Installation, Operating & Maintenance Instructions
Series 48.2, DN 63-160 (I.D. 2 ½ - 6")
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected]
www.vatvalve.com
273777ED
2007-03-30
4/19
1
Use of product
Use product for clean and dry indoor vacuum applications under the conditions indicated in chapter «Technical data»
only! Other applications are only allowed with the written permission of VAT.
1.1 Technical
data
Pressure range
extreme UHV to 2 bar (abs)
Differential pressure on the gate
2 bar in either direction
Max. differential pressure at opening:
DN 63 – 160
500 mbar, 1 bar with reduced cycle life
Admissible temperature:
Valve
extended
≤
300°C open and closed
Valve
compact
≤
200°C open and closed
Pneumatic
actuator
≤
200°C (option: 300°C, radiation resistant E6Gy 140°C)
Position
indicator
≤
80°C (option: 200°C)
Solenoid
≤
80°C
Position indicator: Contact rating
≤
50 V AC / DC;
≤
1.2 A
(80°C version)
≤
50 V AC / DC;
≤
1 A
(200°C version)
Solenoid
see tag on solenoid
Further data according to VAT catalogue «Vacuum Valves 2008».
2 Installation
2.1 Unpacking
Be carefull during opening the boxes and nylon bag, do not contaminate the valve.
Also pay attention that valve and flanges are not damaged when the valve is lifting out of the box and
handled afterwards.
2.2 Installation into the system
Remove protection flanges only prior assembly into the vacuum system!
The valve must not support other components and has to be protected from forces of the system
(e.g.by bellows sections).
