Recommended Installation - Hawido 1401 Instruction

Pressure relief and pressure retention valve with backflow prevention dn 40 to dn 200;
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3.

Recommended installation

Before the installation of the fitting, the pipe lines must be carefully blown or flushed through to prevent any
foreign material, such as pieces of wood, stones etc., from entering the regulating valve.
The HAWIDO must be installed horizontally with the valve cover upwards (other models available on
request). We recommend that a gate valve and a dirt trap be fitted in front of the valve, as well as the
mounting of an gate valve at the outlet.
If the HAWIDO 1400 is used as a safety valve the shutoff gate valve on the outlet side can be omitted.
Before the installation, check that no coarse foreign objects can penetrate into the HAWIDO.
Please contact us for other types of installation.
04.06.2013/plü

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