Mills & Separators

Product Range

Mills

BAM Ball Mills

High-efficiency cement grinding mills built around a simple principle, low maintenance demand and reliable long-term operation.

VEM Vertical Mills

Integrated grinding, drying, separating and transport for wet feed materials, with low specific wear and energy consumption.

ROP Roller Presses

Energy-efficient bed comminution for raw meal or pre-grinding, using high pressure to weaken particles before fine grinding.

SAM AG/SAG Mills

Autogenous and semi-autogenous mills for demanding conditions, combining crushing and grinding for high-throughput operations.

BAM Ball Mill VEM Vertical Mill ROP Roller Press SAM AG/SAG Mill

Featured Mill

BAM Ball Mill

A robust Christian Pfeiffer ball mill platform for efficient cement grinding, built around a simple operating principle, low maintenance demand and long service life.

Robust Rolled-steel internals

Durable Low wear design

Reliable Continuous-duty operation

Technical details

Available as an end-discharge mill, airflow mill or wet mill.
Slide shoe bearings reduce strain on mill shells and installations, so heavy cast head walls are not needed.
Optional trunnion or roller bearing configurations.
Lateral gear drive and pinion.
Centralized lubrication system.
Large reinforced manholes, 540 x 640 mm, for optimum maintenance and installation conditions.
Installed motor sizes from 300 kW to 10,000 kW.
Solid, reliable and long-lasting mill construction.

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BAM Ball Mill VEM Vertical Mill ROP Roller Press SAM AG/SAG Mill

Featured Mill

VEM Vertical Mill

A flexible vertical mill with an integrated separator, built for wet feed materials where grinding, drying, separating and material transport need to happen in one compact system.

Efficient Low specific energy

Flexible Fast product changeover

Integrated Grinding, drying, separating

Technical details

Available with three or four rollers.
Excellent start-stop behavior.
Very good partial-load response, with performance reduction down to 25% possible.
Low specific energy consumption.
Installed motor sizes from 60 kW to 3,000 kW.
Suitable for high mass flows.
Short switching time for product changeover.
Combined grinding, drying and separating plant.

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BAM Ball Mill VEM Vertical Mill ROP Roller Press SAM AG/SAG Mill

Featured Mill

ROP Roller Press

An energy-efficient high-pressure grinding roller for large product quantities, using bed comminution to crush and weaken particles before downstream fine grinding.

Efficient Reduced power demand

Robust High pressure loads

Serviceable Wear checks and upkeep

Technical details

Self-aligning roller bearings.
Heavy-duty cylindrical roller bearing arrangement for large sizes.
Highest operational reliability under extremely high pressure loads.
Extended service life with rollers specified for the duty, using high-quality carbide hardfacing or studs made from highly wear-resistant materials.

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BAM Ball Mill VEM Vertical Mill ROP Roller Press SAM AG/SAG Mill

Featured Mill

SAM AG/SAG Mill

Autogenous and semi-autogenous mills for demanding grinding duties, combining crushing and grinding to replace conventional secondary and tertiary crushing circuits.

Durable FEA mill body design

High Output Crushing and grinding

Reliable Heavy-duty operation

Technical details

Durable mill body design with advanced finite element analysis for maximum lifespan.
Trunnion-supported sleeve bearings or shell-supported design with slide shoe pad bearings.
Drive solutions up to 18 MW with ring gear and conventional single or dual pinion drives, or direct meshing gearboxes, paired with high-speed asynchronous or low-speed synchronous motors.
Lubrication systems with standby pumps for hydrostatic and hydrodynamic lubrication.
Heavy-duty feed chutes with rock box and replaceable liners for demanding conditions.
Discharge solutions with a trommel screen on the mill discharge trunnion or discharge spouts for integration with vibrating screens.

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Product Range

Separators

QDK-S

High efficiency OptiTromp separator for consistent top cuts down to 10 microns in almost any grinding plant.

QDK-T

Space-saving top-gas separator for modernization projects where installation height is limited.

QDK-M

Dynamic mineral separator for dry products in vertical mills, with easy fineness control.

QDK-L

Airflow separator for raw meal, coal, petcoke and minerals, with top cuts up to 20 microns.

QDK-K

Moist material separator for vertical mills handling high feed moisture, solid fuels and petcoke.

FIX and QDK-F

Static and dynamic separator combination for roller press and ball mill combi-grinding systems.

ROC Classifier

Fine mineral classifier for high purity, low energy consumption and d98 top cuts from 5 to 100 microns.

U-ROC Classifier

Ultra-fine classifier for top cuts below d98 3 microns while maintaining high performance.

HEYD Separator

Universal all-in-one separator for 60 to 200 micron separation cuts without separate cyclones, filters or process fan.

QDK-S QDK-T QDK-M QDK-L QDK-K FIX/QDK-F ROC U-ROC HEYD

Featured Separator

QDK-S High Efficiency Separator

A cross-flow rotating cage separator from the OptiTromp family, designed for stable classification and integration into nearly any grinding plant.

EfficientReduced energy use

PreciseTop cut to 10 microns

ProductiveHigher output rates

Technical details

High efficiency separator from the OptiTromp family.
Top cut up to 10 microns.
Constant separating conditions across the whole separating zone.
Airflow and rotating cage speed are adjustable to the required finish product.
Standard version fits nearly every grinding plant.
Circulation fans and cyclones support consistent finish product output optimization.
Alternative filter finish-product recovery can cool product and grits down to 70 degrees C.
Wear-free confined air seal prevents oversized particles from entering the finish product.
Large inspection doors allow convenient access to the motor and bearing cartridge.

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QDK-S QDK-T QDK-M QDK-L QDK-K FIX/QDK-F ROC U-ROC HEYD

Featured Separator

QDK-T Top Gas Separator

A compact high efficiency separator for plant layouts where space is limited, especially modernization work.

CompactReduced height

AdjustableAirflow and speed

ServiceableLarge inspection doors

Technical details

Space-saving high efficiency separator from the OptiTromp family.
Top cut up to 10 microns.
Compact design with upward finish product output.
Constant separating conditions across the whole separating zone.
Airflow and rotating cage speed are adjustable to the required finish product.
Wear-free confined air seal avoids oversize particles in the finish product.
Large inspection doors provide convenient maintenance access to the motor.

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QDK-S QDK-T QDK-M QDK-L QDK-K FIX/QDK-F ROC U-ROC HEYD

Featured Separator

QDK-M Mineral Separator

A dynamic separator designed for vertical mills and dry mineral products with limited fresh feed moisture.

Clean CutReduced oversize

EfficientBetter grinding duty

ControlledEasy fineness tuning

Technical details

Vertical mill separator from the OptiTromp family.
Suitable for low-moisture products such as minerals.
Top cut up to 20 microns.
Constant separation conditions across the whole separating zone.
Airflow and rotating cage speed are adjustable according to the required product grade.
Wear-free confined air seal for the rotating cage.
Large inspection doors provide convenient access to the motor.

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QDK-S QDK-T QDK-M QDK-L QDK-K FIX/QDK-F ROC U-ROC HEYD

Featured Separator

QDK-L Airflow Separator

A dynamic airflow separator for raw meal, petcoke, coal and other products in airflow mill systems.

ReliableAir-flow classification

FlexibleRaw meal, coal, minerals

ProtectedImpact-resistant option

Technical details

Suitable for petcoke, coal and raw meal grinding plants.
Top cut up to 20 microns.
Material input is carried through the separator airflow.
Airflow and rotating cage speed are adjustable to the required finish product.
Wear-free confined air seal prevents oversize particles.
Available in an impact-resistant version for duties such as explosive-material separation.

Ask About QDK-L

QDK-S QDK-T QDK-M QDK-L QDK-K FIX/QDK-F ROC U-ROC HEYD

Featured Separator

QDK-K Moist Material Separator

A vertical-mill separator for high-moisture feed materials, with a centered feed chute that helps prevent sticking.

Moist FeedReduces sticking

IntegratedVertical mill fit

SealedWear-free air seal

Technical details

Suitable for high-feed-moisture products such as solid fuels or petcoke.
Top cut up to 15 microns.
Constant separation conditions across the whole separating zone.
Airflow and rotating cage speed are adjustable to the required finish product.
Wear-free confined air seal for the rotating cage.
Large inspection doors provide convenient access to the motor and bearing cartridge.
Available in an impact-resistant version for duties such as explosive-material separation.

Ask About QDK-K

QDK-S QDK-T QDK-M QDK-L QDK-K FIX/QDK-F ROC U-ROC HEYD

Featured Separator

FIX and QDK-F Separator System

A static FIX and dynamic QDK-F separator pairing for roller press and ball mill combi-grinding systems.

Combi GrindingROP and ball mill

CapacityHigh throughputs

UpgradeBoosts existing plants

Technical details

Designed for combined roller press and ball mill grinding systems.
Top cut up to 20 microns.
Two material feed points: one via airflow and two through feeding chutes.
Airflow and rotating cage speed are adjustable to the required finish product.
Wear-free confined air seal for the rotating cage.

Ask About FIX/QDK-F

QDK-S QDK-T QDK-M QDK-L QDK-K FIX/QDK-F ROC U-ROC HEYD

Featured Separator

ROC Rapid Object Classifier

A fine classifier for mineral classification where high purity, sharp top cuts and low energy consumption matter.

Fine Resultsd98 5-100 microns

FastUp to 9000 rpm

AffordableFast ROI focus

Technical details

Supports gravimetric or pneumatic feeding from above or below.
Direct drive supports easy and fast maintenance.
Specially designed top fine-material discharge gives low pressure drop.
Oil-lubricated bearings support heat dissipation.
Sealing-air seal creates a sharp upper grain boundary and high product quality.
Sealing air is generated by an external fan.

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QDK-S QDK-T QDK-M QDK-L QDK-K FIX/QDK-F ROC U-ROC HEYD

Featured Separator

U-ROC Ultra-Fine Classifier

An ultra-fine classifier for top cuts below d98 3 microns, maintaining performance at rotor speeds above 4000 rpm.

Ultra Fined98 below 3 microns

High SpeedAbove 4000 rpm

ServiceableMaintenance-free sealing

Technical details

Dual fines discharge balances classification air speed across the rotor length with minimal pressure drop.
Pneumatic material feed goes directly into the separation area for maximum dispersion and homogeneous classification.
Secondary air inlet supports process optimization by reclassifying rejects and increasing efficiency.
Rotor gap sealing air enables a clean top cut, stated at 5 ppm at 25 microns, and maintenance-free operation.

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QDK-S QDK-T QDK-M QDK-L QDK-K FIX/QDK-F ROC U-ROC HEYD

Featured Separator

HEYD Separator

A universal all-in-one classifier for 60 to 200 micron separation cuts, designed as a comparatively simple investment for better final product quality.

UniversalAll-in-one unit

SimpleNo separate fan train

QualityImproved final product

Technical details

Separating cut between approximately 60 and 200 microns.
Single-unit design: cyclones or filters for fines separation and the process fan are not required.
Integrated adjustable fan impeller and counter-impeller support optimum fines discharge.

Ask About HEYD

Our Partner

Christian Pfeiffer — engineering excellence since 1925

Christian Pfeiffer is one of the world's leading specialists in grinding technology, with more than 2,000 mill installations across cement, minerals and mining operations worldwide. Their equipment is recognised for energy efficiency, reliability and low total cost of ownership.

Kalisto is the authorised representative for Christian Pfeiffer in Bulgaria and the region — providing local project support, technical consultation and after-sales service.

Discuss Your Project

Energy efficiency focusChristian Pfeiffer mills are engineered to minimise specific power consumption — reducing your operating cost per tonne of product.

Proven global performanceOver 2,000 mill installations worldwide — across cement, slag, minerals, coal and raw material grinding applications.

Full scope deliveryFrom individual equipment supply to complete turnkey grinding line delivery — including engineering, installation and commissioning.

OEM spare parts & supportGenuine Christian Pfeiffer spare parts and local technical support available through Kalisto — minimising downtime and ensuring long equipment life.

Mills

BAM Ball Mills

VEM Vertical Mills

ROP Roller Presses

SAM AG/SAG Mills

BAM Ball Mill

Technical details

VEM Vertical Mill

Technical details

ROP Roller Press

Technical details

SAM AG/SAG Mill

Technical details

Separators

QDK-S

QDK-T

QDK-M

QDK-L

QDK-K

FIX and QDK-F

ROC Classifier

U-ROC Classifier

HEYD Separator

QDK-S High Efficiency Separator

Technical details

QDK-T Top Gas Separator

Technical details

QDK-M Mineral Separator

Technical details

QDK-L Airflow Separator

Technical details

QDK-K Moist Material Separator

Technical details

FIX and QDK-F Separator System

Technical details

ROC Rapid Object Classifier

Technical details

U-ROC Ultra-Fine Classifier

Technical details

HEYD Separator

Technical details

Christian Pfeiffer — engineering excellence since 1925

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Products that work together

Diaphragms & Linings

Grinding Media

Engineering Services