Series 091
INSTALLATION
1088779EA
Edition 19.05.2021
9/27
NOTICE
Wrong tightening torque
Valve body and screws may get damaged.
Use tightening torque according the size of the screws.
NOTICE
Too long screws
Valve body may get deformed and / or malfunctions may occur.
Use only screws recommended by VAT.
Identify flange type according the fabrication number on the identification plate;
see Example: 091 . . – P . . . / . . . = Flange type ISO-F.
Valve
Maximum screw-in depth «G» in mm
Nom. I.D.
Flange types
mm
inch
C
U
P
J
T
63
2½ G =
12
12
12
12
12
80
3
G =
12
12
12
12
12
100
4
G =
12
12
12
12
12
160
6
G =
12
12
15
15
15
200
8
G =
16
C = CF-F, metric thread
U = CF-F, UNF thread
P = ISO-F
J = JIS
T = ASA-LP
Table 4-1
