Installation, Operating & Maintenance Instructions
Series 244, DN 10 - 50 (I.D.
⅝" - 2")
Series 245, DN 16 - 50 (I.D. 1" - 2")
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
258343EE
2013-09-16
5/14
2
Installation
2.1 Unpacking
Before unpacking the valve, make sure that the packaging is in impeccable condition and the valve has not suffered
damage.
Note!
The plastic packing material and/or protective covers may only be removed immediately before the valve is
mounted into the system. Unprotected sealing surfaces must be treated with care and kept clean.
2.2 Installation into the system
DN (nom. I.D.)
Axial tensile or
compressive force
«F
A
»
Bending moment
«M»
mm
inch
N
lbf
Nm
lbf
.
ft
10
3/8
25
6
1
0.8
16
5/8
25
6
1
0.8
25
1
70
16
3
2.2
40
1½
100
22
6
4.5
50
2
150
34
11
8
A combination of both forces «F
A
» and «M» is prohibited. Please contact VAT.
2.3 Connections
2.3.1 Compressed air connection
Connect compressed air only when
- valve is installed into the system
- moving parts cannot be touched
The valve is opened by a spring at compressed air failure.
Connection: Internal thread M5 (adapter as option)
Compressed air pressure (min. - max. overpressure): 4 - 8 bar / 60 - 115 psi
Use clean, dry or slightly oiled air only!
