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  3. Dellner Hydratech, Denmark

Dellner Hydratech, Denmark

The Danish Dellner Hydratech operation supplies and services hydraulic cylinders for marine, offshore and industrial applications, with enquiries handled at Vrå. Its international product programme includes lifting and control cylinders, telescopic and tensioning assemblies, piston accumulators and hydraulic power units. Manufacturing and service are delivered through the international network; the global programme is not a list of Vrå production capabilities.

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Private to you. Nothing is shared with Dellner Hydratech, Denmark automatically.

  • Sigenvej 2, Vrå, 9760, DenmarkSupported by Company profile
  • Cylinder and motion assembliesSupported by dellnerhydratech.com
  • ISO 9001:2015: Dellner Hydratech Group ApS, VråSupported by Public evidence

Explore Dellner Hydratech, Denmark

Capabilities

Cylinder rendering from Dellner Hydratech’s global product programme.

Cylinder and motion assemblies

Catalogue families available for project discussion through the Danish operation; global manufacturing scope.

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cutaway rendering of a Dellner Hydratech piston accumulator

Accumulator and power systems

international piston-accumulator and HPU programmes; project-specific supply allocation.

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Engineering workstation in Dellner Hydratech’s international R&D programme.

Engineering and lifecycle service

Danish contact for hydraulic engineering and network-supported cylinder service.

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Services

Cylinder repair and overhaul

Price on request

Workshop repair and overhaul of own and other-brand hydraulic cylinders.

Field service for hydraulic cylinders

Price on request

Worldwide on-site service for own and other-brand hydraulic cylinders.

Service area
Worldwide through the international service network

Hydraulic design and prototype development

Price on request

Hydraulic engineering and prototype development through the international network.

Cylinder retrofit and reengineering

Price on request

Cylinder and seal upgrades for changed application requirements.

Certifications and standards

  • ISO 9001:2015: Dellner Hydratech Group ApS, Vrå

    Bureau Veritas DK018169 version 1, ISO 9001: 2015. Named holder: Dellner Hydratech Group ApS, Sigenvej 2–4, 9760 Vraa. Sales, development, manufacture and service of hydraulic cylinders for marine, offshore and industrial applications. Issued 2024-07-04; cycle 2024-07-12 to 2027-07-11. This document does not certify legacy Hydratech Industries A/S or every international factory.

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  • ISO 14001:2015: Dellner Hydratech Group ApS, Vrå

    Bureau Veritas DK018170 version 1, ISO 14001: 2015. Named holder: Dellner Hydratech Group ApS, Sigenvej 2–4, 9760 Vraa. Sales, development, manufacture and service of hydraulic cylinders for marine, offshore and industrial applications. Issued 2024-07-01; cycle 2024-07-12 to 2027-07-11. This document does not certify legacy Hydratech Industries A/S or every international factory.

    View source

Location

  • Vrå: Sigenvej 2, Vrå, 9760, Denmark
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Works with

Industries
Marine, Offshore, Industrial manufacturing

Applications

Lifting and motion control, Hydraulic energy storage, Hydraulic power systems

Processes

Hydraulic design, CFD, Finite-element analysis, Prototyping, Design verification, Cylinder inspection, Cylinder repair, Overhaul, Pressure testing, Functional testing, Cylinder retrofit, Reengineering, Seal replacement, On-site inspection, Field repair

Technical details

Global cylinder programme: separate published maxima
Bore up to 760 mm; stroke up to 18 m; test pressure up to 10,000 psi. Not a combined envelope or verified Vrå capacity.
accumulator programme
Global catalogue: diameter 80–660 mm; volume 0.5–1800 L; working pressure 350 bar, higher on request; operating −30 to +80°C, standstill down to −40°C. Separate programme limits, not simultaneous extremes or Vrå equipment capacity.
HPU power / flow / tank combinations
Global HPU power / flow / tank configurations: 1.5 kW / 2.5 L/min / 10 L; 4 kW / 9 L/min / 40 L; 7.5 kW / 17 L/min / 70 L; 15 kW / 34 L/min / 135 L; 22 kW / 50 L/min / 200 L; 30 kW / 67 L/min / 270 L. Programme working pressure 250 bar.
Business lineage
Nordhydraulic founded in Frederikshavn in 1975; Hydratech name adopted in 1993; Dellner acquisition in 2021. Legal continuity with assigned Hydratech Industries A/S remains unresolved.

Related categories

Hydraulic accumulatorsHydraulic cylindersHydraulic power unitsMotion dampers and shock absorbersHydraulic & pneumatic power equipmentRiser tensioning & motion compensation equipmentVibration isolators & shock dampersEnergy equipment

Companies in the same market

Hydraulic accumulators

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Tradebird created this profile from public sources. Dellner Hydratech, Denmark has not reviewed or endorsed it.

Updated Sep 13, 2026

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