VAT 29 Series

Installation, Operating & Maintenance Instructions
Series 29, DN 25 - 50 (I.D. 1" - 2")
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 CH@vatvalve.com www.vatvalve.com
257676ED
2006-05-11
4/13
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
Leak rate 1 x 10
-9
mbar l / s
Pressure range: valve open 1 x 10
-8
mbar to 1.2 bar (abs)
Molecular flow conductance DN 25: 14 l s
-1
DN 40: 45 l s
-1
DN 50: 80 l s
-1
Differential pressure on the plate
- in opening direction ≤ 1,2 bar
- in closing direction ≤ 1.2 bar
Differential pressure at opening ≤ 1 bar in either direction
Admissible temperature Valve body 0° - 150°C
Actuator 0° - 120°C
Position indicator 0° - 80°C (Option: 120°C)
Solenoid 0° - 80°C
Cycles until first service 2 million at T
max
80°C
Position indicator: contact rating Voltage 50 V AC / DC
Current 0.1 A
Power 1.0 VA / W
Solenoid Voltage see specification tag on solenoid
Technical data for valves with options:
The appropriate «Product Data Sheet» is supplied on request