
Installation, Operating & Maintenance Instructions
Series 162, DN 320 - 400 (I.D. 12” - 16")
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Contents:
1Use of product .......................................................................................................................................................... 4
1.1 Technical data see product data sheet .............................................................................................................. 4
2Installation................................................................................................................................................................. 4
2.1 Unpacking.......................................................................................................................................................... 4
2.2 Installation into the system................................................................................................................................. 4
2.3 Tightening torque for flange screws................................................................................................................... 4
2.3.1 Mounting with centering ring.................................................................................................................... 4
2.3.2 Mounting with O-ring in groove................................................................................................................ 6
2.4 Admissible forces............................................................................................................................................... 6
2.5 Connections....................................................................................................................................................... 7
2.5.1 Compressed air connection at standard valve......................................................................................... 7
2.5.2 Compressed air connection at 3-position actuator (optional)................................................................... 8
2.5.3 Electrical Connection standard valve....................................................................................................... 9
2.5.4 Electrical connection 3-position valve (optional).................................................................................... 10
3Operation................................................................................................................................................................ 11
3.1 Normal operation.............................................................................................................................................. 11
3.2Operation under increased temperature .......................................................................................................... 11
3.3 Behavior in case of compressed air pressure drop.......................................................................................... 11
3.4 Behavior in case of a power failure.................................................................................................................. 11
3.4.1 Emergency operation at power failure ................................................................................................... 12
3.5 Operation of 3-position actuator (optional)....................................................................................................... 12
3.5.1 Normal operation of 3-positon actuator.................................................................................................. 12
3.5.2 Behavior in case of compressed air pressure drop................................................................................ 12
3.5.3 Adjustment procedure of third position .................................................................................................. 12
3.5.4 3-position actuator control logic............................................................................................................. 12
4Trouble shooting..................................................................................................................................................... 13
5Maintenance & repairs............................................................................................................................................ 14
5.1 Safety instructions............................................................................................................................................ 15
5.2 Lubrication & Tightening torque specifications................................................................................................. 16
5.2.1 Lubrication specifications....................................................................................................................... 16
5.2.2 Tightening torque specifications ............................................................................................................ 16
5.3 Maintenance procedures.................................................................................................................................. 16
5.3.1 Standard cleaning procedure................................................................................................................. 16
5.3.2 Replacement and cleaning of rotary feed through seal ......................................................................... 17
5.3.3 Retrofit of the standard actuator with a 3-postion actuator .................................................................... 19
6Drawing................................................................................................................................................................... 20
6.1 Valve assembly drawing .................................................................................................................................. 20
6.2 3-position actuator assembly drawing.............................................................................................................. 21
7Spare parts ............................................................................................................................................................. 22
8Warranty................................................................................................................................................................. 22