KLINGER KVN Series, Standard Operation Manual, Page: 19 / 22

wT 1255/12
Page 19
» Now fully close and then reopen valve (the bonnet recedes into the body during the
opening process)
» Retighten hex nuts
» Fully close valve (turn handwheel right)
» Tighten hex nuts in accordance with tightening torques provided in table
» Function test
13 Actuator Mounting
The actuator is to be executed with a torque in accordance with the nominal size. The
values are to be defined with the manufacturer following a technical query (pressure,
sealing material, media etc.).
13.1 Fitting the Actuator
When fitting actuators, the requirements of the actuator manufacturer have to be
mandatorily complied with. The manufacturer assumes no liability for damage resulting
from improper actuator installation. In case of doubt, it is recommended to discuss every
actuator installation with the manufacturer of the actuator and the valve. Installation work
may only be carried out by qualified personnel.
» Bring piston valve into the „CLOSED“ position
» Place the actuator in the correct positional arrangement and screw together
» Set the end positions
» Function test
!
CAUTION
With regard to electrical actuators, it must be ensured that the end
positions are limited by the path end switches and not by the torque end
switches.
!
CAUTION
The valve is closed clockwise. It is to be ensured that the movement is
precisely complied with in its OPEN-CLOSED end positions.