1
2
3
4
5
6
P_MAZ_0021_SW
Fig. 5: PP, NP, PV and TT designs
Installing stainless steel pipe - SS design
1
2
3
4
5
P_MAZ_0022_SW
Fig. 6: SS design
Installing hose lines - SS design
8.1.2 Installation of metering pumps with bleed valve
Safety information
Installation of the return line
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
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.
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.
Installation, hydraulic
Ä 'Installing stainless steel pipe - SS
23