Installation instructions
Before installing the measuring instrument, the pipe must be free of particles and moisture
The variable area flowmeter must be installed in a vertical position
The direction of flow is from the bottom upwards
The measuring instrument must be installed stress-free. Please use the mounting holes
provided for this purpose
The process connections must not be sealed with sealing tape or liquid sealer. Residues might
enter the instrument and lead to defects
(See also paragraph Recommended connections)
Before commissioning, make sure that the connections are sealed
Instructions for commissioning
The operating limits must not be exceeded
(See section Technical Information)
Connect the control valve to the flow meter or other control element
Open the media supply
Slowly open the control valve and set the required set value
(See also section Operating principle of the variable area flow meter)
Recommended connections
We recommend the following connections:
Pneumatic plug-in connection with O-ring or flat seal
Compression ring connection with O-ring or flat seal
Screw-in hose connection with O-ring or flat seal
Hose connectors with flat seal
Please note the available connection versions for our instruments and our range of accessories.