Swedish Transorfilter
Swedish Transorfilter is a privately held Swedish manufacturer of industrial filtration and gas handling equipment, serving power transformer OEMs, electrical utilities, and metalworking customers with vacuum oil degassing systems, EDM cutting oil filters, and SF6 gas recovery units.
- Company typePrivate
- Founded1945
- HeadquartersAlvesta, Sweden
- Headcount11–50
- GTM typeB2B
- OfferingHardware or Manufacturing
What Swedish Transorfilter does
Swedish Transorfilter (Svenska Transorfilter AB) is a privately held Swedish industrial manufacturer headquartered in Alvesta, Sweden, specializing in filtration and gas handling equipment for power transformers, metalworking fluids, and high-voltage electrical insulation. The company operates three primary product lines: multi-stage vacuum oil filtration, degassing and drying systems for power transformers; filtration skids for grinding, machining, and EDM cutting oils; and PLC-controlled SF6 insulating gas recovery units used by utilities and switchgear operators. Its technology base includes patented multi-stage vacuum degassing architectures and the RCID on-load cellulose insulation dry-out system, which allows transformer cellulose insulation to be dried without taking the unit offline — a meaningful operational benefit for utility customers.
The company's business model centers on engineering and manufacturing bespoke capital equipment sold either directly to transformer OEMs and utility end-users or through a network of regional partners that handle installation, commissioning, and after-sales service. Revenue is generated primarily through capital equipment sales of filtration skids and SF6 gas recovery units, supplemented by service, spare parts, and consumables tied to the installed base. The customer base includes ABB Power Transformers and Hitachi Energy Sweden AB, and the partner footprint extends across Germany, the United States, Iraq, Kuwait, Spain, China, Indonesia, Taiwan, and Iran. The company maintains an active exhibition presence at Middle East Electricity Dubai (2020, 2023, 2025) as part of its commercial development activity.
Operationally, the company is small — public materials surface approximately ten named contacts — consistent with a niche specialty manufacturer with deep domain expertise but limited scale relative to global industrial filtration peers. Recent commercial activity has emphasized product portfolio broadening (SF6 units FV2C-C, FV9C, FV24C launched in 2023; the TF 6000 L/h transformer oil system launched in 2023) and geographic expansion into the Middle East, while the RCID on-load drying platform introduced in 2020 continues to anchor the technology differentiation narrative.
Swedish Transorfilter firmographics
Firmographics- Name
- Swedish Transorfilter
- Legal name
- Svenska Transorfilter AB
- Website
- https://transorfilter.se
- Company type
- Private
- Founded year
- 1945
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- Swedish Transorfilter is a privately held Swedish manufacturer of industrial filtration and gas handling equipment, serving power transformer OEMs, electrical utilities, and metalworking customers with vacuum oil degassing systems, EDM cutting oil filters, and SF6 gas recovery units.
- Ownership category
- akta.pro rank
Swedish Transorfilter industry classification
Industry- Product category
- Industrial Filtration Equipment
- NAICS
- Other General Purpose Machinery Manufacturing (3339), Pump and Compressor Manufacturing (33391), Electrical Equipment Manufacturing (33531)
- SIC
- General Industrial Machinery & Equipment (3560), Industrial & Commercial Fans & Blowers & Air Purifing Equip (3564)
- akta.pro primary industry
- Separation & Filtration Equipment (Filters, Centrifuges, Membranes) (IMAHAEAB)
- akta.pro secondary industries
- Gas Processing Plant Equipment & Skids (Separators, Heat Exchangers, Turboexpanders) (EUAAABAH), Pump & Compressor Packages (Skids, Booster Sets) (IMAHANAG)
Keywords
Where Swedish Transorfilter is headquartered
LocationHeadquarters
- HQ city
- Alvesta
- HQ country
- Sweden
- HQ region
- Europe
Offices3 records
Markets served
Swedish Transorfilter business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Custom Filtration Equipment Sales: Sale of customized backflushable filters for grinding, machining and EDM applications. Equipment can be central systems or stand-alone filters for single machines. Most products are customer-specific with full project execution from design to installation.
- Transformer Oil Filtration Systems: Sale of transformer oil filters for filtering, degassing and drying of transformer oil. Includes TF series (TF 500 to TF 12000 L/h), RCID on-load dry-out systems, and large vacuum degassing systems. Products available as mobile or stationary units.
- SF6 Gas Handling Equipment: Sale of gas equipment for insulating gas handling including SF6. Equipment ensures management of insulating gases and their residual products. Includes FV series handling units and 600L storage tanks.
- Nuclear Industry Cleaning Equipment: Specialized cleaning equipment for O-ring grooves and flange surfaces for the nuclear power industry.
- Measuring Instruments Distribution: Resale of measuring instruments for insulating oils including breakdown voltage testers (0-60kV to 0-100kV) and moisture detectors. Distribution partnership with test instrument suppliers.
- Custom Engineering Services: Project-based custom design and construction services. Company performs all from design and construction to installation at customer site. No project too small.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom quotation-based pricing for all products |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels3 records
Swedish Transorfilter product offering
Product offeringCore offering
Svenska Transorfilter AB designs, manufactures, and installs custom industrial filtration and gas handling equipment. Core products include transformer oil filtration and degassing systems (TF series 500-12000 L/h), on-load cellulose insulation dry-out systems, multi-stage vacuum degassing plants, SF6 gas recovery units, backflushable cutting oil filters for grinding and EDM, vacuum pump sets, and specialized cleaning equipment for the nuclear industry. Most equipment is customer-specific with full project execution from design through installation.
Product overview
Swedish Transorfilter is an industrial filtration and gas handling equipment manufacturer offering a comprehensive portfolio of products for oil filtration, gas handling, and nuclear industry applications. The product line centers around transformer oil filtration and conditioning systems (TF series: TF 500, TF 1000, TF 2500, TF 6000, TF 12000 L/h), vacuum degassing systems, the RCID On-Load Dry-Out System for cellulose insulation, DUO250 vacuum pump sets, SF6 gas handling units (FV2C-C, FV9C, FV24C, and Storage Tank 600L), grinding filters for EDM, oil measuring instruments, and cleaning equipment for nuclear power applications. The company provides both standard products and customized solutions, with most equipment being customer-specific from design through installation.
Differentiator
Problem solved
Functional benefit
Products and services
- TF 500 L/h Transformer Filter Transformer oil filtration unit for degassing and filtration of transformer oil. Best suited for small transformers with small oil volumes, such as in the railway industry.
- TF 1000 L/h Transformer Filter Transformer oil filtration unit for degassing and filtration of transformer oil. Best suited for smaller transformers such as in the railway industry.
- TF 2500 L/h Transformer Filter Transformer oil filtration unit for degassing and filtration of transformer oil. Best suited for medium-sized transformers.
- TF 6000 L/h Transformer Filter Transformer oil filtration unit for degassing and filtration of transformer oil. One of the larger products in the TF-series, best suited for medium and larger power transformers.
- TF 12000 L/h Transformer Filter Transformer oil filtration unit for degassing and filtration of transformer oil. Largest product in the TF series with highest capacity, suited for really large transformers with very large oil volumes.
- RCID 360 L/h On-Load Dry-Out System On-Load cellulose insulation dry-out system for power transformers. Uses columns of granulated synthetic adsorbents to filter and dry transformer oil without heating, designed for safe continuous unattended operation on online (energized) transformers. Features PLC control, 7-inch HMI touch display, moisture sensors, and remote monitoring.
- Multi-Stage Vacuum Degassing System Large multi-stage vacuum degassing systems for transformer oil using patented degassing principle with even flow over specially developed degassing plates/Raschig rings. Available in single, double, or multi-stage (3+) configurations with decreasing pressure levels across stages.
- DUO250 Vacuum Pump Set Portable evacuation equipment for evacuating air from transformers before oil filling. Two-stage system with 250 m3/h vacuum capacity and final vacuum below 0.013 mbar. Features digital Pirani gauges, oil-lubricated magnetic coupled rotary vane vacuum pump, and adjustable pressure warning system (1-10 mbar). Available with pump capacities of 90/120/230/250 m3/h.
- FV2C-C SF6 Gas Recovery Unit Smallest SF6 gas handling unit with 2 m3/h capacity. Updated with PLC programs and automatic valves for easy and safe SF6 gas handling.
- FV9C SF6 Gas Recovery Unit SF6 gas handling unit with 9 m3/h capacity. Features larger SF6 gas compressor, digital 7-inch HMI touch display, and automatic PLC controlled programs.
- FV24C SF6 Gas Recovery Unit SF6 gas handling unit with 24 m3/h capacity. Features larger SF6 gas compressor, digital 7-inch HMI touch display, and automatic PLC controlled programs.
- SF6 Storage Tank 600L SF6 gas storage tank with updated scale system, digital display, and 4 load cells. Allows withdrawal of SF6 in gaseous and liquid phase. Storage up to 51 bar(abs).
- Grinding / Cutting Oil Filters Backflushable oil handling filters for grinding, machining and EDM applications. Available as central systems or stand-alone filters for single machines. Customized per customer request.
- Cleaning Equipment for Nuclear Industry Specialized cleaning equipment for O-ring grooves and flange surfaces for the nuclear power industry.
Quantifiable outcome
- TF series reduces water content to <5 ppm and residual gas to <0.2% in single pass (from starting values: <50ppm, 10%)
- +2 more outcomes
Companies that use Swedish Transorfilter
Customer profileNamed customers2 records
Segments5 records
Ideal customer profiles5 records
Swedish Transorfilter technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature5 records
Swedish Transorfilter partnerships and signals
Strategic signalPartnerships
Twelve partnerships are on record, tiered flagship, core, regional and minor.
- ABB Power TransformersflagshipCustomer since 2019 for large 3-stage vacuum degassing system for transformer oil at Ludvika plant. System manufactured for obtaining dry oil with low residual gas values for testing of newly manufactured power transformers. A second system ordered and delivered by spring 2020.
- TRANSOR FILTER GMBHcoreRegional partner in Germany for slipfilter and EDM products. Located in Usingen, Germany. Provides local sales and support for Transorfilter grinding filter systems.
- TRANSOR FILTER USAcoreRegional partner in USA for slipfilter and EDM products. Located in Elk Grove Village, Illinois. Provides local sales and support for Transorfilter grinding filter systems.
- Hitachi Energy Sweden ABcoreRegional partner for oil filters and SF6 equipment in Sweden. Power Transformers division in Ludvika and High Voltage Products/Circuit Breakers division. Both divisions represent Transorfilter products.
- ADAN COMPANYregionalRegional partner in Iraq (Kurdistan Region - Erbil) for oil filters and SF6 equipment.
- GRANADA PETROLEUM EQUIPMENT & SUPPLY CO.regionalRegional partner in Kuwait for oil filters and SF6 equipment.
- OCEAN WINDS SLregionalRegional partner in Spain for oil filters and SF6 equipment. Located in Viladecans.
- SHANGHAI SIRUI ONLINE MONITORING CO., LTDregionalRegional partner in China (Shanghai) for oil filters and SF6 equipment.
- SPE, PT SURYA PRIMO EL TRINDOregionalRegional partner in Indonesia (Jakarta) for oil filters and SF6 equipment.
- TAIWAN TRAIN-TOP INDUSTRIAL CO., LTDregionalRegional partner in Taiwan (Taipei) for oil filters and SF6 equipment.
- TIRDADEGAN ARIA NIROO, TANIRregionalRegional partner in Iran (Tehran) for oil filters and SF6 equipment.
- SVENSK BORSTTEKNIK ABminorIndustrial brushes partner located in Alvesta, Sweden (same location as Transorfilter headquarters). Provides industrial brush solutions.
Scale indicators1 record
Recent moves5 records
Expansion highlights4 records
Swedish Transorfilter competitors and assessment
Company assessmentBroad incumbents
- Parker Hannifin (Filtration Division): Parker Hannifin's filtration group manufactures hydraulic, lubrication and industrial process filtration equipment globally. Comparable as a broad incumbent offering industrial liquid filtration including oil purification, with overlap to Transorfilter's transformer oil and cutting oil filtration systems.
- Eaton: Eaton manufactures electrical equipment including transformers, switchgear and power management products, and operates a global service network. Comparable as a broad incumbent with overlapping electrical infrastructure equipment and service exposure, including utilities-facing transformer service offerings.
- Donaldson Company: Donaldson is a large global filtration manufacturer serving industrial, engine and OEM markets with liquid filtration, air filtration and process filtration products. Comparable as a broad incumbent with industrial liquid-filtration capabilities overlapping Transorfilter's core filter manufacturing business.
- Atlas Copco (Industrial Vacuum / Power Technique): Atlas Copco manufactures industrial vacuum pumps, compressors and gas handling equipment across multiple end markets. Comparable as a broad incumbent with industrial vacuum and gas-handling capabilities overlapping Transorfilter's DUO250 vacuum pump set and SF6 gas handling equipment.
- Siemens Energy (Transformers Business): Siemens Energy manufactures large power transformers and operates a transformer service organization that includes oil diagnostics and reconditioning. Comparable as a broad incumbent with overlapping customer base in large utilities and transformer OEMs, and as a potential large customer for oil-treatment systems.
- ABB Electrification Service: ABB is both a customer and a manufacturer of power transformers and transformer service equipment, with a global transformer service business that includes oil treatment. Comparable as a broad incumbent operating in transformer life-extension services; relationship with Transorfilter is also customer-channel.
Direct peers
- DILO Armaturen und Anlagen GmbH: DILO is the global market leader in SF6 gas handling, recovery and refilling equipment for the electrical industry. Directly competes with Transorfilter's FV series SF6 gas handling units (FV2C-C, FV9C, FV24C) and serves the same switchgear and utility customer base for insulating-gas service.
- Enervac International (Dürr AG): Enervac manufactures SF6 gas handling, recovery and oil purification equipment for the electrical power industry. Directly comparable to Transorfilter's transformer oil filtration and SF6 product lines, serving utilities, switchgear OEMs and transformer service contractors.
- FILTRA bv: FILTRA specializes in backflushable filters and filtration systems for industrial oils, including cutting oils and EDM applications. Directly competes with Transorfilter's grinding/EDM slipfilter product line on the metalworking side of the business.
Others
- Wika (Alexander Wiegand SE): Wika manufactures measurement instruments for industrial applications including oil testing, breakdown voltage measurement and moisture detection. Comparable as a supplier/distributor of the type of measuring instruments (breakdown voltage testers, moisture detectors) that Transorfilter resells as part of its transformer oil product offering.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks6 records
Key highlights6 records
Customer concentration
Swedish Transorfilter social profiles
Digital presenceSwedish Transorfilter financial estimates
Financial estimateRevenue estimate
Valuation estimate
Swedish Transorfilter leadership team
Management profileNumber of profiles
Profiles9 records
Swedish Transorfilter funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Swedish Transorfilter 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 Swedish Transorfilter
What does Swedish Transorfilter do?
Svenska Transorfilter AB designs, manufactures, and installs custom industrial filtration and gas handling equipment. Core products include transformer oil filtration and degassing systems (TF series 500-12000 L/h), on-load cellulose insulation dry-out systems, multi-stage vacuum degassing plants, SF6 gas recovery units, backflushable cutting oil filters for grinding and EDM, vacuum pump sets, and specialized cleaning equipment for the nuclear industry. Most equipment is customer-specific with full project execution from design through installation.
Is Swedish Transorfilter a public or private company?
Swedish Transorfilter is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Swedish Transorfilter founded?
Swedish Transorfilter was founded in 1945. It employs 11 to 50 people.
Where is Swedish Transorfilter based?
Swedish Transorfilter is headquartered in Alvesta, Sweden, in the Europe region.
How does Swedish Transorfilter make money?
Six revenue lines are on record. Custom Filtration Equipment Sales are the primary driver. The others are transformer Oil Filtration Systems, SF6 Gas Handling Equipment, nuclear Industry Cleaning Equipment, measuring Instruments Distribution and custom Engineering Services.
Who are Swedish Transorfilter's main competitors?
Broad incumbents on record are Parker Hannifin (Filtration Division), Eaton, Donaldson Company, Atlas Copco (Industrial Vacuum / Power Technique), Siemens Energy (Transformers Business) and ABB Electrification Service. Direct peers are DILO Armaturen und Anlagen GmbH, Enervac International (Dürr AG) and FILTRA bv. Wika (Alexander Wiegand SE) is listed as an others.
Does Swedish Transorfilter have an API?
No public API is recorded for Swedish Transorfilter.
What industry is Swedish Transorfilter in?
Swedish Transorfilter's product category is Industrial Filtration Equipment. Its primary akta.pro industry code is IMAHAEAB, Separation & Filtration Equipment (Filters, Centrifuges, Membranes), with a secondary code of EUAAABAH, Gas Processing Plant Equipment & Skids (Separators, Heat Exchangers, Turboexpanders). Its NAICS code is 3339 and its SIC code is 3560.