Scope Of Delivery; Options; Assembly; Maintenance - Honeywell BFW112 Operating And Maintenance Manual

4

Scope of Delivery

Overview
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5

Options

Connection type: Standard version, Storz 75-B connection, PN16, with handle grip and
counter grip
6

Assembly

6.1 Installation Guidelines
• Note flow direction
• Use both handles when assembling on hydrant /
standpipe
• Ensure that parts are free of dirt
• Store in a clean and dry place
• These armatures need to be maintained regularly
6.2 Assembly instructions
1. Thoroughly flush hydrant / standpipe
2. Check that backflow preventer connections are clean
3. Assemble backflow preventer
Position backflow preventer and, using both handles, rotate it
and the counter coupling on the hydrant/standpipe to connect
Note flow direction (indicated by arrow)
Honeywell GmbH
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GB
Components
1 Carry handle
2 Storz coupling
1
3 Dirt and fall protection
4 Piston (inside)
Seals (inside)
5 Housing
6 Stone trap
7 Counter grip
2
8 Rotatable Storz coupling
7

Maintenance

7.1 Inspection
The backflow preventer must undergo regular visual
inspections every 3 months at the latest. The following must
be checked:
• State of the coupling
• Dirt accumulation
– Stone trap
– Dust and fall protection
– Drainage holes
– Interior workings
If dirt has accumulated, clean with clear water without the
addition of detergents.
If any parts are damaged carry out a maintenance.
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Materials
Aluminium
Aluminium
NBR
Aluminium
EPDM
Aluminium
Stainless steel
Aluminium
Aluminium
BFW112-65A
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MU0H-1264 GE23 R0818