FRITSCH GmbH - PULVERISETTE 19 large variable speed 300 - 3000 rqm

Manufactured by  FRITSCH GmbH
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Variable 300 – 3000 rpm for fine comminution of larger amounts

Variable 300 – 3000 rpm for fine comminution of larger amounts

The PULVERISETTE 19 large is our high-speed Universal Cutting Mill with a torque of 30 Nm for the comminution of dry, soft to medium hard samples as well as fibrous materials and plastics with reliable reproducible results with a maximum feed size of 120 x 85 mm and a throughput of 85 l/h.

Due to the variable rotational speed adjustment in increments of hundred between 300 and 3000 rpm you can adjust the comminution for a wide range of applications for each individual sample. The PULVERISETTE 19 large is also ideal for RoHS tests. Due to Clean Design of the PULVERISETTE 19 large, it is easy to clean and offers a safe protection against cross-contamination.


Unique grinding chamber geometry

The sample material is comminuted according to the cutting principle of scissors between the cutting edges of the rotor and the fixed knives in the grinding chamber until the desired final fineness is achieved. Unique grinding chamber geometry: The grinding chamber is designed with minimal dead space and progressive cutting geometry between rotor and fixed knives. The sample material is continuously moved during comminution and cannot settle anywhere. In conjunctions with the special air flow, this is the basis for swift, blockage-free operation and fast cleaning without residue.

Running stabilisation due to flywheel mass

The Universal Cutting Mill PULVERISETTE 19 large is equipped with a flywheel mass to stabilize the drive torque. This ensures stable operation even for extreme short-term load, as well as an optimal comminution result

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Features of PULVERISETTE 19 large variable speed 300 - 3000 rqm
  • Fast, effective comminution with variable adjustable rotational speed of 300 – 3000 rpm
  • Max. feed size 120 x 85 mm
  • Throughput of up to 85 l/h
  • Defined final fineness due to interchangeable sieve cassettes 0.5 – 10 mm, (further sieve sizes available)
  • Collection vessel 3 litres to 10 litres
  • Optimised Clean Design for maximum ease of cleaning
  • Practical operation directly on the front panel
  • Externally adjustable cutting gap
  • Maintenance–free 5 kW three-phase motor with frequency converter
  • Single-phase versions with maintenance-free three phase frequency converter
  • Double cone bearing of the rotor for long service life
  • Different rotors for multi-functional use
  • Rotor knives and fixed knives are exchangeable for long-lasting quality
  • Wear-free labyrinth seals made of stainless steel on both sides of the rotor – on the shaft and in the lid
  • Protected funnel with sample pusher 
  • Optimum airflow for fast comminution and anti-clogging 
  • Extensive accessories for simplifying your daily work
General Specifications
Feed Materialsmedium-hard, soft, brittle, tough, fibrous
Grinding Tool Materialshardened stainless steel, hardmetal tungsten carbide, chromium-free tool steel, stainless steel 316L, chromium-free steel DC01
Grinding Toolsrotor with V-cutting edges and fixed knives, rotor with notched edges, rotor with straight cutting edges and fixed knives, disk milling cutter rotor with indexable inserts and fixed knives
Max. Feed Particle Size120 120 x 85 mm
Mill TypeCutting Mill
Depth 65 cm
Height63 cm
Width 45 cm
Weight88 kg
Additional Specifications

Working Principlecutting

Max. throughput (depending on the material and sieve size)

85 l/h

Final fineness (depends on sieve cassette - additional sieve sizes available)

0.5 - 10 mm



Variable rotor speed (depending on voltage and frequency)

300 - 3000 rpm

Rotor peripheral speed

1.57 - 15.7 m/s


Up to 5 kW three-phase motor with frequency converter and flywheel mass for stabilising the drive torque

Electrical Details/torque

380-460 V/3~, 50-60 Hz, 5000 watt, 30 Nm

Emission sound pressure level at the workplace according to DIN EN ISO 3746 (depending on the material to be ground, rotor and sieve insert used)

LpAd = 71 dB

The Universal Cutting Mill PULVERISETTE 19 large with variable rotational speed 300-3000 rpm is available in the following voltages and versions:

Order no.

Electrical details/ Torque

(three-phase motor with frequency converter and flywheel mass for stabilising the drive torque)


for 380-460 V/3~, 50-60 Hz, 5000 watt, 30 Nm


for 200-240 V/1~, 50-60 Hz, 2350 watt, 10 Nm

The PULVERISETTE 19 large with voltage of “/3~”can only be operated on a three-phase supply network.
Despite the frequency converter, the three-phase version “/3~” is definitely preferable instead of a single-phase version “/1~”, because the three-phase version achieves a higher torque mass and pulling power.

The single-phase versions of the Universal Cutting Mills PULVERISETTE 19 large also have an especially maintenance-free three-phase motor with a frequency converter.

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