ATLAS FILTRI HYDRA RAH 1¼” is a professional self-cleaning mechanical water filter designed for pre-filtration of incoming water and protection of the water-supply system against suspended mechanical contaminants.
The RAH filtration element incorporates a durable reusable stainless-steel mesh with a filtration rating of 90 μm. It captures sand, rust, pipe deposits and other solid particles present in the incoming water.
Effective mechanical pre-filtration is particularly important upstream of complete water-treatment systems. It helps protect control valves, water softeners, iron-removal filters, Ecomix systems and other treatment equipment from mechanical contamination.
One of the major advantages of the HYDRA system is its reusable filtration element. Unlike conventional cartridge filters, the element does not require frequent replacement.
Cleaning is performed using the integrated backwash system. When the drain valve located at the bottom of the filter is opened, the flushing process helps remove contaminants accumulated on the filtration mesh and discharge them through the drain connection.
Regular flushing helps maintain the hydraulic performance of the filter while reducing the need for disposable mechanical filter cartridges.
The 1¼” version is designed for installations requiring higher water flow. With a maximum flow rate of up to 8 m³/h, it is well suited to larger private houses and higher-capacity water-treatment installations where a smaller mechanical filter could create unnecessary hydraulic restriction.
HYDRA RAH can be used for mechanical pre-filtration of municipal water as well as water supplied from private wells or boreholes.
Recommended Applications
ATLAS HYDRA RAH 1¼” is particularly suitable for:
- larger private houses;
- homes with multiple bathrooms;
- properties with baths, SPA facilities or saunas;
- installations with high peak water demand;
- installation upstream of water softeners;
- installation upstream of iron-removal systems;
- protection of Ecomix and complete water-treatment systems;
- small commercial properties;
- HoReCa and technical water-supply applications.
Key Advantages
- high flow capacity up to 8 m³/h;
- 1¼” connection;
- 90 μm mechanical filtration;
- reusable RAH stainless-steel mesh;
- effective removal of sand, rust and other suspended particles;
- integrated backwash cleaning;
- reduced need for disposable filter cartridges;
- transparent housing for easy visual inspection;
- possibility of permanent drain connection;
- optional automatic flushing with ATLAS FILTRI K-MATIC.
Technical Specifications
Manufacturer: ATLAS FILTRI
Model: HYDRA RAH
Connection: 1¼”
Filtration rating: 90 μm
Filter element: RAH stainless-steel mesh
Maximum flow rate: up to 8 m³/h
Maximum operating temperature: 45°C
Maximum operating pressure: 8 bar
Cleaning: manual backwash
Automatic flushing: optional K-MATIC
Application: mechanical pre-filtration of cold water
CENTAVR Recommendation
We recommend the HYDRA RAH 1¼” for larger private houses and water-treatment systems with higher peak water demand.
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