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  3. Sintex A/S

Sintex A/S

Powder-metal components, magnetic systems and engineering

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Private to you. Nothing is shared with Sintex A/S automatically.

  • Jyllandsvej 14, 9500 Hobro, DenmarkSupported by Company profile
  • Powder-metal stainless componentsSupported by sintex.com
  • ISO 9001:2015Supported by Public evidence

Explore Sintex A/S

Capabilities

Seller rendering of powder-metal components

Powder-metal stainless components

Stainless parts made by pressing and sintering.

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Seller illustration of a MIM component in a Grundfos VFI assembly

Metal injection moulding

Complex stainless components produced by MIM.

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Seller rendering of a thin-wall honeycomb extrusion

Metal powder extrusion

Thin-wall metal shapes manufactured through powder extrusion.

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Seller rendering of a circular friction shim

Friction shims

Hardmetal-coated shims for bolted-joint friction.

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Seller cutaway rendering illustrating bearing components in a pump assembly

Shaft and thrust bearing components

Stainless bearing components with hardmetal surface layers.

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Seller rendering of a magnetic coupling with visible magnets

Magnetic couplings

Custom and modular magnetic torque-transfer systems.

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Seller rendering of a motor used to illustrate SMC design studies

Soft magnetic composites

Custom insulated-iron-powder components for magnetic applications.

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Seller rendering of a magnet block

Permanent magnets

Manufactured or sourced magnets for customer designs.

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Seller rendering of porous sintered filter components

Sintered and magnetic filters

Custom filtration components and magnetic separation systems.

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Seller rendering of a permanent-magnet rotor assembly

Permanent-magnet rotors

Dry- and wet-running rotor systems with optional hermetic housing.

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Microscope and dimensional inspection at Sintex

Development and production support

Engineering, prototypes, measurement and finishing alongside component manufacture.

  • Magnetic simulation and prototype work
  • Emerging duplex co-development
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Seller schematic illustrating electrical connections to the HoneyComb heating element

HoneyComb electric heating development

Sintex sub-brand developing extruded electrical resistance-heating elements for industrial process gases; technology remains under testing.

  • Application-specific co-development
  • Published test figures conflict; no unified operating envelope
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Services

Filter design and manufacturing

Price on request

Design and produce sintered or magnetic filters.

Service area
Worldwide

Magnetic and component development

Price on request

Engineering support for magnetic systems and components.

Service area
Worldwide

Magnetic measurement and corrosion testing

Price on request

Measure physical and magnetic properties during development.

Service area
Worldwide

Magnetic prototype development

Price on request

Develop and magnetize prototype rotors and components.

Service area
Worldwide

Metal injection moulding

Price on request

Manufacture complex stainless components by MIM.

Service area
Worldwide

Metal powder extrusion

Price on request

Manufacture thin-wall shapes using powder extrusion.

Service area
Worldwide

Powder-metal component manufacturing

Price on request

Press and sinter customer-specific stainless components.

Service area
Worldwide

Thermal spray coating

Price on request

Apply wear- and corrosion-resistant coatings to components.

Service area
Worldwide

Powder-metal duplex co-development

Price on request

Develop duplex components for specific applications.

Service area
Worldwide

Sintered-component finishing

Price on request

Calibration, deburring, machining and impregnation.

Service area
Worldwide

Customer cases and selected work

Seller rendering of powder-metal components

Automotive servo-brake components

An automotive partner has worked with Sintex since 2000 on four servo-brake versions, including material and design changes and an automated production line.

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Seller rendering of a motor used to illustrate SMC design studies

Illustrative motor design with aluminium windings

A calculated STX B7X stator design uses a ferrite rotor and aluminium windings as an illustrative motor-development study.

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Loudspeaker shown in Sintex's SMC collaboration article

SMC magnetic system for a Danish loudspeaker manufacturer

Joint development with a Danish loudspeaker manufacturer included SMC magnetic components, patent-application cooperation and production.

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SMC and laminated stator geometry comparison in the illustrative design study

SMC stator design comparison

A design study compares a 0.5 mm laminated-iron stator with a reshaped STX B7X SMC stator, using an 80 mm outer diameter, 20 mm length, six teeth and a four-pole ferrite rotor of 28 mm outer diameter.

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Material-production emissions calculation for a fictional 500,000-unit stator order using the study assumptions

Illustrative SMC sustainability calculation

A fictional order for 500,000 stator units illustrates material and production-emissions calculations; results depend on the stated weights and emission factors, and the page contains conflicting percentage claims.

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MIM pump-base components shown in Sintex's Grundfos SQ case

Grundfos

Grundfos SQ pump base redesigned for MIM

A multi-part stamped, machined and welded base was redesigned as a MIM component with ribs, assembly-orientation features and production traceability.

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Current MIM plug design shown in Sintex's pump-component case

Grundfos

Pump ventilation plug redesigned for MIM

An AISI 316L pump ventilation plug was redesigned from 54.4 g to 17 g and from 27.5 mm to 8.6 mm length, adding traceability and an Allen-key interface.

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Seller rendering of a circular friction shim

Friction shims for a wind-turbine joint

An unnamed turbine manufacturer used Sintex tungsten-carbide-coated shims to increase static friction in a joint.

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Seller illustration of a particle-accelerator magnet assembly

Green Magnets research with Aalborg and Aarhus universities

Sintex contributed magnet design, materials and manufacturing work to research on permanent magnets for particle accelerators.

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Seller rendering of porous sintered filter components

Integrated sintered flame-trap component

A flame trap for a measurement-equipment customer replaced two filters and a machined component with one sintered part.

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Seller rendering of a permanent-magnet rotor assembly

Liquid-running rotor for an energy-efficient motor

A liquid-running magnetic rotor was developed with a motor customer and progressed to mass production.

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Dimensioned illustration of a high-end magnet design

Danfysik accelerator-magnet development

Two particle-accelerator magnet versions were developed with customer Danfysik, alongside the broader Green Magnets research programme.

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Inner drive in the High Hot coupling test setup

High Hot coupling development test

An R&D coupling with a soft-magnetic inner drive was tested up to 590°C with the outer magnet air-cooled; torque decreased by 15–20% relative to room temperature.

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SMC pot-core development with FLUX A/S

Joint development with FLUX A/S produced SMC pot cores for space-industry components, with 1.8 T saturation and qualification requirements including ESCC 3201/013, MIL-STD-981, MIL-PRF-27 and MIL-STD-202.

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Certifications and standards

  • ISO 9001:2015

    DNV 280588-2018-AQ-DEN-DANAK, Sintex A/S, Hobro. Valid 2025-04-13 to 2028-04-12. Sites: Jyllandsvej 12, 14 and 18 and Sjællandsvej 13. Scope covers powder products, permanent magnets and thermal spray coating, including stainless powder-metal parts and metal injection moulding.

    View source
  • ISO 14001:2015

    DNV 280587-2018-AE-DEN-DANAK, Sintex A/S, Hobro. Valid 2025-04-13 to 2028-04-12. Sites: Jyllandsvej 12, 14 and 18 and Sjællandsvej 13. Scope covers powder products, permanent magnets and thermal spray coating, including stainless powder-metal parts and metal injection moulding.

    View source
  • ISO 50001:2018

    DNV 10000371998-MSC-DANAK-DNK, Sintex A/S, Hobro. Valid 2023-11-27 to 2026-11-26. Sites: Jyllandsvej 12, 14 and 18 and Sjællandsvej 13. Scope covers powder products, permanent magnets and thermal spray coating, including stainless powder-metal parts and metal injection moulding.

    View source
  • DS/ISO 45001:2018

    DNV 280589-2018-AHSO-DEN-DANAK, Sintex A/S, Hobro. Valid 2025-04-10 to 2028-04-09. Sites: Jyllandsvej 12, 14 and 18 and Sjællandsvej 13. Scope covers powder products, permanent magnets and thermal spray coating; appendix includes metal injection moulding, and document also names Executive Order 1409 of 26 September 2020.

    View source

References

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  • Grundfos

    Grundfos uses Sintex shafts in bearing systems and provides a testimonial about their service life in its pump applications.

About Sintex A/S

Sintex A/S develops and manufactures powder-metal components and magnetic systems in Hobro. Its range spans stainless steel sintered parts, metal injection moulding, powder extrusion, friction shims, bearing components, filters, permanent magnets, couplings, rotors and soft magnetic composites. Development work includes design and magnetic simulation, prototypes, magnetization and testing. Sintex manufactures polymer-bonded neodymium magnets and sources several other magnet types from specialist suppliers. Founded in 1997 by former Grundfos employees, Sintex belongs to Grundfos Group and has 170 employees. Its powder-metal duplex development remains an innovation activity rather than an established production promise. Additional development includes SMC components for axial-flux motors and passive-power systems, high-temperature magnetic couplings and the HoneyComb industrial electric-heating sub-brand. High Hot and HoneyComb performance remains application-specific and includes research or trial-stage results.

Founded
1997
Company size
51-200 employees

Location

  • Visiting and postal address: Jyllandsvej 14, 9500 Hobro, Denmark
  • Warehouse and delivery: Jyllandsvej 18, 9500 Hobro, Denmark
Profile detailsShow detailsHide details

Works with

Industries
Motors and pumps, Automotive, Electronics, Food processing, Energy, Medical equipment, Defence, Aerospace and robotics

Specializes in

Customer-specific components
Magnetic systems
Engineering and prototypes

Applications

Stainless steel components, Magnetic torque transmission, Motor rotors and stators, Filtration

Materials

Stainless steel, Soft magnetic composites, NdFeB, Ferrite, SmCo, Tungsten carbide

Processes

Powder metallurgy, Metal injection moulding, Metal powder extrusion, Thermal spray coating, Magnetization

Service areas

Worldwide

Technical details

Modular coupling separation-can dimensions
64 mm or 81 mm separation-can dimensions in the modular coupling programme; measurement axis unspecified.
Employees
170 employees at Sintex; Grundfos Group headcount is excluded
Supply markets
Worldwide supply, including Germany, China and Mexico
SrFe drinking-water application
SrFe ferrite is approved for drinking-water applications; Sintex supplies SrFe and excludes BaFe. This is a material-specific statement, not approval of every finished assembly.
Sintered NdFeB temperature selection
Selected high-temperature sintered NdFeB grades can be used up to 240°C; this is not a rating for every grade or complete magnetic assembly.
Ferrite temperature capability
Ferrite material can withstand up to 250°C; application and complete-assembly limits remain design-specific.
SmCo temperature selection
Typically up to 250–350°C depending on magnet selection; this is not a uniform coupling or assembly rating.
Standard SmCo coupling temperature
Up to 300°C for the standard samarium-cobalt coupling design; separate from the cooled High Hot research test.
High Hot development test
Up to 590°C with a soft-magnetic inner drive and air-cooled outer magnet; test torque decreased by 15–20% relative to room temperature. This is an R&D test, not a complete-assembly operating rating.
SMC grade-specific properties
STX S10: 140 MPa; STX S7B: 120 MPa; STX S7: 125 MPa, each described as 3-point shear strength. STX H3 is intended typically above 2 kHz, H1 above 4 kHz and B7X for low losses below 1 kHz; these are separate grade selections.
SMC stator study geometry
Illustrative STX B7X design: stator outer diameter 80 mm, length 20 mm and six teeth; ferrite rotor outer diameter 28 mm with four poles; comparison core uses 0.5 mm iron laminations.
SMC stator study weights
Calculated design comparison: stator core 242 g laminated versus 203 g SMC; copper windings 172.5 g versus 115.8 g. Benefits concern this design and the laminated alternative can also be optimized.
Grundfos ventilation-plug case dimensions
AISI 316L plug redesigned from 54.4 g to 17 g and from 27.5 mm to 8.6 mm length, with traceability and an Allen-key interface; figures concern this component.
FLUX pot-core development
Jointly developed SMC pot cores with 1.8 T saturation and qualification requirements including ESCC 3201/013, MIL-STD-981, MIL-PRF-27 and MIL-STD-202; qualification concerns the space-industry components.

Related categories

Ferrite magnetsMagnetic liquid filtersMagnetic shaft couplingsMetal-injection-moulded componentsMetal injection moulding materialsMotor magnetic componentsNeodymium magnetsPowder-extruded components

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Updated Sep 13, 2026

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