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61 mm

2

5

 m

m

OHA-Flood Barrier DN 50

 

with PP-Siphon and two combi-device-
connection, closeable, Backwater double 
and emergency closure

# 6702

Flood Barrier

ATTENTION:

• It must be ensured that the OHA blocking device is installed straight and without tension. When installing, observe the "flow direction".

• Before using a spiral, the locking mechanism must be removed!

• In the event of backflow, considerable pressure can build up in the piping system and affect the body. This can lead to a pressing out of the 
    barrier from the drain line. In order to prevent this, the locking mechanism must be additionally fastened.

The 

Flood Barrier, (backwater valve acc. to DIN EN 13564 Type 5) 

for Faecal-free wastewater with two self-

contained closures and an emergency stop prevents backflow of the dirty water in the event of backwater, 

whereby the emergency stop can be manually operated and locked. 

The maintenance

 is acc. to DIN EN 13564 

two times yearly

 be carried out by qualified personnel, in addition, the barrier must be cleaned and any defective parts 

replaced.

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