14
5.2 Installation in pipes
The unit is installed in the pipe using adapters� Adapters have to be ordered sepa-
rately as accessories�
-Order no� E40191: 2 adapters for ½“ NPT pipes + 2 seals)�
1� Screw the adapter (B) into the pipe (A)�
2� Place the seals (C) and install the unit according to the marked flow direction�
3� Screw the adapter (B) with the threads (D) until it is hand-tight�
4� Tighten the two adapters in opposite direction (tightening torque: 30 Nm)�
After installation air bubbles in the system can affect the measurement� Help:
►
Rinse the system after installation for ventilation (rinsing quantity > 1 gpm)�
In cases of horizontal installation: As a result of design requirements a small
quantity of the medium always remains in the measuring channel after switching
off the pump�
5.3 Protection against high medium temperatures
For medium temperatures over 122°F some parts of the housing can heat up to
over 140°F�
►
Protect the housing against contact with flammable substances and unintenti-
onal contact�