Product Description
Backflow preventers of this type are suitable for the protection of drinking water systems against back pressure, backflow 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.
Technical Properties
| Approvals |
- DVGW in progress
- NF in progress
- WRAS in progress
- KIWA in progress
- BELGAQUA in progress
- VR in progress
|
| Media |
Drinking water |
| Liquid category (EN1717) |
class 4 |
| DN size |
50 mm |
| Port connection |
external threads |
| Port diameter |
R 1 1/4 inch |
| Mounting position |
horizontal |
| Minimum inlet pressure |
1,5 bar |
| Max. media temperature |
65 oC |
| Body material |
leadfree brass |
| Additional Descriptions |
- LEAD FREE: Pb content of all materials less than 0.1 %
- Optimal protection of the drinking water supply system
- Integrated inlet strainer
- Inlet check valve and discharge valve are combined in one cartridge
- Low maintenance effort - cartridge insert and outlet check valve are completely replaceable
- Optimized design prevents water Stagnation in normal operation
- Compact construction
- Lead-free material
- Easy access to all internal components
- Low pressure loss and high flow rate
- REACH and RoHS conform
- ACS certified
- All materials are KTW approved
- Approved by TUEV LGA for low noise, Group 1 without limitation
|
| Maximum inlet pressure |
10 bar |
