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. 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.
Approvals
DVGW approved
Media
Water
Body material
brass, dezincification resistant
Port connection type
external threads
Port diameter
1 inch
DN size
20 mm
Max. media temperature
65 oC
Static pressure
PN10
Minimum inlet pressure
1,5 bar
Mounting position
vertical
Additional description
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
Standard version, with threaded connections
Type
BA295STN-3/4A
Accessories
Description
Additional Product Type
Test kit. Electronic pressure measuring device with digital indicator, runs by a battery.
With case and accessories, ideal for inspection and maintenance of backflow preventer type BA.
TK295
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 BA 295STN type backflow preventers
