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5.5.1.1 Optional shut-off valve in the pressure line
According to DIN EN 12056-4, a shut-off valve has to be installed between the backflow
preventer and the adapter flange.
i
The shut-off valve on the pressure side is not included in scope of delivery. The suitable
shut-off valve with an overall length of 190 mm has the article number 10649. The mount-
ing kit (in V2A design) for the shut-off valve has the article number 20421.
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SANICUBIC 1 FRK
1. w Lay the supplied seal ring (O-Ring DN 100) into
the groove of the pressure outlet of the collecting
tank.
2. w Insert the threaded bolt (M16x60) into hole 1
3. w Put on the shut-off valve. While doing so, ar-
range the holes/threaded hole congruently.
4. w Screw the nut (M16) on the threaded bolt 1.
5. w Screw in the 3 screws M16x40 and
tighten the 4 screw connections equally cross-
wise.
6. w Put the flange seal DN 100 on the connection
flange of the shut-off valve.
7. w Put on the adapter flange. While doing so, ar-
range the holes/threaded holes congruently.
8. w Create the screw connections with 4 screws
M16x90 and
4 nuts M16 between the shut-off valves valve
and the adapter flange and equally tighten
crosswise.
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