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Braukmann Backflow Preventer for standpipes, BA295STN-A

Braukmann Backflow Preventer for standpipes, BA295STN-A

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

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 stand-pipes on events or construction sites.Fluids up to and including liquid category 4 to EN 1717 are protected.

Technical Properties

Approvals
  • DVGW
Media

Drinking Water

Liquid category (EN1717) class 4
DN size 40 mm
Port connection external threads
Port diameter 1 1/2 inch
Mounting position vertical
Minimum inlet pressure 1,5 bar
Max. media temperature 65 oC
Body material leadfree brass
Additional Descriptions
  • Optimal protection of the drinking water supply system 
  • Integrated 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 in normal operation 
  • Compact construction 
  • 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 drinking water 
  • Each tapping can be protected separately 


Maximum inlet pressure 10 bar

Certifications and Awards

Termékek

Product Type
Standard version with C-coupling on outlet

BA295STN-11/2A

Accessories and replacement parts

Accessories

Image Description Product Type Downloads
Test kit Analogue pressure measuring device with differential pressure display. With case and accessories, ideal for inspection and maintenance of backflow preventer type BA. TKA295  
Blind plug C-coupling with integrated test socket for checking standpipe-BA BS295STN-11/2A  

Spare parts

Image Description Product Type Downloads
Cartridge insertcomplete 0903745  
Shutoff facility complete AE295STN-11/2A  
Sieve S295STN-11/2  
Sealing set DS295STN-11/2