Commissioning / Operation
7.4
Normal operation
Fig. 9: Normal operation
During normal operation, the MFV operates with its set pressure maintenance and
overpressure function.
Rotary Knobs A + B are closed (Right-hand stop).
Valve-housing screws (Fig. 11, Item 1) must be retightened after 24 h.
Tightening torque: 8 Nm.
7.5
Drainage
Fig. 10: Normal operation
In the drainage position, the counterpressure is released, and the product can flow from
the metering line via the bypass line back into the product tank.
1.
Turn both rotary knobs approx. 3 revolutions to the left; the metering line is then
drained.
2.
Then close again.
417101434 Rev. 5-05.2019
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