WP 150 Pharma

The WP 150 Pharma roller compactor made by Alexanderwerk is a compactor and granulator designed for use in the pharmaceutical industry. With its sealing system customized for containment and a throughput of up to 150?kg/hr., it is about the finest machine when it comes to compacting or granulating highly efficient preparations.

Since the 1950s, Alexanderwerk has been developing and producing roller compactors for use in the chemical or primary industries. With the WP 150 Pharma, Alexanderwerk has now complemented its roller com­pa­ctor production series with a containment machine.

The WP 150 Pharma combines the design principles of the “standard“ roller compactors made by Alexanderwerk with the requirements made of a containment machine:

  • partition between product and operators or the environment respectively
  • cGMP design
  • physical separation of process engineering equipment and drive units
  • minimum feed rates of up to 1 r.?p.m. available from servo motor
  • amply dimensioned single-stage rotor fine granulation using the D design
  • made completely of stainless steel
  • all non-metallic materials designed according to FDA requirements
  • URS-compliant design
  • process chamber welded at the rear
  • sealing system optimized for containment
  • PLC automated
  • optional: WIP
  • optional: 21 CFR Part 11
  • optional: insulator
  • optional: PAT


For many years, pharmaceutical corporations all over the world have been using roller compactors made by Alexanderwerk to produce granules, and to further:

  • process tablets
  • capsules
  • Life-Science products
  • flavours
  • instant powders
  • intense sweeteners
  • Toner

More about compacting

Technical Data

Throughput, continuous operation

up to 150?kg/hr.

Granulate material size


Maximum pressing force

20 kN/cm of roller width

Installed power

approx. 8 kW


approx. 1,700 kg (complete, excluding control system)

Metallic materials

1.4571 (entirely)

Compacting rollers


Rotary shaft seals, in contact with the material

Polytetrafluoroethylene (PTFE, Teflon) FDA-approved


Machines for compacting / granulating in the pharmaceutical industry from Alexanderwerk