
2
Release the adjusting springs.
Open-ended wrench (A)
ND/MD/HD
24
24
24
Jointed hook wrench with pins (D) (UHD)
90-155
90-155
90-155
3
Replace the working membrane.
Internal hex key (C1)
ND/MD/HD
5
5
5
Open-ended wrench (A)
13
13
13
4
Replace the seal.
Open-ended wrench (A)
ND/MD/HD
13
17
17
5
Replace the valve seat.
Socket wrench (B)
ND/MD/HD
27
46
46
Regulator