Commissioning; Installation Of The Valve - Burkert 2030 Instructions De Service

COMMISSIONING

Installation of the valve

Installation in any orientation but preferably with the drive unit above. Self-emptying for an angle of 15 to
30° between the drive axis and the horizontal.
Clean piping from contamination!
Before attaching the valve housing, make sure the piping is aligned!
If the housing is to be welded on, make absolutely sure that the drive unit is removed beforehand.
Procedure:
1.
Control functions A
Pressurize the lower control connection of the drive unit with compressed air (6 bar).
Control function B and I
With control function B or I, compressed air must not be applied.
2. Removing the drive unit: Remove the drive unit in the open position by unscrewing the
housing screws from the housing.
3.
Re-installing the drive unit (in open position)
Place the drive unit onto the housing and lightly tighten the housing screws over the diagonal
until the diaphragm lies in contact between the housing and the drive unit.
4.
Tightening the housing screws to the specified torque
Control function A
Control function B
Control function I
6 - 2030/2031K big
Pressurize the lower control connection of the drive unit with compressed air (6 bar)
twice and relieve again so that the valve switches.
Then tighten the housing screws without control pressure to the nominal torque
(approximate value) given below.
Pressurize the upper control connection of the drive unit with compressed air and
relieve again so that the valve switches.
Then tighten the housing screws with applied control pressure to the nominal torque
(approximate value).
Switch the valve twice.
Then tighten the housing screws with applied control pressure at the upper control
connection to the nominal torque (approximate value).