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.
T
ightening 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. T
urn both rotary knobs approx. 3 revolutions to the left; the metering line is then
drained.
2. Then close again.
Commissioning / Operation
30417101434 Rev. 5-05.2019