Product Description
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 taps. Fluids up to and including liquid category 4 to EN 1717 are protected.
Technical Properties
| Approvals |
DVGW |
| Media |
Drinking water |
| Liquid category (EN1717) |
class 4 |
| DN size |
10 mm |
| Port diameter |
1/2 inch |
| Mounting position |
vertical |
| Minimum inlet pressure |
1,5 bar |
| Approval reference |
NW-6373CQ0046 |
| Max. media temperature |
65 oC |
| Body material |
brass, dezincification resistant |
| Body finishing |
chrome plated |
| Additional Descriptions |
- Highspeed maintenance: replacement kit, all BA functional parts in one housing, replacement/maintenance without time-consuming test procedure
- Highspeed installation: easy and quick installation / retrofit
- Due to integrated shut-off facility installation directly into the pipework possible
- Optimized outlet position, thereby bending of the connected flexible tube is prevented
- Integrated inlet strainer
- Optimal protection of the drinking water supply system
- Inlet check valve and discharge valve are combined in one cartridge
- Rotatable housing - connection always in the right position
- Minimal maintenance required, because the valve cartridge is completely replaceable
- Low maintenance effort, because the strainer and the valve cartridge are completely replaceable without draining the system
- Optimized design prevents water Stagnation in normal operation
- Compact construction
- Low pressure loss and high flow rate
- Triple security - two check valves and a discharge valve sepa-rate the backflow preventer into three pressure zones
- Meets KTW regulations for drinking water
- Easy and quick Installation/ retrofit
- Threaded connections; inlet: R1/2 (ISO 2999), outlet: G1 (ISO 228-1)
- 1" IG to 3/4" AG threaded adapter included
|
| Maximum inlet pressure |
10 bar |
