Machines and plants for dough processing, sourdough biotechnology and the processing of powdery solids in pharma and chemistry
DIOSNA Dierks & Söhne GmbH
Osnabrück (Headquarters) · Czech Republic (Service) · North America (Service) · India (Service)New on Amplifa
About DIOSNA Dierks & Söhne
DIOSNA Dierks & Söhne GmbH, headquartered in Osnabrück, manufactures machines and plants for dough preparation in the bakery industry as well as for the processing of powdery solids in the pharmaceutical, chemical and cosmetic industries. Founded in 1885, the company offers spiral kneaders, Wendel kneaders, planetary mixers, kneading systems with interchangeable tools as well as fermenter and pre-dough systems for the complete process chain of baked goods production from dosing to handover logistics. In the pharma sector, the portfolio includes high-performance mixer-granulators, fluidized bed systems, coaters for tablets and pellets as well as spheronizers in laboratory, pilot and production scale. In addition to machine building, DIOSNA offers product and process trials via DIOlab, qualification services according to GAMP 5, retrofits, upgrades and worldwide after-sales service. Since 2023, the company has belonged to the US-based Hillenbrand group and is part of Coperion's Food, Health & Nutrition division.
- Site
- Osnabrück
- Processes
- Kneading (kneaders: spiral, Wendel, Plus kneaders), Mixing/stirring (universal mixers, planetary mixers), Granulation (high-performance mixer-granulators, wet granulation), Fluidized bed drying / fluidized bed granulation, Pelletizing (spheronizer), Tablet/pellet coating (drum and vertical coaters), Fermentation/sourdough management (fermenters, pre-dough preparation), Drying
- Materials
- Wheat flour, Rye, Spelt, Water, Salt, Lactic acid bacteria (starter culture), Pharma solids (powdery substances), Stainless steel
- Certificates
- FSSC (referenced in specifications, FSSC 8.5.1.2)
- Founded
- 1885
- Industries
- Bakery and baked goods industry, Food industry, Pharma (solids), Cosmetics, Feed & fine chemicals, Chemistry
- 01
Engineering and process development
- 02
Manufacturing of machines and plants
- 03
Laboratory trials in the DIOlab (DQ/IQ/OQ, FAT/SAT)
- 04
Installation and commissioning
- 05
Upgrades, retrofits and worldwide after-sales service
Materials and Processes
Stainless steel
Machine housings, tubs, tools and claddings of the kneaders, mixers and pharma machines; fully in stainless steel also available on request.
Lactic acid bacteria (starter cultures)
Living cultures from traditional sourdoughs as DIOStart starters for wheat, rye and spelt sourdoughs.
Pharma solids (powdery substances)
Processed in mixer-granulators, fluidized bed systems and spheronizers for the production of granulates and pellets.
Locations
Osnabrück
DEHeadquarters, manufacturing, DIOlab
- Part weight / size
- Batch sizes 0.25–600 kg depending on system
- Lot size
- Single machines up to fully automated large-scale plants
- Materials
- Stainless steel, powdery solids, grain products
- Spiral kneaders SP 12 to SP 160, SPV/PSPV 160A/240A
- Wendel kneaders W 160–401 A, WV 160–400 A, WH 240–600 A/E
- Planetary mixers PL 44 XV / PL 64 XV, PSPVW
- Mixer-granulators P 1-6, P/VAC 10-60, universal mixer V 100
- Fluidized bed systems Minilab RC, Midilab RC, CAP 10-80 RC up to CAP 1250
- Spheronizers, fermenter/pre-dough systems, continoMIXX
Czech Republic (DIOSNA CS s.r.o.)
CZService and customer service
North America (DIOSNA North America)
USService and customer service (US/CA)
India (DIOSNA Process Solutions Pvt. Ltd.)
INService and customer service
Machines and Systems
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Kneading (kneaders: spiral, Wendel, Plus kneaders)Forming | – | – | 250 g – 400 kg | – | Dough (wheat, rye, spelt, wholegrain) |
| Mixing/stirring (universal mixers, planetary mixers)Assembly | – | – | – | 0.04 kg – 2,400 kg | Food, pharma intermediates |
| Granulation (high-performance mixer-granulators, wet granulation)Assembly | – | – | – | – | Pharma solids, powders |
| Fluidized bed drying / fluidized bed granulationAssembly | – | – | 50 g | – | Pharma solids |
| Pelletizing (spheronizer)Assembly | – | – | – | – | Pharma solids, fine chemicals, cosmetics |
| Tablet/pellet coating (drum and vertical coaters)Surface | – | – | 300 g – 12.5 kg | – | Tablet cores, pellets |
| Fermentation/sourdough management (fermenters, pre-dough preparation)Assembly | – | – | – | – | Wheat, rye, spelt, sourdough |
| DryingAssembly | – | – | – | – | Pharma solids |
| Conveying/conveying technologyAssembly | – | – | – | – | Powders, solids |
| Storing/storage (dough resting systems)Assembly | – | – | – | – | Dough |
| Process trials / laboratory analyses (DIOlab)Testing | – | – | – | – | Food, pharma |
| Retrofit / upgrade / service, commissioning, qualification (DQ/IQ/OQ, FAT/SAT)Engineering | – | – | – | – | – |
17 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Spiral kneader SP 12 | DIOSNA SP 12 | – | Countertop unit, dough quantity 250 g - 12 kg, bowl ø 370 mm, 22 l | – | Osnabrück |
| Spiral kneader SP 24-160 | DIOSNA SP 24 - SP 160 | – | 24/40/80/120/160 kg dough | – | Osnabrück |
| Spiral kneader SPV/PSPV | DIOSNA SPV 160A, SPV 240A, PSPV 160A, PSPV 240A | – | 120-240 kg dough | – | Osnabrück |
| Wendel kneader | DIOSNA W 160 A, W 240 A, W 401 A | – | 160/240/400 kg dough | – | Osnabrück |
| Wendel kneader Premium | DIOSNA WV 160 A, WV 240 A, WV 400 A | – | 160-400 kg dough | – | Osnabrück |
| Wendel kneader Hygienic Design (removable bowl/floor discharge) | DIOSNA WH 240-600 A/E | – | – | – | Osnabrück |
| Planetary mixer 40-60 L | DIOSNA PL 44 XV, PL 64 XV | – | 40 and 60 L | – | Osnabrück |
| Combined kneader/mixing machine with interchangeable tools | DIOSNA PSPVW | – | Batch >200 kg | – | Osnabrück |
| Mixer-granulator (laboratory scale) | DIOSNA P 1-6 | – | 0.25-6 L | – | Osnabrück (DIOlab) |
| Mixer-granulator | DIOSNA P/VAC 10-60 | – | 60 L material container | – | Osnabrück |
| Universal mixer | DIOSNA V 100 | – | 100 L material container | – | Osnabrück |
| Fluidized bed system / tablet coater (laboratory) | DIOSNA Minilab RC | – | Fluidized bed: 50 g-3.5 kg; coater: 300 g-2.7 kg | – | Osnabrück |
| Fluidized bed system / tablet coater (laboratory) | DIOSNA Midilab RC | – | Fluidized bed: 700 g-9 kg; coater: 1.7-12.5 kg | – | Osnabrück |
| Fluidized bed system | DIOSNA CAP 10-80 RC, CAP 150, CAP 1250 | – | – | – | Osnabrück |
| Spheronizer | DIOSNA | – | – | – | Osnabrück |
| Fermenter / pre-dough systems | DIOSNA | – | – | – | Osnabrück |
| continoMIXX / continuous kneader | DIOSNA continoMIXX | – | – | – | Osnabrück |
Additional services
Quality and Certification
The pharmaceutical products are manufactured consistently in compliance with GMP, with 21 CFR Part 11-compliant software and modern containment solutions. For pharmaceutical qualification, DIOSNA offers DQ, IQ, OQ, FAT, SAT as well as qualifications according to GAMP 5.
| Evidence | Osnabrück |
|---|---|
| FSSC (referenced in specifications, FSSC 8.5.1.2) |
History
- 1885
Foundation by Friedrich Dierks with a partner in Osnabrück as a factory for agricultural and household machinery as well as dairy equipment
- 1911
Patent application for the first lift-arm kneader at the Imperial Patent Office
- 1951
Further growth as Dierks & Söhne; developments and patents in the baked goods sector
- Ende 1950er
Entry into new industries through a fast mixer for the plastics industry; the pharmaceutical industry takes notice
- 1994
Takeover of the bakery machine program of OASE Pumpen Wübker Söhne GmbH & Co
- 2000
Acquisition of patents for the coating of tablet cores (Vertical Centrifugal Coater)
- 2001
Takeover of BOKU Maschinenfabrik
- 2006
IBA Award at the International Bakery Exhibition for the combination of continuous kneader + Rapido-Jet
- 2011
Revenue over €50 million, approx. 60% export share
- 2015
Takeover of machine manufacturer IsernHäger as of 1.1.2015; complete process chain in baked goods production from dosing to handover logistics
- 2023
Part of the US-based Hillenbrand group, belonging to the Food, Health & Nutrition division of Coperion