Backflow preventer compact construction with threaded connectors, BA295
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| 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. |
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| Approvals |
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DIN/DVGW-approved for connection sizes 1/2" - 2" |
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SVGW-approved for connection sizes 1/2" and 11/4" |
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KIWA-approved for connection sizes 1/2" - 2" |
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ICIM-approved for connection size 1/2" |
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NF-approved for connection size 1/2" |
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Approved according to EN12729 |
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| Media |
Water |
| Application class (EN1717) |
class 4 |
| Body material |
red bronze RG5 |
| Max. media temperature |
65 oC |
| Static pressure |
PN10 |
| Minimum inlet pressure |
1,5 bar |
| Mounting position |
horizontal |
| Additional description |
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Optimal protection of the drinking water supply network |
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Integral inlet strainer |
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Inlet check valve and discharge valve are combined in one cartridge |
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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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Noise tested to class 2 |
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Meets KTW recommendations for potable water |
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| Port connection type | Port diameter | DN size | Flow capacity Kvs | Type |
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| | inch | mm | | |
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| external threads | 1/2 | 15 | 3 | BA295-1/2A  | | external threads | 3/4 | 20 | 3,5 | BA295-3/4A | | external threads | 1 | 25 | 4 | BA295-1B | | external threads | 1 1/4 | 32 | 8,7 | BA295-11/4B | | external threads | 1 1/2 | 40 | 13,6 | BA295-11/2A | | external threads | 2 | 50 | 21,2 | BA295-2A |
| Port connection type | Port diameter | DN size | Flow capacity Kvs | Type |
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| | inch | mm | | |
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| — | — | — | 3 | BA295-1/2E | | — | — | — | 3,5 | BA295-3/4E | | — | — | — | 4 | BA295-1E | | — | — | — | 8,7 | BA295-11/4E | | — | — | — | 13,6 | BA295-11/2E | | — | — | — | 21,2 | BA295-2E |
| Description | Additional Product Type |
|---|
| 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 |
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