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Backflow preventer compact construction with threaded connectors, BA295S

Backflow preventer compact construction with threaded connectors, BA295S

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 can be used for residential buildings, industrial and commercial purposes within the scope of their specification. Fluids up to and including liquid category 4 to EN 1717 are protected.

Technical Properties

Approvals
  • DVGW
  • NF
  • WRAS
  • KIWA
  • BELGAQUA
  • VR
Media

Drinking Water

Liquid category (EN1717) class 4
Port connection external threads
Mounting position horizontal
Minimum inlet pressure 1.5 bar
Body material brass, dezincification resistant
Additional Descriptions
  • Approved according to EN 12729 except BA295S-1B
  • Optimal protection of the drinking water supply system
  • Integrated inlet strainer
  • Inlet check valve and discharge valve are combined in one cartridge
  • Low maintenance effort - cartridge insert and outlet check valve are 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
  • All materials are ACS approved
  • All materials are KTW approved
  • Approved by TUEV LGA for low noise, Group 1 without limitation
Maximum inlet pressure 10 bar

Certifications and Awards

Related Material

Products

Product Type DN size
Port diameter
Max. media temperature
Standard version acc. EN 12729 with threaded connections 1/2" - 2"

BA295S-1/2A
50 mm 1/2 inch 65 oC

BA295S-3/4A
50 mm 3/4 inch 65 oC

BA295S-1A
50 mm 1 inch 65 oC

BA295S-11/4A
50 mm 1 1/4 inch 65 oC

BA295S-11/2A
70 mm 1 1/2 inch 65 oC

BA295S-2A
70 mm 2 inch 65 oC
Special version with threaded Connections 1"

BA295S-1B
50 mm 1 inch 65 oC
Standard version acc. EN 12729, all materials acc. WRAS, with threaded connections 1/2" - 2"

BA295S-1/2AGB
50 mm 1/2 inch 60 oC

BA295S-3/4AGB
50 mm 3/4 inch 60 oC

BA295S-1AGB
50 mm 1 inch 60 oC

BA295S-11/4AGB
50 mm 11/4 inch 60 oC

BA295S-11/2AGB
70 mm 11/2 inch 60 oC

BA295S-2AGB
70 mm 2 inch 60 oC

Accessories and replacement parts

Accessories

Image Description Product Type Downloads
Test kit. Electronic pressure measuring device with digital indicator, battery-operated. With case and accessories, ideal for inspection and maintenance of backflow preventer type BA. TK295  

Spare parts

Image Description Product Type Downloads
Check valve cartridge for connection size 1" A-version 0904145  
Cartridge insert complete for connection sizes 1/2", 3/4" and 1" B-version 0904141  
Cartridge insert complete for connection sizes size 11/4" 0904142  
Cartridge insert complete for connection sizes 11/2", 2" 0904143  
Check valve cartridge for connection sizes 1/2", 3/4", 1" 0904144  
Check valve cartridge for connection size 11/4" 0904146  
Check valve cartridge for connection size 11/2" 0904147  
Check valve cartridge for connection size 2" 0904148