User guide

20-5
Backflow Preventers
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Accessories
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.
Standard version, with threaded connections
Accessories
Noise protected pressure reducing valve with setting scale.
_D06F
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
Fine filter, reverse rinsable
_F76S
Stainless Steel Backflow Preventer, BA295I
Media Water
Application class (EN1717) class 4
Body material stainless steel
Port connection type external threads
Max. media temperature 65
o
C
Static pressure PN10
Minimum inlet pressure 1,5 bar
Mounting position horizontal
Additional description • Stainless steel construction
• Optimal protection of the drinking water supply network
• 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
• 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
• Noise tested to class 2
• Meets KTW recommendations for potable water
Port diameter DN size Flow capacity Kvs Type
inch mm
1/2 15 3 BA295I-1/2A
3/4 20 3,5 BA295I-3/4A
125 4 BA295I-1A
1 1/4 32 8,7 BA295I-11/4A
1 1/2 40 13,6 BA295I-11/2A
25021,2 BA295I-2A
Noise protected pressure reducing valve with setting scale.
_D06F
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