Steverding Rührwerkstechnik GmbH

Name

Steverding Rührwerkstechnik GmbH

Legal name

Stefan Steverding Rührwerkstechnik GmbH

Website

https://ruehrwerkstechnik-steverding.de

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

11–50 employees

Ownership category

akta.pro rank

Product category

Industrial Mixing Equipment for Biogas Plants

NAICS

Engineering Services (541330), Architectural, Engineering, and Related Services (5413)

akta.pro primary industry

Chemical Processing Equipment (Reactors, Mixers, Agitators) (IMAHAEAA)

akta.pro secondary industry

Biofuel Plant EPC, O&M & Process Technology Providers (EUAAAHAK)

Keywords

• Biogas agitators
• Paddle agitators
• Mixing technology
• Biogas plant equipment
• Industrial agitators

Headquarters

HQ city

Stadtlohn

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Agitator Manufacturing and Sales: Design, manufacture, and sale of paddle agitators, vertical agitators, central agitators, long-shaft agitators, and plug-flow agitators for biogas plants. Products manufactured in small series as well as custom-made products.
2. Service, Installation and Maintenance: On-site installation by own installation teams, commissioning, maintenance, repair services, and spare parts supply. Also offers training courses for installers from other companies.
3. Technical Consulting: Analysis of requirements and plant assessments, concept development and planning, optimization services, and research & development collaboration with universities.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Stefan Steverding Rührwerkstechnik GmbH designs, manufactures, and installs industrial agitators (Rührwerke) for biogas plants, including horizontal paddle agitators, central agitators, vertical agitators, long-shaft agitators, and plug-flow agitators. The company also supplies the proprietary Proguard CN 200 composite coating and provides associated services such as plant analysis, conception, optimization, on-site installation, commissioning, maintenance, repair, and spare parts, serving biogas plant operators and manufacturers in Germany, Europe, and worldwide.

Product overview

Steverding Rührwerkstechnik GmbH is a manufacturer of agitators (Rührwerke) for biogas plants, offering a comprehensive portfolio of five core product series categorized into four design groups: horizontal paddle agitators (Spiralo, Schwanko, Hydromixer), long shaft agitators (Langwellenrührwerk), vertical agitators (Vertikale Rührwerke), and plug-flow agitators (Pfropfenstrom-Rührwerk). The product range handles dry matter content from 13% up to over 25%, serving various biogas plant configurations in steel or concrete design. The company also provides proprietary coating technology (Proguard CN 200) for enhanced durability, along with full-service capabilities including analysis, plant assessment, conception and optimization, research and development, manufacturing and assembly, and maintenance and repair services.

Differentiator

Problem solved

Functional benefit

Brands

• Spiralo: Product line of paddle agitators for biogas applications
• Schwanko
• Hydromixer
• Proguard CN 200
• Langwellenrührwerk
• Pfropfenstrom-Rührwerk
• Vertikale Rührwerke

Products and services

• Spiralo Horizontal paddle agitator for biogas fermenters, designed for efficient mixing and optimal flow behavior in digestion tanks. Targeted at industrial biogas plant operators and plant manufacturers.
• Schwanko Horizontal paddle agitator variant offering proven reliability for various biogas plant configurations. Intended for plant operators and biogas plant manufacturers.
• Hydromixer Slow-running horizontal shaft agitator for fermenters and secondary fermenters in steel or concrete design, handling dry matter content up to 13%. Over 3,000 units have been manufactured. Suited for industrial biogas plant operators.
• Langwellenrührwerk (Long Shaft Agitator) Long shaft agitator designed for large containers with diameters of approximately 30 metres or more, featuring a maintenance-free bearing system and replaceable components without emptying the container. Targeted at large-scale biogas plant operators.
• Vertikale Rührwerke (Vertical Agitators) Compact class vertical agitators for centric and eccentric installation in containers, designed for high-viscosity input materials with dry matter content up to 15%. Suitable for fermenters with concrete top cover, steel containers, and GRP containers.
• Pfropfenstrom-Rührwerk (Plug-Flow Agitator) Slow-running plug-flow agitator for plants with very high dry matter content (over 25%), featuring very high torque, low current consumption, and variable filling levels. Suitable for hydrolysis pre-fermenters and fermenters for mesophilic and thermophilic operation.
• Proguard CN 200 Proprietary two-component special composite coating with micro-ceramics and nanoparticles based on Novolac resin, offering chemical resistance, corrosion protection, and abrasion protection in extremely aggressive environments at elevated operating temperatures.
• Agitator Installation, Commissioning, Maintenance, and Repair Service Professional service covering on-site installation, commissioning, maintenance, repair, and spare parts supply for Steverding agitators, executed by the company's own installation teams. Includes training courses for installers from other companies.
• Technical Consulting and Plant Optimization Engineering services including analysis of requirements and plant assessments, concept development and planning, optimization of existing plants, and research and development collaboration with universities.

Quantifiable outcome

• More than 3,000 Hydromixer agitators manufactured in past years
• +3 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Four partnerships are on record, tiered core.

• Technical College of SteinfurtcoreStrategic or Co-development PartnerAcademic collaboration for research and development in agitation technology, contributing to innovations and scientific work that is practice-oriented.
• Münster University (Germany)coreStrategic or Co-development PartnerUniversity partnership for joint research projects and scientific development of agitator technology.
• Technical University of Vienna (Austria)coreStrategic or Co-development PartnerInternational academic partnership for research collaboration in agitation technology development.
• Germany and Europe Partner NetworkcoreChannel Partner/ Reseller/ DistributorRegional support point partners providing local contact and on-site service for customers in Germany and Europe.

Scale indicators7 records

Recent moves1 record

Expansion highlights5 records

Broad incumbents

• Sulzer: Sulzer provides industrial mixing solutions alongside pumps and process equipment across chemical, water, and bioenergy markets. Its mixing technology portfolio overlaps with Steverding's, though Sulzer operates as a broad industrial incumbent rather than a biogas specialist.
• SPX FLOW (Lightnin): SPX FLOW's Lightnin brand is one of the world's largest manufacturers of industrial mixers and agitators serving chemical, wastewater, and bioenergy customers. It competes broadly with Steverding across mixer categories but operates at much larger scale and with a global service network.
• KSB SE & Co. KGaA: KSB is a major German industrial pump and valve manufacturer that also supplies mixing and agitation equipment for water, wastewater, and process applications. It is a broad incumbent adjacent to Steverding's specialty mixer niche.
• Xylem (Flygt): Xylem's Flygt brand supplies submersible mixers and aerators for water and wastewater treatment. While primarily a water-sector player, Flygt mixers compete with Steverding-style agitators in adjacent process and biogas-related applications.

Direct peers

• Philadelphia Mixing Solutions: Philadelphia Mixing Solutions designs and manufactures industrial mixers and agitators for chemical, water/wastewater, and bioenergy applications. It is a direct functional peer to Steverding in custom-engineered agitation for process industries.
• EKATO Group: EKATO is a German-headquartered specialist manufacturer of industrial agitators and mixers for chemical, biochemical, and process industries. It is the closest direct competitor to Steverding in custom-engineered industrial agitation, including applications adjacent to biogas.

Others

• Hitachi Zosen Inova: HZI is a leading EPC contractor for anaerobic digestion and biogas plants globally. As a buyer/integrator of agitation subsystems in plant construction, it is an adjacent ecosystem participant comparable to Steverding's leading-manufacturer OEM customers.
• Invent Umwelt- und Verfahrenstechnik AG: Invent UVT is a German engineering and technology provider for biogas and wastewater treatment plants, often acting as plant builder/contractor. As a customer channel and ecosystem participant for Steverding's system-supplier relationships, it is an adjacent peer.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

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Compliance12 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Steverding Rührwerkstechnik GmbH