JUDO JRSF-ATP DN 125 - 200

Automatic backwash protective filter (time and differential pressure controlled)

JRSF-ATP DN 125 – 200 Automatic backwash protective filter (time and differential pressure controlled), according to EN 13443-1 and DIN 19628, for drinking water up to 75 °C, operating pressure range 1.5 – 10 bar, nominal flow rate 75 – 170 m³/h (at 0.2 bar pressure loss).

Two filter chambers, each with a stainless steel filter insert and time and differential pressure controlled automatic backwash system.

Product benefits:

  • Reliable protection

    against dirt ingress

  • Backwash instead of rinse

  • Automatic, thorough, clean

    with automatic, time- and differential pressure-controlled backwashing and clear display

  • Practical

    without interruption of the water supply during backwashing

  • Conserves resources and saves costs

    avoids waste by changing filter cartridges and is water-saving due to an effective and short backwashing process

  • Robust

    housing made of high-quality cast iron

  • Available with special mesh sizes 0.03 mm, 0.32 mm, 0.5 mm and 1.0 mm

  • Silicone free version available

Scope of delivery:

Housing made of welded steel PN 10 with two connections ½” IG for differential pressure gauge, flange connection according to EN 1092-1, inside and outside corrosion-resistant plastic coated, sight glasses on both sides, two filter chambers with one permanent filter insert each (filter screen made of stainless steel), diverter flap with linear drive for automatic control of the operating and backwash positions, differential pressure gauge with switch contacts, shut-off flap with pneumatic drive and attached pilot solenoid valve (control medium compressed air 6 – 8 bar), PLC control with potential-free fault and backwash signal, power supply 230 V/50 Hz.

Control type:

Automatic differential pressure controlled backwashing (via adjustable switching contact of the differential pressure gauge) with time priority switching via weekly timers or interval as well as manually triggered backwashing.


Silicone-free version on request.

Order number


8503035JRSF-ATP DN 125 100 µm (0,10 mm)
8503036JRSF-ATP DN 150 100 µm (0,10 mm)
8503037JRSF-ATP DN 200 100 µm (0,10 mm)
8310252JRSF-ATP DN 125 30 µm (0,03 mm)
8310262JRSF-ATP DN 150 30 µm (0,03 mm)
8310272JRSF-ATP DN 200 30 µm (0,03 mm)
8310256JRSF-ATP DN 125 320 µm (0,32 mm)
8310266JRSF-ATP DN 150 320 µm (0,32 mm)
8310276JRSF-ATP DN 200 320 µm (0,32 mm)
8310257JRSF-ATP DN 125 500 µm (0,50 mm)
8310267JRSF-ATP DN 150 500 µm (0,50 mm)
8310277JRSF-ATP DN 200 500 µm (0,50 mm)
8310258JRSF-ATP DN 125 1000 µm (1,00 mm)
8310268JRSF-ATP DN 150 1000 µm (1,00 mm)
8310278JRSF-ATP DN 200 1000 µm (1,00 mm)
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