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Kaakbreker BB 250 Model with most ergonomic handling 

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The Jaw Crusher BB 250 is specifically designed for accepting large feed sizes up to 120 x 90 mm. The gap width can be set stepless from 0-30 mm. Depending on the sample material, particle sizes down to 2 mm can be obtained, resulting in a crushing ratio of 45. A throughput of up to 300 kg/h is possible with the BB 250.

The RETSCH jaw crusher series is available in 8 different sizes. Throughput and final fineness depend on the crusher type, selected gap width and breaking properties of the sample material.

Robust design, simple handling and cleaning are the features of the RETSCH jaw crusher models. Small amounts of sample are processed batchwise; for larger amounts the crushers can be operated continuously. 

Kaakbreker BB 250 Superiority in detail

For sample amounts up to 10 l, the Jaw Crusher BB 250 is used batchwise; for larger volumes it can be operated continuously. Thanks to the modular concept of the housing and frame, this jaw crusher is suitable for a wide range of applications.

A front door gives direct access to the crushing chamber at a perfect height for ergonomic and easy cleaning. The feed hopper with splash-back protection can be removed quickly and easily. The Jaw Crusher BB 250 has a connection for dust extraction and is protected against mechanical overload. A scale indicates the wear of the breaking jaws, informing the user when it is time for an exchange.

The crushing chamber is available in 6 different materials to ensure neutral-to-analysis sample preparation. The technical and safety features make this jaw crusher ideally suited for sample preparation in laboratories and for small scale production.

Accessories for the jaw crusher BB 250

Breaking jaws

Breaking jaws and wearing plates are available in five different materials to be selected depending on the sample and the analysis to be carried out:

  • mangaanstaal
  • roestvrij staal
  • wolfraamcarbide
  • staal voor het malen zonder zware metalen
  • roestvrij staal 316L
  • NiHard4 staal
Accessories for the jaw crusher BB 250

Trechter Types

Three hopper types are available for the BB 250 jaw crusher.

The standard hopper can be optionally equipped with a special infeed hopper. This additional hopper can be placed on a table for loading up to 10 l of sample material. By attaching it to the standard hopper with a connection rod, the sample is fed into the BB 250 with the help of a manual pusher.

A special hopper is available for quick and easy feeding of drill cores or large amounts of bulk material. The cover can be closed to serve as splash back protection.

Trechter Types
Trechter Types

Jaw Crusher and Sample Divider Combination Unit ABP

With the Jaw Crusher and Sample Divider Combination Unit ABP, the sample is first crushed in a BB 250 and then automatically divided into 8 equal part samples.

This automated procedure helps to avoid manual mistakes and ensures a high degree of reproducibility.

Jaw Crusher and Sample Divider Combination Unit ABP

Kaakbreker BB 250 Typische Monster Materialen

RETSCH’s powerful jaw crushers are ideally suited for preliminary crushing of construction materials, ores, granite, oxide ceramics, quartz, slag, silicon, coal, tungsten alloys, cement clinker, etc.

cement klinkers

cement klinkers

keramiek

keramiek

Katalysatoren

Katalysatoren

drill core

drill core

Bezoek onze toepassingsdatabase om de beste oplossing voor uw monstervoorbereiding of analyse te vinden.

De kaakbreker BB 250 is een robuuste, performante breker. Het produkt valt door de toevoertrechter, die tegen terugspringend produkt beveiligd is, in de trechtervormige maalkamer.

Daar wordt het materiaal gebroken tussen de gegolfde breekplaten door een excentrisch bewegende breekarm en de vaststaande arm en naar beneden toe bewogen.

De traploos instelbare spleetinstelling kan worden afgelezen op de zijdelings aangebrachte lat en garandeert daarbij een optimale, aan het te malen produkt aangepaste instelling.

Onder voorbehoud van technische wijzigingen en eventuele fouten