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.
Media
Water
Application class (EN1717)
class 4
Body material
red bronze RG5
Port connection type
external threads
Port diameter
1 inch
DN size
40 mm
Max. media temperature
65 oC
Static pressure
PN10
Minimum inlet pressure
1,5 bar
Mounting position
horizontal
Additional description
•
Optimal protection of the drinking water supply system
•
Integral inlet strainer
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Inlet check valve and discharge valve are combined in one cartridge
•
Minimal maintenance required, because the valve cartridge is completely replaceable
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Optimized design prevents water stagnation
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Compact construction
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Easy access to all internal components
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Low pressure loss and high flow rate
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Triple security - two check valves and a discharge valve separate the backflow preventer into three pressure zones
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Meets KTW recommendations for potable water
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Each tapping can be protected separately
Standard version, with threaded connections
Type
BA295STN-11/2C
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.
