Mann Teknik

What Mann Teknik does

Mann Teknik (trading as MannTek) is a Swedish manufacturer founded in 1995 and headquartered in Mariestad, Sweden, specializing in dry disconnect couplings, safety breakaway couplings, and complete fluid transfer systems for hazardous liquids and gases. Its core technology spans Dry Disconnect Couplings (DDC), Dry Gas Couplings (DGC), Dry Cryogenic Couplings (DCC), Safety and Cryogenic Breakaway Couplings (SBC/CBC), and Powered Emergency Release Couplings (PERC) with Vessel Ship Drift (VSD) control, operating across temperature ranges from -253°C (liquid hydrogen) to standard cryogenic LNG conditions. MannTek designs and assembles full LNG transfer and bunkering systems integrating couplings, hoses, PLC controls (SIL2-rated), and emergency release subsystems. The company holds deep classification-society certification across DNV, Lloyd's Register, ABS, Class NK, Bureau Veritas, RINA, CCS, and Korean Register, and was instrumental in shaping the ISO 21593 LNG bunkering interface standard.

The company generates revenue primarily through hardware sales of proprietary couplings and complete LNG/LH2 transfer systems, supplemented by installation, commissioning, training, and after-sales service. Pricing is quote-based with all products customized to client specifications via an online product configurator. MannTek sells directly to enterprise customers (shipowners, terminal operators, energy majors, OEMs) and through a global distributor and OEM network; 99% of output is exported. End markets include LNG and cryogenic bunkering, liquid hydrogen (truck, ship, aviation), methanol and ammonia marine fuels, carbon capture and storage, LPG distribution, aviation refueling, chemical and petrochemical transfer, and—more recently—data centre liquid cooling. The company has approximately 130 employees, wholly-owned subsidiaries in China and India (Vadodara, opened January 2024), a German sales office, and additional representation in the Netherlands, Spain, England, and Argentina. MannTek is part of the Elaflex Group and operates as a privately held corporation with no disclosed external funding rounds.

Name

Mann Teknik

Legal name

MannTek

Website

https://manntek.se

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

51–100 employees

Short description

MannTek is a Swedish manufacturer of dry disconnect couplings, breakaway couplings, and complete LNG/LH2 transfer and bunkering systems serving maritime, hydrogen, chemical, energy, aviation, and industrial customers globally with spill-free fluid handling technology.

Ownership category

akta.pro rank

Product category

Industrial Fluid Handling Equipment (Cryogenic Couplings and LNG Transfer Systems)

NAICS

Fluid Power Valve and Hose Fitting Manufacturing (332912)

SIC

Gaskets, Packg & Sealg Devices & Rubber & Plastics Hose (3050), Pumps & Pumping Equipment (3561)

akta.pro primary industry

Cryogenic Liquids & Distribution (IMAEACAK)

akta.pro secondary industries

Cryogenic / Ultra-Low Temperature Transport (e.g., dry ice, LN2) (TLADAHAJ), Cryogenic & Phase-change CO₂ Separation (Low-temperature/Condensation) (EUABAGAF)

Keywords

• Dry disconnect couplings
• Cryogenic transfer systems
• LNG bunkering equipment
• Breakaway couplings
• Fluid handling solutions

Headquarters

HQ city

Mariestad

HQ country

Sweden

HQ region

Europe

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Hardware/Couplings Sales: Sale of proprietary couplings and valves including DDC, DCC, SBC, PERC, and ball valves. Products are sold directly to end customers and through distributors and OEMs. Customization options available through product configurator.
2. Complete LNG/Bunkering Systems: Design, engineering, and supply of complete LNG transfer and bunkering systems. Projects typically run over long periods and require extensive coordination, commissioning, and documentation. Customized solutions tailored to customer specifications.
3. Installation and Commissioning Services: MannTek provides installation and service of systems worldwide. Technical staff provide on-site commissioning support for major projects.
4. After-sales Support and Training: After-sales support, training, and spare parts services provided globally, often through local distributors and subsidiaries.

Go-to-market motion3 records

Distribution channels4 records

Marketing channels10 records

Core offering

MannTek designs and manufactures dry disconnect couplings, breakaway couplings, dry gas couplings, dry cryogenic couplings, and complete LNG transfer/bunkering systems for the safe, spill-free handling of aggressive fluids, liquefied gases, and cryogenic media. The company delivers tailored coupling and transfer system solutions to maritime, energy, chemical, aviation, and data centre customers worldwide.

Product overview

MannTek is a leading manufacturer of dry disconnect couplings, breakaway couplings, and fluid transfer systems for hazardous liquids and gases. The product portfolio centers on core coupling technologies (Dry Disconnect Couplings, Dry Gas Couplings, Dry Cryogenic Couplings, Safety Breakaway Couplings, and specialized Cryogenic Breakaway Couplings) which are complemented by supporting components (Swivel joints, Full flow ball valves, Innovative accessories). These hardware products are organized into application-specific Solutions (LNG Solutions, Hydrogen Solutions/LH2, Methanol Solutions, Carbon Capture Solutions, Ammonia Solutions) that combine couplings with PERC systems, VSD controls, hoses, and automation. The Design 2.0 program represents a new generation of couplings with improved flow performance and user experience. A Product Configurator tool enables customers to customize products to their specifications.

Differentiator

Problem solved

Functional benefit

Products and services

• Dry Disconnect Couplings (DDC) Spill-free quick couplings for safe transfer of liquids, available in sizes from 1" to 8". The standardized interface to STANAG 3756 with bayonet coupling principle is widely accepted in the industry. Used in chemical and petrochemical sectors for secure connections that minimize spillage during transfer processes.
• Dry Gas Couplings (DGC) Standard equipment for loading and unloading gas rail tankers and filling gas road tankers, predominantly used for LPG distribution. Adheres to European EN standards.
• Dry Aviation Couplings (DAC) Specialized couplings for aviation refueling applications, drip-free couplings for airport tank trucks and loading depots. Meets military and aviation industry standards including NATO STANAG 3105 and FMV requirements.
• Dry Cryogenic Couplings (DCC) Spill-free quick couplings for safe and quick transfer of cryogenic liquefied gases such as LNG, nitrogen, oxygen, argon, and ethylene in working temperatures down to -196°C. Critical for LNG bunkering operations including ship-to-ship and ship-to-shore. ISO 21593 compliant.
• rDME Couplings Dry gas couplings specifically designed for handling renewable and recycled carbon DME (rDME) from household waste, blended with propane for domestic and industrial markets. Part of MannTek's future fuels solutions.
• Dry Evotek Couplings New generation of dry couplings developed especially for use in the chemical industry, offering best-in-class flow rates and much lower connection forces.
• Safety Breakaway Couplings (SBC) Essential emergency release systems designed to prevent pull-away accidents and protect terminal and loading/unloading equipment. Available in sizes from 1" to 12". Acts as the safe, predetermined weak link in the hose line to minimise spillage, downtime, and equipment damage.
• Cryogenic Breakaway Couplings (CBC) Breakaway couplings specifically designed for cryogenic applications, used to avoid spillage and damage during loading and unloading of liquefied gases. Available in cable release type. Includes CBC-C variants with Class NK, DNV, and CCS type approvals.
• Powered Emergency Release Couplings (PERC) Nitrogen-controlled emergency release couplings that work with the DCC system for quick and safe connection points between vessels. If a vessel moves outside its safety zone, instantly triggers controlled release of couplings with valves closing on both sides to prevent product release. Includes VSD (Vessel Ship Drift control) and SIL2 rated PLC integration to cargo handling systems.
• Swivel joints Rigid and sustainable swivel joints providing reliable and safe solutions for fluid transfer applications.
• Full flow ball valves Lightweight aluminum ball valves optimized for full flow and easy maintenance, ideal for road tankers delivering fuel to stations.
• LNG Solutions Complete LNG transfer and bunkering systems including DCC couplings, PERC, VSD, hose saddles, fall arrest, transfer hoses, and SIL2-rated PLC integration to cargo handling systems. MannTek is the world's leading manufacturer of LNG solutions and LNG bunkering systems.
• Hydrogen Solutions (LH2) Complete liquid hydrogen transfer systems for trucks, ships, and aviation applications. Includes specialized LH2 couplings, nozzles, and automated transfer lines for safe handling of liquid hydrogen at -253°C. Covers sLH2 refueling stations, LH2 truck fueling, hydrogen-powered ship bunkering, and LH2 nozzle systems.
• Methanol Solutions Connections and equipment for methanol bunkering operations, supporting the transition to methanol as a marine fuel.
• Carbon Capture Solutions Couplings and transfer systems for carbon capture and storage projects, handling CO2 transport from industrial facilities. Includes DCC and CBC cryogenic breakaway couplings for offshore CO2 storage projects.
• Ammonia Solutions Transfer systems for ammonia as a promising carbon-free fuel with high energy density for power generation and marine fuel applications.

Quantifiable outcome

• Over 1,200 LNG operations completed at La Paz terminal since 2021, with 30 ISO containers filled in 82 minutes per operation at 3 operations per day
• +4 more outcomes

Named customers20 records

Segments11 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature13 records

Partnerships

15 partnerships are on record, tiered minor and core.

• StraatmanminorStrategic or Co-development Partner · 1 January 2026MannTek announced a partnership with Straatman focused on creating solutions for customers and streamlining access to MannTek products and services. The collaboration aims to deliver greater value and convenience to customers.
• FortescuecoreTechnology or Integration · 1 March 2024Fortescue Green Pioneer received the world's first certification to use ammonia in combination with diesel as a marine fuel. MannTek provides coupling solutions supporting ammonia-driven vessel operations. Fortescue has developed a green ammonia capable ship engine as part of its research to decarbonize shipping.
• Project Greensand (First Carbon Storage)coreTechnology or Integration · 8 March 2023MannTek provides all couplings in Project Greensand, the world's first cross-border offshore CO2 storage project. CO2 is captured from industry emissions in Antwerp, transported by ship, and stored in the Nini West sandstone reservoir 1,800 meters below sea level in the Danish North Sea. In full scale, the project can store up to 8 million tonnes of CO2 per year by 2030.
• KLAWcoreStrategic or Co-development Partner · 22 July 2019MannTek and KLAW jointly participated in an interchangeability test at Gutteling facilities in Rotterdam to verify and prove interchangeability between different manufacturers' quick couplings according to ISO 21593 Standard. Both companies jointly thanked gas majors, shipping operators, and SGMF for their support in establishing the ISO Standard for LNG ship bunkering interface.
• HydrasuncoreStrategic or Co-development PartnerMannTek teamed up with Hydrasun to support the Clean Cow Project - a ground-breaking livestock vitamin production facility involving highly corrosive and toxic chemical transfers. MannTek provided Dry Disconnect Couplings and Safety Breakaway Couplings in high-grade materials. Hydrasun and MannTek have a history of working closely over many years in identifying and providing solutions to customers including pharmaceutical manufacturers, generator manufacturers, MOD, Royal Navy support facilities, and road haulage tanker operators.
• Linde EngineeringcoreStrategic or Co-development PartnerMannTek partnered with Linde Engineering to build the world's first Subcooled Liquid Hydrogen (sLH2) refueling station in Wörth/Rhein. Linde provided the hydrogen system and liquid hydrogen supply. MannTek provided the coupling solution enabling tight connection, robust thermal insulation, and spill-free operation. Linde has the largest liquid hydrogen capacity and distribution system in the world.
• Daimler TruckcoreStrategic or Co-development PartnerMannTek partnered with Daimler Truck and Linde Engineering to build the world's first sLH2 refueling station for hydrogen-powered trucks. Daimler Truck aims to establish a common refueling standard for hydrogen-powered trucks with technology openly available via ISO standard. Daimler Truck is targeting 1,000 km range for their GenH2 Truck.
• NorledcoreTechnology or IntegrationMannTek provided spill-free liquid hydrogen quick connectors for Norled's ferry Hydra, the world's first hydrogen-powered ship. Linde Engineering provided the hydrogen system. MannTek developed the connector over 1.5 years with approximately one year for the approval process. Hydra operates between Hjelmeland and Nesvik in Norway.
• Stena LinecoreTechnology or IntegrationStena Line collaborated with MannTek for methanol as marine fuel adoption since 2013. MannTek delivered connections including 3" DDCs with breakaways for truck-side bunkering and 6" DDCs from quay to boat. Stena Line has been pioneers in methanol as marine fuel, later switching to 4" DDCs from quay to boat.
• Deutsche ReGascoreTechnology or IntegrationMannTek provides complete LNG transfer systems for the Lubmin FSRU (Floating Storage and Regasification Unit) LNG terminal in Germany. The terminal supplies up to 4.5 billion cubic meters of gas per year to the German transmission grid. MannTek's FSU and shuttle vessel system handles transshipment from the floating storage unit to the FSRU.
• Avenir LNG (Stolt-Nielsen, Hoegh LNG, Golar LNG joint venture)coreTechnology or IntegrationMannTek designed and produced custom LNG transfer systems for Avenir Accolade and sister ship Avenir Advantage. Systems are designed as two-hose 8" SIL2-compliant systems for LNG bunkering operations. Avenir Accolade operates under ship management from Golar LNG at the HIGAS LNG terminal in Sardinia.
• Sirius Shipping / Anthony Veder Group / SkangascoreTechnology or IntegrationMannTek worked with Sirius Shipping, Anthony Veder Group, and Skangas on the MS Coralius LNG Transfer System. The system included two PERCs, Dry Cryogenic Couplings, VSD, PERC activation and monitoring unit, and LNG bunker hoses for ship-to-ship LNG operations.
• Golar LNGcoreTechnology or IntegrationGolar LNG manages Avenir Accolade under ship management and MannTek provided commissioning support. Golar LNG expressed satisfaction with MannTek's expertise, stating 'Without MannTek's expertise this commissioning wouldn't have been possible.'
• DimetaminorGTM or Marketing PartnerDimeta (rDME production from household waste) participated in MannTek-hosted UK rDME Project stakeholder meeting. Discussed latest test results of elastomers for use in Dry Gas rDME Couplings.
• Liquid Gas UK AssociationminorGTM or Marketing PartnerLiquid Gas UK Association represented by CEO George Webb participated in UK rDME Project stakeholder visit to MannTek, discussing LGUK Association's road map to place rDME at the heart of UK's drive to renewable fuels.

Scale indicators8 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Emco Wheaton: Emco Wheaton is a long-established manufacturer of dry-break couplings and loading arms for road tankers, railcars and terminals. It directly competes with MannTek in DDC and DGC product lines, particularly in LPG, chemical and petroleum distribution.
• KLAW Products (KLAW LNG): KLAW is the most direct competitor in LNG ship-to-ship and ship-to-shore transfer couplings and breakaway systems. The two jointly verified ISO 21593 interchangeability in Rotterdam, putting them on a near-identical product and standard-setting footing with MannTek.

Emerging players

• Continental Disc Corporation: Continental Disc is a specialist in rupture discs and pressure relief, and has been extending into cryogenic and LNG safety devices. It is adjacent rather than head-to-head with MannTek, but competes for safety-critical budget on LNG and hydrogen infrastructure.
• SafeRack (loading and transfer equipment): SafeRack specialises in truck and rail loading arms, fall protection and bulk transfer equipment for chemical, LPG and LNG terminals. It is an adjacent competitor for terminal-side fluid transfer spend that MannTek also addresses with couplings and breakaways.
• Bray International (Flow Control): Bray manufactures industrial valves, actuators and flow control products used in LNG, chemical and marine applications. It overlaps with MannTek in LNG and cryogenic system components and is building presence in cryogenic valve and coupling categories.

Broad incumbents

• Parker Hannifin: Parker is a global fluid-power incumbent with extensive coupling, valve and hose product lines serving aerospace, industrial and energy markets. Its broad portfolio and balance sheet mean it can credibly enter the cryogenic coupling niche where MannTek is specialised.
• Trelleborg Industrial Solutions: Trelleborg supplies industrial hoses, couplings and sealing solutions to marine, oil & gas and process industries. It competes with MannTek in fluid transfer and sealing applications for ships and terminals, and could expand into cryogenic transfer systems.
• Dixon Valve & Coupling: Dixon is a broad-line manufacturer and distributor of industrial couplings, valves and hose fittings, including cryogenic products. It overlaps with MannTek in dry-disconnect and cryogenic couplings for industrial gas and chemical handling.
• Staubli (Fluid Connectors): Staubli's Fluid Connectors division is a global leader in quick couplings and connectors across hydraulics, pneumatics and emerging-energy applications. It overlaps with MannTek in cryogenic and high-spec industrial couplings and brings much broader scale and a global salesforce.
• Wärtsilä (Gas Solutions / LNG bunkering): Wärtsilä supplies integrated LNG bunkering systems, ship-to-ship transfer packages and gas handling solutions. While it is a broader systems integrator, its bunkering scope directly competes with MannTek's full LNG transfer system offerings.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/manntek1
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• LinkedInlinkedin.com/company/mann-tek
• Xx.com/MannTek

Compliance21 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles16 records

Subsidiaries1 record

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 Mann Teknik