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
3/13
Contents:
1
Use of product .......................................................................................................................................................... 4
1.1 Technical data.................................................................................................................................................... 4
2 Installation................................................................................................................................................................. 5
2.1 Unpacking.......................................................................................................................................................... 5
2.2 Installation into the system................................................................................................................................. 5
2.3 Connections ....................................................................................................................................................... 5
2.3.1 Compressed air connection ..................................................................................................................... 5
2.3.2 Electrical connection................................................................................................................................ 6
2.3.3 Position indicator options......................................................................................................................... 7
3 Operation .................................................................................................................................................................. 8
3.1 Normal operation................................................................................................................................................ 8
3.2 Operating states................................................................................................................................................. 8
3.3 Operation under increased temperature ............................................................................................................ 8
3.4 Behavior in case of compressed air pressure drop............................................................................................ 8
3.5 Behavior in case of power failure....................................................................................................................... 8
3.6 Adjustment of the soft-pump opening (intermediate position)............................................................................ 8
4 Trouble shooting....................................................................................................................................................... 9
5 Maintenance & repairs.............................................................................................................................................. 9
5.1 Replacement of vacuum seals......................................................................................................................... 10
5.1.1 Dismounting of "actuator/plate assembly" ............................................................................................. 10
5.1.2 Replacement of plate seal ..................................................................................................................... 10
5.1.3 Replacement of plate seal (intermediate position)................................................................................. 10
5.1.4 Mounting of "actuator/plate assembly"................................................................................................... 10
6 Drawing................................................................................................................................................................... 11
7 Spare parts ............................................................................................................................................................. 12
8 Warranty................................................................................................................................................................. 13