Thorwesten Vent
Thorwesten Vent GmbH is a family-owned German engineering company founded in 1963 that designs and manufactures self-reclosing, patented explosion dampers and related protective equipment for industrial facilities handling explosive dust in coal processing, food production, and alternative-fuel/biomass storage.
- Company typePrivate
- Founded1963
- HeadquartersBeckum, Germany
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Thorwesten Vent does
Thorwesten Vent GmbH is a privately-held German engineering company founded in 1963 and headquartered in Beckum, Germany, specializing in constructive explosion protection for industrial facilities handling potentially explosive dust atmospheres. The company operates alongside a sister entity, Silobau Thorwesten GmbH, under common family ownership led by Albert Thorwesten as personally liable partner, with both divisions sharing engineering, manufacturing, and assembly capabilities at the same Beckum site.
The core product portfolio centers on self-reclosing, internationally patented explosion dampers (Explosionsklappen) in the TT Uni K, TT Uni SL, RLE, RLE SL, and FSL series, complemented by explosion diverters (Explosionsschlot DES), pressure-shock resistant dust filters (Entstaubungfilter), and over/underpressure compensation valves. All products are certified to ATEX Directive 2014/34/EU, DIN EN 14491, and NFPA 68, with the company additionally holding ISO 9001:2015, SCC**, and DIN EN 1090 quality and safety certifications. The company serves three primary verticals: coal grinding and processing plants in cement and steel operations, food industry drying facilities, and storage facilities for alternative fuels and biomass.
Revenue is generated through three streams: one-time capital equipment sales to industrial enterprise customers, e-commerce spare parts sales via shop.thorwesten.com, and recurring maintenance and commissioning services. Go-to-market combines direct enterprise sales in Germany with a channel partner network covering more than 20 countries across Europe, the Middle East, Asia-Pacific, LATAM, and North America. Distribution is supplemented by participation in industry events and exhibitions, with a minimal digital presence limited to LinkedIn. Pricing is not publicly disclosed and is handled through sales contact on the equipment side, while the online shop requires login for pricing visibility.
Thorwesten Vent firmographics
Firmographics- Name
- Thorwesten Vent
- Legal name
- Thorwesten Vent GmbH
- Website
- https://thorwesten.com
- Company type
- Private
- Founded year
- 1963
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Thorwesten Vent GmbH is a family-owned German engineering company founded in 1963 that designs and manufactures self-reclosing, patented explosion dampers and related protective equipment for industrial facilities handling explosive dust in coal processing, food production, and alternative-fuel/biomass storage.
- Ownership category
- akta.pro rank
Thorwesten Vent industry classification
Industry- Product category
- Industrial Explosion Protection Equipment
- NAICS
- Industrial and Commercial Fan and Blower and Air Purification Equipment Manufacturing (333413), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334)
- SIC
- Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564)
- akta.pro primary industry
- Dampers, Louvers & Ventilation Controls (IMADANAD)
- akta.pro secondary industries
- Fans, Blowers & Ventilation Units (Supply/Exhaust/Inline) (IMADANAB), HVAC & Industrial Ventilation (Chillers, AHUs, Exhaust, Filtration) (EUAEAFAE)
Keywords
Where Thorwesten Vent is headquartered
LocationHeadquarters
- HQ city
- Beckum
- HQ country
- Germany
- HQ region
- Europe
Offices1 record
Markets served
Thorwesten Vent business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Explosion Protection Equipment Sales: Direct sales of explosion protection products including self-reclosing explosion dampers (TT Uni K, TT Uni SL, RLE, RLE SL, FSL series), explosion diverters (DES), dust filters, and over/underpressure valves. Products sold with various locking mechanisms (mechanical spring-loaded, pneumatic) to suit different applications.
- Spare Parts: Online shop (shop.thorwesten.com) for spare parts including seals, gaskets, heating controls, filter cartridges, retaining devices, and other components. Prices displayed in EUR with VAT excluded.
- Maintenance & Commissioning Services: Commissioning of new explosion protection equipment, assembly and assembly supervision, regular maintenance of systems requiring monitoring per BetrSichV, and maintenance contracts.
Go-to-market motion2 records
Distribution channels3 records
Marketing channels1 record
Thorwesten Vent product offering
Product offeringCore offering
Thorwesten Vent GmbH manufactures and sells self-reclosing, internationally patented explosion dampers (Explosionsklappen series TT Uni K, TT Uni SL, RLE, RLE SL, FSL), explosion diverters (DES), dust collection filters, and over/underpressure valves for industrial silos and processing equipment. Its sister division Silobau Thorwesten designs, manufactures, and assembles custom industrial silos and steel structures for coal grinding, food processing, alternative fuels/biomass, concrete production, and bulk handling applications, including commissioning and maintenance services.
Product overview
Thorwesten Vent operates as two divisions: Thorwesten Vent GmbH specializes in constructive explosion protection, while Thorwesten Silobau GmbH provides silo construction and steel fabrication services. The explosion protection portfolio centers on self-reclosing, internationally patented explosion dampers (Explosionsklappe Series TT Uni K/SL, RLE, RLE SL), explosion diverters (DES), food-industry dampers (FSL Series), dust collection filters, and pressure compensation valves. These are complemented by spare parts and custom solutions. The Silobau division offers engineering, manufacturing, and assembly of custom silos for extraction/processing, concrete production, Ex/ATEX environments, and bulk handling applications, along with general steel construction. Services include commissioning, maintenance, and supervision. Both divisions share common German roots with engineering, manufacturing, and assembly operations in Beckum, Germany.
Differentiator
Problem solved
Functional benefit
Products and services
- Explosionsklappe Serie TT Uni K Self-reclosing explosion damper with mechanical spring-loaded release mechanism for pressure relief in industrial silos and processing equipment.
- Explosionsklappe Serie TT Uni SL Self-reclosing explosion damper with pneumatic release mechanism for pressure relief in industrial applications.
- Explosionsklappe Serie RLE Explosion damper with mechanical release mechanism designed for duct and pipeline pressure relief applications.
- Explosionsklappe Serie RLE SL Explosion damper with pneumatic release mechanism for duct and pipeline pressure relief applications.
- Foodklappen Serie FSL Explosion protection dampers specifically designed for the food industry, meeting hygiene requirements with heat-insulating flap lids.
- Explosionsschlot DES Explosion diverter/vent stack for safe discharge of explosion flames and pressure, available with optional heating systems.
- Entstaubungfilter Pressure-shock resistant dust collection filter units designed for silo applications to remove dust from air streams.
- Über- / Unterdruckventil Pressure compensation valve for managing overpressure and underpressure conditions in industrial containers.
- Engineering, Fertigung und Montage (Silo and Steel Construction Services) Complete engineering, manufacturing, and assembly services for industrial silos, steel structures, and custom constructions from Silobau Thorwesten GmbH.
- Wartung & Inbetriebnahme (Maintenance & Commissioning) Commissioning of new explosion protection equipment, assembly and assembly supervision, regular maintenance of systems requiring monitoring per BetrSichV, and maintenance contracts.
Quantifiable outcome
- No ingress of atmospheric oxygen after explosion venting due to self-reclosing design
- +2 more outcomes
Companies that use Thorwesten Vent
Customer profileSegments3 records
Ideal customer profiles3 records
Thorwesten Vent technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
Feature4 records
Thorwesten Vent partnerships and signals
Strategic signalPartnerships
22 partnerships are on record, tiered standard.
- ETEC ELRaise Trading & Engineering Co. (Egypt)standardInternational partner for Egypt, providing local sales and support for Thorwesten Vent explosion protection products.
- CMC Technologies Pty Ltd (Australia)standardInternational partner for Australia, providing local sales and support for explosion protection equipment.
- Beijing Yian Heng International Trading Co.Ltd (China)standardInternational partner for China, providing local distribution and support services.
- Tekemas A/S (Denmark)standardInternational partner for Denmark, representing Thorwesten Vent products in the Scandinavian market.
- ALSATEC Environnement et Sécurité Industriels (France)standardInternational partner for France specializing in environment and industrial safety equipment.
- Intemco S.A. (Greece)standardInternational partner for Greece, specializing in process and environmental technology.
- ATEX EHL Explosion Hazards Limited (UK)standardInternational partner for Great Britain, specializing in explosion hazards and ATEX-compliant solutions.
- TECHCONS Consulting and Engineering (India)standardInternational partner for India, providing consulting and engineering services for explosion protection.
- PT Gadelius (Indonesia)standardInternational partner for Indonesia, providing local sales and technical support.
- Dr. Vittorio Cella (Italy)standardInternational partner for Italy, providing sales and support services for explosion protection products.
- Ferrotec Industrial Ltda (Colombia)standardInternational partner for Colombia, providing industrial equipment sales and support.
- Shinco Industrial Equipment SDN BHD (Malaysia)standardInternational partner for Malaysia, providing industrial equipment distribution.
- Servimex, S.A. (Mexico)International partner for Mexico, providing industrial and maritime services.
- DES (PVT) Limited (Pakistan)standardInternational partner for Pakistan, providing industrial equipment solutions.
- RUBROS S.A.C. (Peru)standardInternational partner for Peru, providing industrial equipment distribution.
- ELASCO international Corporation (Philippines)standardInternational partner for the Philippines, providing industrial equipment solutions.
- TESSA spółka z ograniczoną odpowiedzialnością sp. k. (Poland)standardInternational partner for Poland, providing local sales and support for explosion protection products.
- IBERTEC, S. A. (Spain)standardInternational partner for Spain, associated with the Official Chamber of Commerce.
- ADL MULTITECH CO., Ltd (Thailand)standardInternational partner for Thailand, providing multidisciplinary technology solutions.
- Santa Sanayi Mamulleri Tic. ve San. Ltd. Sti. (Turkey)standardInternational partner for Turkey, providing industrial manufacturing and trade services.
- Apollo Americas Consulting, Inc. (USA)standardInternational partner for USA, providing consulting services for industrial explosion protection.
- ANTECH CO., LTD (Vietnam)standardInternational partner for Vietnam, providing technical solutions for explosion protection.
Scale indicators3 records
Recent moves7 records
Expansion highlights6 records
Thorwesten Vent competitors and assessment
Company assessmentDirect peers
- StuvEx: German explosion protection specialist offering explosion decoupling, flameless venting, and isolation systems for dust-handling industries, directly comparable to Thorwesten Vent's core product portfolio.
- IEP Technologies: Provider of explosion protection solutions (venting, isolation, suppression) for dust and gas hazards in process industries, serving overlapping end markets in coal, food, and alternative fuels.
- Fike Corporation: US-based global explosion protection specialist offering explosion vents, isolation valves, and suppression systems serving the same dust-handling and process industries (food, chemical, metals) as Thorwesten Vent.
- BS&B Safety Systems: Long-established manufacturer of explosion protection and pressure relief devices (rupture discs, explosion vents, flameless venting), directly competing with Thorwesten Vent in industrial process safety applications.
- CV Technology: Manufacturer of explosion protection equipment including explosion doors, vents, and isolation systems for industrial dust collection and process ventilation, comparable to Thorwesten Vent's damper offerings.
- Firefly: Swedish provider of industrial fire and explosion protection systems for pulp, paper, and biomass; comparable technology and customer overlap in dust-explosive industries served by Thorwesten Vent.
- REMBE GmbH: German-headquartered specialist in explosion protection and pressure relief, with a broad product range (explosion vents, flameless venting, isolation systems) directly competing with Thorwesten Vent's explosion dampers across the same industrial sectors.
Emerging players
- BS&B Process Safety / BOSS Fire & Safety: Emerging supplier of explosion isolation and venting products with overlapping product lines for dust collector and process vessel protection, comparable to Thorwesten Vent's explosion damper portfolio.
Broad incumbents
- Donaldson Company: Large US-based industrial filtration and dust collection equipment manufacturer serving overlapping process industries (food, cement, biomass) with complementary, not directly competing, explosion venting solutions.
Others
- Siwertell: Brand of Cargotec providing ship unloaders and bulk handling systems; an adjacent ecosystem participant in bulk material handling whose customers often require explosion protection downstream.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
Thorwesten Vent social profiles
Digital presenceThorwesten Vent compliance and trust
Trust signalCompliance6 records
Thorwesten Vent financial estimates
Financial estimateRevenue estimate
Valuation estimate
Thorwesten Vent leadership team
Management profileNumber of profiles
Profiles1 record
Thorwesten Vent funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Thorwesten Vent M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Thorwesten Vent
What does Thorwesten Vent do?
Thorwesten Vent GmbH manufactures and sells self-reclosing, internationally patented explosion dampers (Explosionsklappen series TT Uni K, TT Uni SL, RLE, RLE SL, FSL), explosion diverters (DES), dust collection filters, and over/underpressure valves for industrial silos and processing equipment. Its sister division Silobau Thorwesten designs, manufactures, and assembles custom industrial silos and steel structures for coal grinding, food processing, alternative fuels/biomass, concrete production, and bulk handling applications, including commissioning and maintenance services.
Is Thorwesten Vent a public or private company?
Thorwesten Vent is a private company. It is classified as family owned and is currently operating.
When was Thorwesten Vent founded?
Thorwesten Vent was founded in 1963. It employs 11 to 50 people.
Where is Thorwesten Vent based?
Thorwesten Vent is headquartered in Beckum, Germany, in the Europe region.
How does Thorwesten Vent make money?
Three revenue lines are on record. Explosion Protection Equipment Sales are the primary driver. The others are spare Parts and maintenance & Commissioning Services.
Who are Thorwesten Vent's main competitors?
Direct peers on record are StuvEx, IEP Technologies, Fike Corporation, BS&B Safety Systems, CV Technology, Firefly and REMBE GmbH. BS&B Process Safety / BOSS Fire & Safety is listed as an emerging player. Donaldson Company is listed as a broad incumbent. Siwertell is listed as an others.
Does Thorwesten Vent have an API?
No public API is recorded for Thorwesten Vent.
What industry is Thorwesten Vent in?
Thorwesten Vent's product category is Industrial Explosion Protection Equipment. Its primary akta.pro industry code is IMADANAD, Dampers, Louvers & Ventilation Controls, with a secondary code of IMADANAB, Fans, Blowers & Ventilation Units (Supply/Exhaust/Inline). Its NAICS code is 333413 and its SIC code is 3564.