JUDO E-Series Filter JEF-EM 2 - 4

For deferrisation and demanganisation

JEF-EM 2 – 4 fixed-bed filters, operating pressure min. 3 bar / max. 8 bar, flow rate max. 2 – 4 m³/h.

For reduction of iron and manganese from contaminated drinking and process water via catalytic filter material for discontinuous operation.

Product benefits:

  • Perfect water quality

    from well water with the support of JUDO water experts

  • Experienced

    benefit from over 80 years of JUDO expertise

  • Free water analysis

    free analysis as the basis of optimal water treatment

  • Variable

    the optimum preparation process for every case

  • Robust technique

Scope of delivery:

Filter container made of glass fibre reinforced polyester, with nozzle rod, upper and lower nozzle, filter filling consisting of quartz gravel as supporting layer and JUDOFILT-KAT PLUS, which is continuously regenerated with a solution of potassium permanganate, as filter layer.

Automatic version JEF-EM K-A

Version with central control valve for automatic (time-controlled) backwashing. Triggering also possible by hand. Power supply 230 V/50 Hz.



A prerequisite for manganese reduction:

Ammonium content < 0.3 mg/l, for iron and manganese reduction oxygen content > 4 mg/l.

Expert advice required!

Order number


8360484JEF-EM 2 K-A
8360485JEF-EM 4 K-A


JUDO Potassium permanganate (KMnO4)
As inorganic powdery oxidant for drinking and process water treatment, 1 kg bottle.
Order number 8361015


JUDO Iron measuring set
Colour comparison kit for the concentration range 0 – 1.0 mg/l Fe, 100 analyses.
Order number 8742138

JUDO Refill package: 1 reagent set, sufficient for approx. 100 analyses.
Order number 8742139

JUDO Manganese measuring set
Colour comparison kit for the concentration range 0.03 – 0.5 mg/l Mn, 100 analyses.
Order number 8690008

JUDO Refill pack: 1 reagent set, sufficient for approx. 220 analyses.
Order number 8690009

Required accessories:

JUDO WADOS metering pump system JWD-KH 5-50
Order number 8330123

JUDO Safety tray JSW 1
To accommodate the complete JUT or JWT dosing systems including transport container, stable design up to 60 l, dimensions 650 x 470 x 300 mm.
Order number 8690026


JUDO Chemicals protective equipment
Consisting of: Face shield, rubber apron (acid and alkali resistant), 1 pair of rubber gloves, KCL 4031 set of warning signs “Chemicals” according to german GUV 8.15.
Order number 8510170

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