HYDRA DUO

The Hydra DUO self-cleaning filters are designed for water filtration and treatment in multiple stages.

The first stage is achieved with self-cleaning pre-filter Hydra type, with SX (DOE) cartridges with choice between RAH (stainless steel net), RLH (polyester net) and RSH (pleated polypropylene fabric).
During this phase, thanks to the counter-current washing, collected impurities are removed from the external surface of the cartridge and they are eliminated using the specific drain equipped with anti-reflux system.
In the second stage it is possible to house both cartridges from the SX (DOE) and the BX (SOE – o-ring 222) series; the filtration sequence and/or treatment can therefore be customised according to specific requirements.
The IN/OUT connections available are 1/2”, 3/4”, 1” with brass or plastic thread BSP, or plastic with NPT thread 3/4” and 1”.
The Hydra DUO self-cleaning water filters are tested and certified respecting the most stringent international standards in order to guarantee all of the quality and safety required by the sector.

Main products

Hydra DUO RLH
Hydra DUO RAH
Hydra DUO RSH
Double-stage water filter with self-cleaning pre-filter
Cartridges SX (DOE) first stage: RAH, RLH, RSH
Cartridges SX (DOE) and BX (SOE – o-ring 222) second stage
IN/OUT female 1/2”, 3/4”, 1” connections
Brass or plastic thread, BSP or NPT
Head: reinforced polypropylene
Bowl: PET
Drain valve for manual cleaning
Prepared for Kit auto
Anti-pollution from reflux drain system
Maximum operating temperature: 45°C (113° F)
Maximum operating pressure, BSP versions: 8 bar (116 psi)
Maximum operating pressure, NPT versions: 8,6 bar (125 psi)
Atoxic materials, suitable for potable water
Filter water in multiple stages with the first self-cleaning stage
Suitable for cartridges of different types of filtration and/or treatment
Manual cleaning is easily automated
Safer and more practical with single-block head
Easy washing without difficulty
Wide range of accessories

Accessories on demand

3/4 plastic nipple with o-ring
3/4"-1" brass nipples with o-ring
-LUBRIKIT- lubricant for housing o-ring
-KIT AUTO- for S models – automatic discharge kit

COMPATIBLE CARTRIDGES

Discover our compatible cartridges and ensure efficient filtration and treatment!
sediments filter cartridges
  • Filtration in depth
    Mechanism through which sediments are trapped both inside the matrix and on the surface of the filter device.
    • Wound polypropylene thread FA SX
    • Melt-blown polypropylene smooth CPP SX
    • Melt-blown polypropylene grooved PP SX
    • Polyester fabric TS SX
    • Special paper CS SX
    • Wound polypropylene thread FA BX
    • Melt-blown polypropylene smooth CPP BX
    • Melt-blown polypropylene grooved PP BX
    • Polyester fabric TS BX
    • Special paper CS BX
water treatment cartridges
  • Granular Activated Carbon
    Reduction of chlorine, taste, odour, volatile organic compounds, pesticides, insecticides, chlorinated organic compounds
    • Granular activated carbon LA SX
    • Wound polypropylene thread and granular activated carbon FA CA SX
    • Melt-blown polypropylene and granular activated carbon CA SX
    • Melt-blown polypropylene and granular activated carbon BT CPP LA SX
    • Granular activated carbon LA BX
    • Wound polypropylene thread and granular activated carbon FA CA BX
    • Melt-blown polypropylene and granular activated carbon CA BX
    • Melt-blown polypropylene and granular activated carbon BT CPP LA BX
  • Activated carbon block
    Reduction of chlorine, taste, odour, volatile organic compounds pesticides, insecticides, chlorinated organic compounds , heavy metals, bacteria and virus
  • Polyphosphate crystals
    Anti-scale treatment
    • Polyphosphate crystals HA SX
    • Melt-blown polypropylene and polyphosphate crystals BT CPP HA SX
    • Polyester net and polyphosphate crystals BT RL HA SX
    • Wound polypropylene thread and polyphosphate crystals FA HA SX
    • Melt-blown polypropylene and polyphosphate crystals CPP HA SX
    • Polyphosphate crystals HA BX
    • Melt-blown polypropylene and polyphosphate crystals BT CPP HA BX
    • Polyester net and polyphosphate crystals BT RL HA BX
    • Wound polypropylene and polyphosphate crystals FA HA BX
    • Melt-blown polypropylene and polyphosphate crystals CPP HA BX
  • Resins
    Ionic exchange resins
  • EMPTY CONTAINERS
    Containers to be filled up with water treatment products
    • Empty containers P SX
    • Empty containers with containing sponge P S SX
    • Empty containers P BX
    • Empty containers with containing sponge P S BX

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