VAT 111 Series, Installation, Operating, & Maintenance Instructions

Page: 9 / 27

Series 111 INSTALLATION
984132EA Edition 09.07.2019 9/27
NOTICE
Inappropriate tools
Sealing surfaces may get damaged.
Do not use sharp-edged tools.
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.
1. Identify flange type according the fabrication number on the identification plate; see chapter «1.1
Identification of product».
Example: 110 . .
–
C . . . / . . . = Flange type CF-F, metric thread
Valve Maximum screw-in depth «X» in mm
Nom. I.D. Flange types
mm inch C U P J T
63 2.5 X = 13 13 13 13 15
100 4 X = 13 13 13 13 15
160 6 X = 13 13 13 13 15
200 8 X = 13 13 15 15 19
C = CF-F, metric thread
U = CF-F, UNF thread P = ISO-F
J = JIS T = ASA-LP
Table 4-1
2. Remove protective covers from body flanges.
3. Clean sealing surfaces and seals of both flanges;
see (1) and (2) according to «Figure 4-1» on page 10.
The valve seat side is marked with the symbol «

» on flange «A».
4. Lift the valve to the mounting position; use only the eyebolts threats; see dimensional drawing.