86Model: HYDRA
Backwashable Filter

Hydra Backwashable FilterDescriptions
HYDRA self-cleaning filters have been designed with innovative solutions regarding the efficiency of the system for the self-cleaning of the cartridge, thanks to newly designed back-wash on counter-current which grants the highest particles removal from the cartridge. When the cartridge is to be cleaned, the cleaning operation with back-wash is simply operated by opening the discharge ball valve at the filter bottom. That operation causes a pressure-drop which pushes the cartridge downward the housing bottom and reverses the water flow from the outer to the inner side of the cartridge. It is that counter-current back flow which washes away to the discharge the impurities trapped onto the outer side of the cartridge. The filters perform 90 micron filter rate with stainless steel net cartridge or plastic net cartridge and 50 micron filter rate with pleated plastic net cartridge.

Non-toxic materials, suitable for drinking water,
in compliance with the UE “Directive 98/83/EC”.
Head: reinforced polypropylene.
Bowl: PET
O-ring: ETP
Breather-valve: Stainless Steel + O-ring.
In/Out Threads: CW 614 N brass inserts.
RAH cartridge: stainless steel net ANSI 316.
RLH cartridge: polyester net.
RSH cartridge: polypropylene pleated net.
Cartridges spring: stainless steel ANSI 316-L.
Discharge ball-valve: CW 614 N brass.
Discharge hose-holder: nylon.

Working Conditions
Max. working pressure……………….8 BAR
Min. working pressure………………..1.8 BAR
Max. working temp……………………45℃

Model In/Out Threads Cartridge Type Filtration Rate Nominal
Flow Rate (l/h)
Flow Rate (l/h)
Pressure Drop
HYDRA1/2-RAH 1/2″ SS. Net 90 micron 4000 5000 0.41 Bar
HYDRA3/4-RAH 3/4″ SS. Net 90 micron 5000 7000 0.41 Bar
HYDRA1-RAH 1″ SS. Net 90 micron 6000 8000 0.41 Bar
HYDRA1/2-RLH 1/2″ Polyester Net 90 micron 4000 5000 0.44 Bar
HYDRA3/4-RLH 3/4″ Polyester Net 90 micron 5000 7000 0.44 Bar
HYDRA1-RLH 1″ Polyester Net 90 micron 6000 8000 0.44 Bar
HYDRA1/2-RSH 1/2″ Pleated PP Net 50 micron 4000 5000 0.43 Bar
HYDRA3/4-RSH 3/4″ Pleated PP Net 50 micron 5000 7000 0.43 Bar
HYDRA1-RSH 1″ Pleated PP Net 50 micron 6000 8000 0.43 Bar 


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