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 |
| Application class (EN1717) |
class 4 |
| Port connection type |
external threads |
| 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 |
|
| Body material | Port diameter | DN size | Type |
|---|
| | inch | mm | |
|---|
| brass, dezincification resistant | 1 | 20 | BA295STN-3/4A  |
| Body material | Port diameter | DN size | Type |
|---|
| | inch | mm | |
|---|
| — | 3/4 | 18 | BA295STN-3/4AC12 |
| 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 | WS295STN |
