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Braukmann Retrofit Backflow Preventer for standpipes, BA295STN

Braukmann Retrofit Backflow Preventer for standpipes, BA295STN

Backflow preventers of this type are suitable for the protection of drinking water systems against back pressure, back flow and back syphonage. The...

Product Description

Backflow preventers of this type are suitable for the protection of drinking water systems against back pressure, back flow and back syphonage. They are used to protect the temporary water tapping of standpipes on events or construction sites. Fluids up to and including liquid category 4 to EN 1717 are protected.

Technical Properties

Approvals DVGW approved
Media Water
Liquid category (EN1717) class 4
Port connection external threads
Mounting position vertical
Minimum inlet pressure 1,5 bar
Nominal pressure PN10
Max. media temperature 65 oC
Body material brass, dezincification resistant
Additional Descriptions
  • Pivoted top connection
  • Optimal protection of the drinking water supply system
  • Integral inlet strainer
  • Inlet check valve and discharge valve are combined in one cartridge
  • Minimal maintenance required, because the valve cartridge is completely replaceable
  • Optimized design prevents water stagnation
  • Compact construct
  • Easy access to all internal components
  • Low pressure loss and high flow rate
  • Triple security - two check valves and a discharge valve separate the backflow preventer into three pressure zones
  • Meets KTW recommendations for potable water
  • Easy and quick installation
  • Each tapping can be protected separately
  • Seal-jacket to protect against manipulations
  • Easy maintenance due to upstream shut-off

Certifications and Awards

Termékek

Product Type DN size
Port diameter
Standard version, with threaded connections

BA295STN-3/4A
20 mm 1 inch
Housing chromium plated, with threaded connections

BA295STN-3/4AC12
15 mm 3/4 inch

Accessories and replacement parts

Accessories

Image Description Product Type Downloads
Maintenance-set for BA295STN type backflow preventers for use with Test kit TK295 resp. TKA295 WS295STN  

Spare parts

Image Description Product Type Downloads
Cartridge insert complete for size 1/2" 0903733  
Check valve insert for safety valves 3/4" 2110200  
Filter S295STN  
Set of blanking plugs-MS for standpipe BA295STN-3/4A 0903889  
Set of blanking plugs-MS for standpipe BA295STN-3/4WH, BA295STN-3/4AC12 0903886