3. Tighten the union nut (2).
1 Pipe
2 Union nut
3 Rear clamp ring
4 Front clamp ring
5 Valve
CAUTION!
Warning of feed chemical spraying around
Connections can come loose in the event that
hose lines are installed incorrectly on stainless
steel valves.
– Only use PE or PTFE hose lines.
–
In addition, insert a stainless steel support
insert into the hose line.
1 Hose
2 Union nut
3 Rear clamp ring
4 Front clamp ring
5 Support insert
6 Valve
8.1.2 Installation with metering pumps with degassing
INFORMATION: All the installation and safety information for
metering pumps without degassing also applies.
A return line is also connected in addition to the suction and pres‐
sure line.
1. Attach the hose line to the return hose sleeve or to the liquid
end vent valve. PVC hose, soft, 6x4 mm is recommended.
2. Feed the free end of the return line into the supply tank.
3. Shorten the return line so that it is not immersed in the feed
chemical in the supply tank.
Fig. 12: SS designs with pipe
Installing hose lines - SS version
Fig. 13: SS version with hose
Safety information
Installation of the return line
Installation, hydraulic
35
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