Dinex A/S

Heavy-duty exhaust and emission systems, replacement parts and testing

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Fynsvej 39, 5500 Middelfart, DenmarkSupported by Company profile
Exhaust pipes and acoustic systemsSupported by dinex.eu
Conformity of production: Dinex A/S, specified Euro VI scopeSupported by Public evidence

Explore Dinex A/S

Capabilities

Exhaust pipes and acoustic systems

Vehicle-specific and universal exhaust components.

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Emission replacement components

Filters, catalysts, complete aftertreatment housings and exchange support.

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AdBlue systems and sensors

Application-specific pumps, injectors and sensor families.

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OEM aftertreatment technologies

Catalysts, filter substrates, mixers, heaters and decoupling elements are selected and integrated for the engine application.

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OEM systems and engineering

OEM development integrates complete exhaust systems with testing, prototyping and simulation through the Dinex network.

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Aftermarket technical and supply support

Training, troubleshooting, stock planning and delivery coordination.

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Services

DPF reconditioning exchange

Price on request

Tested DPF exchange with core inspection and reconditioning in Latvia.

Exhaust-system testing and validation

Price on request

Emission-performance and durability testing in Middelfart.

OEM concept and prototype development

Price on request

Concept and prototype fabrication through the Dinex engineering network.

OEM exhaust-system simulation

Price on request

Flow, reaction, structural and acoustic simulation for exhaust systems.

Technical emission-system training

Price on request

Custom online and onsite training, webinars and practical product instruction for workshops and other professional users.

Service area: Online and on-site

Aftermarket stock planning

Price on request

Local teams offer customised stock proposals using regional fleet and demand information.

Emission-system troubleshooting support

Price on request

Technical support for investigating component failures and interactions with engine, EGR and DEF systems.

Partner-portal data integration

Price on request

Product-data exports and customised API integration for customers, with ordering and return workflows through the partner portal.

Certifications and standards

Conformity of production: Dinex A/S, specified Euro VI scope
UCA/F2I2 C1 53062501 names DINEX A/S, Fynsvej 39, Middelfart. Conformity-of-production audit: 30 September 2025; first issue: 30 October 2020; stated validity to 30 October 2027. Scope references Annex IV of Regulation (EU) 2018/858 and Euro VI engines/replacement emission parts under Regulation 595/2009 for Spanish-authority approval numbers. Annex production plants are in Latvia (Rubenu Cels 58), China (Changzhou, Building 8) and Turkey (Çerkezköy). The document does not certify a Danish factory or approve every replacement application.
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About Dinex A/S

Dinex A/S in Middelfart is the Danish headquarters and European OEM contact for Dinex exhaust and emission systems. Its aftermarket range covers pipes, silencers, filters, catalysts and AdBlue-system components, with technical support, training and a DPF exchange programme. The Middelfart test centre supports exhaust-system performance and durability development. OEM projects draw on the international Dinex engineering and manufacturing network; catalyst research in Bayreuth and DPF reconditioning in Latvia are not Danish production facilities. Replacement selection and type approval depend on the vehicle/application. European aftermarket deliveries use the warehouse network. Regional stock proposals and partner-portal data exports or customised API connections support customer ordering.

Founded: 1982

Location

Middelfart: Fynsvej 39, 5500 Middelfart, Denmark

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Works with

Industries: Commercial vehicles, Buses, Off-road machinery, Agriculture, Construction equipment, Marine, Power generation, Rail

Materials

Stainless steel, Aluminium-coated steel, Ceramic substrates, Metallic substrates, Silicon carbide

Technical details

Coolant and auxiliary-heater exhaust pipes: Coolant pipe wall: 1.5 mm
Coolant and auxiliary-heater exhaust pipes: Heater exhaust construction: Double-layer 1.4301 stainless steel
Coolant and auxiliary-heater exhaust pipes: Heater exhaust range length up to: 20 m maximum range length for auxiliary-heater exhaust pipe
DiFlex leak-tight decoupling elements: Network diameter range: 77.5–215 mm; manufacturing plant not identified
DiFlex leak-tight decoupling elements: Network length range: Up to 2000 mm; configuration-dependent network supply
Exhaust pipes: Network pipe-bending diameter: 8–152 mm; not a Danish factory envelope
Exhaust pipes: Network pipe-forming diameter: 32–190 mm; not a Danish factory envelope
Euro VI aftertreatment silencer assemblies: Iveco Stralis pre-2018 DPF fitments: 447 mm long or 407 mm short filter configurations; DPF supplied separately, with end-cover inclusion dependent on assembly
Generation 2 NOx sensors: Generation 2 warranty: Two years with unlimited mileage, subject to the applicable warranty terms
New diesel particulate filters: DiSiC HP substrate porosity: Up to 58% for selected DiSiC HP filters; not a value for every replacement DPF
Aftermarket fulfilment: European warehouse-network collection, express and regular shipping; availability and delivery timing depend on local stock and destination
DiFlex leak-tight decoupling elements: Leak test: 0.5 bar for the described on-road DiFlex component test; not a system operating-pressure rating
Low-PGM diesel oxidation catalysts: Precious-metal loading: Down to 15 g/cft, selected to match the application and regeneration requirements
Low-PGM diesel oxidation catalysts: Light-off: Below 150 °C for the described low-PGM concept; application and ageing dependent
DiSiC HP filter substrates: General pore structure: 8–9 µm pores and 54–57% porosity; on-road example specifies 8 µm and 54%
DiSiC HP filter substrates: Off-road substrate example: 58% porosity; 300 µm walls; 9 GPa elastic modulus; soot loading up to 8 g/L for that configuration
High-DeNOx SCR catalysts: SCR formulation placement: KSCR4.2LT/C first SCR; KSCR5/KSCR3.4 Fe/Cu second SCR after DPF in the off-road example; KSCR3.4 Cu-SCR on ASC
Ammonia decomposition catalyst technology: Cracking washcoat stability: Up to 1,000 °C for the described NH3-decomposition washcoat, not an ammonia-slip catalyst rating
Ammonia decomposition catalyst technology: Cracking reactor pressure: Up to 10 bar for the described reactor concept; series availability is not established

Related categories

Ammonia-slip catalysts Diesel oxidation catalysts Diesel particulate filter substrates Differential pressure sensors EGR cooler parts & kits Electric exhaust heaters NOx sensors Replacement catalyst cores

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Updated Sep 13, 2026

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