Alimak Hek Offshore Lifts for Men and Materials

Alimak Hek has been supplying rack and pinion lifts, and elevators to the offshore industry since 1974 when it installed its first unit on an Aker H-3 design semi-submersible. Today about 500 Alimak lifts have been delivered into this special niche market. They are mostly installed on derricks, in hull columns and outside platform modules. The lifts complement potentially hazardous stairways and ladderways to provide convenient access to pump and machine rooms and other process critical areas.

Alimak Hek’s recent orders include the following:

  • Atwood Oceanics semisubs 10 and 11
  • Keppel Fels semisub B 309
  • Stena DrillMax IV, semisub
  • National Oil Well’s DSME 5
  • Vinashin Shipyard, FSO-5 (floating storage vessel)
  • Gazflot semisubs 1 and 2
  • Grupo R 1 and R 2 semisubs
  • GSF Drillship 1, DD5 and DD6
  • Larsen Oil & Gas, Petrorig 1, semisub
  • Odebrecht Drillship 1 and 2
  • Petroserv Drillship 2
  • Pride Drillships 1, 2, 3 and 4
  • Valhall oil drilling rig
  • Seadragon 1 and 2, semisubs
  • West Orion and West Capricorn, semisubs
  • TMT Deepwater Drillship 1, 2 and 3

Advantages of Alimak rack and pinion lifts

  • Made for tough environments
  • Simple and cost efficient installation
  • No separate machine room
  • No pit or lift-shaft needed
  • Easy to install to almost any structure
  • Small footprint
  • Can be installed on inclined and curved surfaces
  • Indoor or outdoor installation
  • Durable and easy to service and maintain
  • Explosion protected lifts for hazardous areas
  • Operation not affected by rolls, pitches or heaves
  • Easy to retrofit to existing structures

Offshore lifts

The Alimak SE-Ex modular passenger and goods lift range for hazardous areas is mainly intended for the transportation of men and materials at service and inspection work. Technical data:

  • Payload capacity: 400kg – 1,600kg
  • Travelling speed: 0.4m/s – 0.6m/s
  • Maximum lifting height: up to 75m (increased lifting height on request)
  • Ex standard version available in ATEX regulations, protection class: Zone 1 or 2, Gas Group IIA or IIB, temperature class T1–T4

Alimak Special lifts can be customised for the most varying purposes, such as inclined or explosion protected.

Explosion protected lifts

Alimak Hek supplies explosion protected lifts for use in hazardous areas Zone 2 or Zone 1 with gases Group IIB T4 as per IC79. The electrical equipment complies with European standards EN 60079, EN 50014 through EN 50020.


Alimak lifts can easily be installed on any structure and are ideal for retrofitting on existing oil-rigs that are undergoing upgrading, or retrofitted in other hazardous industrial environments. Alimak Hek has actively been involved in a wide range of modernisation projects.

ISO 9001 quality

Alimak Hek AB is third party certified against ISO 9001:2000 and ISO 14001. In addition, the company also receive specific project-to-project third party certification by independent bodies such as Lloyds, DNV and ABS.

Alimak Hek engineers have long and vast experience from projects with high demands and are able to handle special project through all stages. They are trained and organised to provide project plans and risk analyses, carry through approval and inspection procedures and deliver correct, complete documentation on time.

Worldwide organisation

Alimak rack and pinion lifts are provided through a worldwide network of Alimak Hek sales companies and distributors. Local service and support is provided in more than 60 countries around the world. This means easy access to support, spare parts and skilled service technicians at nearby locations. Alimak lifts are produced in Skellefteå, Sweden.

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Press Release

Offshore Elevators Improve Safety and Efficiency at Ports and Shipyards

Relying heavily on a variety of cranes in order to carry out operations. ports and shipyards remain an essential part of worldwide infrastructure.

White Papers

Your Partner in Vertical Access

Alimak Hek is the name you can trust for mast-climbing solutions based on rack and pinion technology.

Alimak Hek AB

P.O. Box 720

S-931 27 Skellefteå


+46 910 87000 +46 910 56690

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Products and Services


Press Release

19 March 2019

Relying heavily on a variety of cranes in order to carry out operations. ports and shipyards remain an essential part of worldwide infrastructure.

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30 October 2017

Leading rack-and-pinion elevator solutions provider Alimak Hek is pleased to announce the expansion of its catalogue of industrial traction elevators.

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7 December 2015

Alimak Group (Alimak), the vertical access solution company, has received two orders for construction hoists in the US to be delivered during the first quarter of 2016. The total order value is Skr16m.

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26 November 2015

Vertical access solution company Alimak Group (Alimak) has been awarded an Skr11m order in the Middle East regarding industrial elevators to an oil refinery, to be delivered during the first and second quarter of 2016.

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5 October 2015

Alimak Group (Alimak), the vertical access solution company, has received a Skr11m order in the US regarding construction hoists to be delivered during the fourth quarter of 2015 and the first quarter of 2016.

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7 September 2015

Alimak Group (Alimak), the vertical access solution company, has received a Skr9m order in Canada regarding construction hoists to be delivered during the third and fourth quarter of 2015.

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10 August 2015

Alimak Group (Alimak), the vertical access solution company, has received an order from Garam Industrial Co. LTD in Korea with an order value of Skr10m regarding 16 construction elevators to be delivered during the third and fourth quarter of 2015.

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13 November 2014

Alimak Hek is introducing two new construction hoist models at Bauma China this year: ALIMAK SC 65/32 and SC 45/30.

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3 October 2014

Three Alimak Scando 650 passenger and material hoists were used in the construction of three 140m (450in) solar receivers / boiler towers at the Ivanpah Solar Generating Facility in the Mohave Desert.

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22 August 2014

In 1986, an Alimak rack and pinion elevator was installed on GrainCorp's Gladstone facility, providing access to critical machinery atop the 70m grain stack.

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17 August 2014

Alimak Hek Group has acquired Heis-Tek's offshore business in Norway. The acquisition enables Alimak Hek to further expand and strengthen its product and service offering of vertical access solutions to the oil and gas industry.

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14 August 2014

May we extend a warm invitation for you to visit our stand at ONS 2014, where members of Alimak Hek's offshore division will be pleased to discuss and help you with the design, service process and planning of your project.

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13 May 2014

Alimak Hek has completed the refurbishment and installation of four Alimak U500 industrial elevators on-board Diamond Offshore's Ocean Apex, extending the operating life of the elevators.

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23 December 2013

Two Alimak rack and pinion elevators were installed in transmission towers along the Amazon river.

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8 October 2013

Alimak Hek recently configured the Alimak SE 1200 industrial lift with an explosion-proof rating to meet the hazardous zone requirements of the North Rankin A gas platform on the North West Shelf, Indian Ocean, Australia.

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28 November 2012

27-30 November 2012 - that's when Bauma China takes place in Shanghai. Over 2,600 exhibitors from 40 countries are lining up for the exhibit. Luckily, Alimak Hek will occupy booth B-13, 207m³ of exhibition space, putting on a spectacular presence at the exhibition.

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10 March 2011

Specially adapted Alimak hoists are playing a vital role in one of Europe's foremost engineering feats, the construction of the Shard in central London. When completed in late 2012, the skyscraper structure with office space at its base and restaurants, a five-star hotel, luxury residences and a

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22 June 2009

Alimak Hek AB has received orders for a total of 48 Alimak rack and pinion lifts to be supplied to the offshore industry. The lifts will be manufactured, delivered and installed throughout 2009 and 2010 for new drillships, semi-submersibles and vessels that are being constructed. Last year was a

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22 June 2009

Alimak Hek AB will supply an Alimak passenger and goods lift with 6.5t (13,000lbs.) payload capacity for BP's new platform at the Valhall field in the North Sea. This is the largest lift without counterweight ever to be manufactured by Alimak Hek. The lift design is custom made for the

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10 June 2008

As part of its strategic focus on vertical access within the construction and industrial area, Alimak Hek has divested the Raise Climber business and related assets in the subsidiary Alimak AB to the Toronto based Arkbro Industries. The divestment does not involve the transfer of the br

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10 August 2006

Skellefteå, 11 May, 2006 - A completely new 'standard build' explosion protected lift is introduced by Alimak specifically for offshore and petrochemical related applications in hazardous areas. The new ALIMAK SE-Ex range complies with ATEX (Europe) and NEC (USA) regulation

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21 December 2001

New offshore lift orders to Alimak Kvitebjørn production platform Alimak has received an order for a 450 kg personnel lift to be installed in the derrick of the Kvitebjørn fixed steel production platform. The Rack & Pinion lift will have its electrical equipment explosion protected fo

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Regional Offices

Alimak Hek AB

P.O. Box 720

S-931 27 Skellefteå


+46 910 87000 +46 910 56690

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