Burkert 2300 Instructions De Service page 23

Control function a:
→
In manual mode, set the stroke of the activation unit to
approximately 50%. The corresponding description can be found
in the operating instructions of the respective activation unit in
the chapter "Start-up and Operation".
Control functions B and i:
For control functions B and I it is not necessary to switch on com-
pressed air for the installation.
→
Remove actuator when valve in open position.
Remove nipple thread from the valve housing with open-end
wrench.
Flats for open-end
wrench
Fig. 11: Installation
Type 2300
Installation
Actuator
Nipple
Valve housing
further procedure for all control functions:
for welded housings
→
Weld valve housing in pipeline system.
→
If required, replace graphite seal.
for other housing versions
→
Connect housing to pipeline.
Warning!
danger if incorrect lubricants used!
Unsuitable lubricant may contaminate the medium. In oxygen
applications there is a risk of an explosion!
• In specific applications, e.g. oxygen or analysis applications, use
appropriately authorised lubricants only.
→
Grease nipple thread before re-installing the actuator (e.g. with
Klüber paste UH1 96-402 from Klüber).
→
Control function a: Pressurise control air connection 1 of the
activation unit with compressed air (5 bar) so that the pendulum
disc is lifted off the valve seat and is not damaged when
screwed in.
→
Screw actuator into the valve housing.
Observe tightening torque (see table "Tightening torques of
valve housing / nipples").
english
23