The Cepa Carl Padberg TZ 4 (Ex) is a laboratory basket centrifuge — sometimes referred to as a peeler centrifuge or industrial lab centrifuge — used to separate solids from liquids by spinning a perforated basket at high speed, forcing liquid through the basket wall while retaining the solid cake inside. Cepa Carl Padberg is a German manufacturer with a long-standing reputation for producing centrifuges used in chemical, pharmaceutical, and fine-chemical processing applications. This example carries the (Ex) designation, indicating it is built for use in potentially explosive atmospheres.
Manufactured in 1987 and offered in used condition from Barneveld, Netherlands, the machine is constructed throughout in stainless steel grade 1.4571 (the equivalent of 316Ti), which offers excellent corrosion resistance and is well suited to aggressive process media. The perforated basket measures 400 mm in diameter by 250 mm deep, with a wall thickness of 10 mm, and accepts a maximum loading weight of 30 kg per batch. The basket reaches a maximum speed of 2,380 rpm, driven by a dual-speed motor rated at 0.9/1.3 kW running on 380 V and turning at either 700 or 1,450 rpm.
Product is fed into the basket via a 25 mm inlet, and clarified liquid exits through a DN50 liquid outlet. The unit is equipped with a ball spray system for in-place cleaning, an interior light, and a view glass for process observation — practical features that reduce downtime and allow operators to monitor the separation cycle without opening the machine.
The centrifuge has a compact footprint of 1,180 × 700 mm and stands 1,250 mm tall overall, making it suitable for installation in smaller laboratory or pilot-plant environments where floor space is limited.
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