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Retrofit Backflow Preventer for tap fittings and armatures, BA295D-WH/WHS/WHD

Retrofit Backflow Preventer for tap fittings and armatures, BA295D-WH/WHS/WHD

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 water tapping of houshould taps, outside garden taps or filling taps. Fluids up to and including liquid category 4 to EN 1717 are protected. 

Technical Properties

Approvals
  • DVGW (except for BA295D-WHD)
  • VA(ETA) (except for BA295D-WHD) 
Media

Drinking water

Liquid category (EN1717) class 4
DN size 15 mm
Port diameter 3/4 inch
Mounting position vertical
Minimum inlet pressure 1.5 bar
Max. media temperature 65 oC
Body material brass, dezincification resistant
Additional Descriptions
  • Highspeed maintenance: replacement kit, all BA functional parts in one housing, replacement/maintenance without time-consuming test procedure
  • Highspeed installation: easy and quick installation/ retrofit
  • Optimized outlet position, thereby bending of the connected flexible tube is prevented
  • Integrated inlet strainer
  • Optimal protection of the drinking water supply system
  • Inlet check valve and discharge valve are combined in one cartridge
  • Rotatable housing - connection always in the right position
  • Minimal maintenance required, because the valve cartridge is completely replaceable
  • Low maintenance effort, because the strainer and the valve cartridge are completely replaceable without draining the system
  • Optimized design prevents water Stagnation in normal operation
  • Compact construction
  • Low pressure loss and high flow rate
  • All materials are KTW approved
  • Approved by TUEV LGA for low noise, Group 2
  • Each tapping can be protected separately 
  • Pivoted top connection
Maximum inlet pressure 10 bar

Related Material

Products

Product Type Outlet pressure
Body finishing
Preset Outlet Pressure
Standard version with G34 ISO 228-1 threaded connection on inlet and G1 ISO 228-1 threaded connection on outlet

BA295D-3/4WHD
100 ... 400 kPa chrome plated 1.5 bar
Standard version with G3/4" (ISO 228-1) threaded connection on inlet and G1" (ISO 228-1) threaded connection on outlet , 1" IG to 3/4" AG threaded adapter included, chrome plated, with discharge pipe connection

BA295D-3/4WH
n.a kPa chrome plated n.a
Standard version with G1" (ISO 228-1) threaded connection on inlet and G1" (ISO 228-1) threaded connection on outlet

BA295D-3/4WHS
n.a kPa n.a

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  
Maintenance-set for BA295STN type backflow preventers for use with Test kit TK295 resp. TKA295 WS295STN  

Spare parts

Image Description Product Type Downloads
Pressure reducing valve insert for BA295D-3/4WHD 0904177  
Pressure gauge M18K-A04  
Replacement unit - brass AE295D  
Replacement unit - chrome plated AE295D-C  
Strainer S295D  
Check valve insert for safety valves 3/4" 2110200  
Blanking Plug set with 0-ring (5 pieces) for sizes 1/2" - 2" S06K-1/4  
Set of blanking plugs (5 pieces each) brass PS295STN  
Seal brackets (10 pieces) PS295D  
Retaining clip (10 pieces) HK295D  
Seal bracket for tap PS295D-Z