To provide power to the valve motor pins 4 and 8 must be bridged, otherwise motor
interlock is active and the valve enters the safety mode and is not operative. Refer
also to chapter «Safety mode».
8. This valve may optionally be equipped with a heating device. Connect VAT heating device according
to manual of respective heating device.
9. Perform chapter «Setup procedure» to prepare valve for operation.
Without performing the setup procedure the valve will not be able to do pressure
Control.
4.3 Tightening torque
4.3.1 Mounting of ISO-KF flanges
Tightening torques for ISO-KF flange connections depend on the type of seal which is used. Follow
recommendations of seal manufacturer.
4.4 Admissible forces
Force at valve body
Forces from the weight of other components can lead to deformation of the valve body
and to malfunction of the valve.
Do not higher force the valve body as specified.
The following forces are admissible.
Axial tensile or
compressive force «F
A
»
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