Installation, Operating & Maintenance Instructions
Series 650 DN 350 (I.D. 14”), CC-Link
VAT Vakuumventile AG, CH-9469 Haag, Switzerland
Tel +41 81 771 61 61 Fax +41 81 771 48 30 [email protected] www.vatvalve.com
286241EA
2010-10-11
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10. This valve has a double sealed rotary feedthrough and optionally an intermediate pumping port for the actuator shaft.
This port (1/8“ ISO/NPT) could be connected to the vacuum line, see Figure 2 below.
11. These valves may optionally be equipped with a heating device. Connect VAT heating device according to manual of
respective heating device.
12. Perform «Setup procedure» to prepare valve cluster for operation.
Note: Without performing the setup procedure the valve cluster will not be able to do pressure control.
Fig. 1
Fig. 2
2.3 Tightening
torque
Note:
The torque values below are dependent on many factors, such as materials involved, surface quality, surface treatment,
and lubrication.
intermediate
pumping port
IN
OUT
