1 Hose
2 Union nut
3 Clamp ring
4 Nozzle
5 O-ring or flat seal
6 Valve
1. Pull the union nut (2) and clamp rings (3, 4) over the pipe (1) with
approx. 10 mm overhang - see
Ä ‘Installing stainless steel pipe - SS
design’ on page 23
.
2. Insert the pipe (1) up to the stop in the valve (5) and then withdraw
1...2 mm.
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.
8.1.2 Installation of metering pumps with bleed valve
CAUTION!
– All the installation and safety information for
metering pumps without bleed valves also apply.
A return line is also connected in addition to the suction and discharge
line.
Fig. 5: PP, NP, PV and TT designs
Installing stainless steel pipe - SS design
Fig. 6: SS design
Installing hose lines - SS design
Safety information
Installation of the return line
Installation, hydraulic
23
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