GB
MU1H-1220GE23 R1020
9
9. Disposal
•
Red bronze housing
•
High-quality synthetic material valve cartridge
•
High-quality synthetic material or red bronze check
valves
•
Brass ball valves
•
Sealing elements made of elastomer materials
suitable for drinking water
•
Discharge connection
DN15-25 High quality synthetic material
DN32-50 Red bronze
Observe the local requirements regarding
correct waste recycling/disposal!
10. Troubleshooting
Disturbance
Cause
Remedy
Discharge valve opens without Pressure strokes in water supply
Install a pressure reducing valve upstream
apparent reason
system
the backflow preventer
Fluctuating inlet pressure
Install a pressure reducing valve upstream
the backflow preventer
Cartridge insert is contaminated
Remove cartridge insert and exchange it
Discharge valve don’t close
Deposits on valve seat
Remove cartridge insert and clean or
exchange it
Damaged ’o’ring
Remove cartridge insert and exchange it
Leaky discharge valve
Remove cartridge insert and clean or
exchange it
Flow is to low
Inlet strainer is blocked
Remove strainer and clean it
