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