please help improve it or discuss these issues on the talk page . learn how and when to remove these template messages this article relies too much on references to primary sources . please improve this by adding secondary or tertiary sources . september 2011 learn how and when to remove this template message this article is an orphan as no other articles link to it . please introduce links to this page from related articles ; try the find link tool for suggestions . september 2012 this article relies largely or entirely upon a single source . relevant discussion may be found on the talk page . please help improve this article by introducing citations to additional sources . september 2011 this article may require cleanup to meet wikipedia s quality standards . no cleanup reason has been specified . please help improve this article if you can . september 2011 learn how and when to remove this template message this article contains content that is written like an advertisement . please help improve it by removing promotional content and inappropriate external links and by adding encyclopedic content written from a neutral point of view . november 2011 learn how and when to remove this template message learn how and when to remove this template message vulkan group hackforth holding type gmbh & co. kg founded 1889 headquarters herne germany area served worldwide number of employees 1 200 2012 divisions industry sector energy sector website www.vulkan.com the vulkan group is a german engineering company . the owner managed company has its headquarters in herne . the company now operates in more than 50 countries and has 20 subsidiary companies 51 representative offices and six manufacturing facilities worldwide . history edit 1889 vulkan s history began following the foundation of maschinenfabrik louis schwarz in dortmund . the company initially functioned as a supplier of brewing equipment tanks and low pressure compressors for the already well established dortmund breweries . 1898 the world s first clutch which was capable of being activated under load was produced for use in lifting machinery hoists and reversing gearboxes . it was manufactured by luis schwarz and it marked the beginning of vulkan couplings . 1918 the merger of maschinenfabrik luis schwarz and the company heinrich behrend resulted in the establishment of dortmunder vulkan ag . 1930 the flourishing construction of couplings and transmission units for ships was separated from dortmunder vulkan ag and made autonomous under the name vulkan kupplungs und getriebebau gmbh . 1941 maschinenfabrik hackforth & co. took over the production from vulkan kupplungs und getriebebau gmbh . this resulted in the foundation stone for the co operation between vulkan and hackforth being laid . 1945 all commercial and technical installations of vulkan in dortmund and hackforth in herne were destroyed during a world war ii air raid . the reconstruction of maschinenfabrik hackforth & co. in wanne eickel commenced immediately after the war . 1967 vulkan was entrusted with the construction of the largest highly flexible couplings that had ever been built the ez 560 with a nominal torque of 981 knm . 1978 foundation of vulkan lokring rohrverbindungen gmbh & co. kg the headquarters of which were and remain located in herne . the company is engaged in the development production and marketing of solder free tube connections for air conditioning and refrigeration . 1982 vulkan kupplungs und getriebebau developed a coupling with an extremely high torsional flexibility which bore the name rato . following this the manufacturing of the patent registered rato s coupling began . 2005 vulkan kupplungs und getriebebau established an in house vulcanisation ensuring the control knowhow and reproducible quality of a core process . from natural rubber elastomer the vulcanization produces components with volumes from 0.4 to 140 litres for all highly flexible couplings . 2008 to harmonise the global range of products and to optimise the marketing strategy the business of the vulkan group was divided into the following four business divisions vulkan couplings vulkan drive tech vulkan lokring . 2010 vulkan couplings established the acotec advanced couplings technology strategy . acotec is an integrated approach bringing together all competences in house ensuring that the best possible products and services can be provided . the divisions edit the hackforth holding gmbh & co. kg is the management company of the vulkan group it consists of the vulkan subsidiaries vulkan kupplungs und getriebebau b. hackforth gmbh & ko . kg and vulkan lokring rohrverbindungen gmbh & ko . kg . the head office of the group is located in herne germany . production and sales activities within the vulkan group are organized by division because of the diversified business portfolio . the three divisions vulkan couplings vulkan drive tech vulkan lokring each have their own product range and independent control of their market activities . nevertheless the individual divisions work together in one market sector to produce synergies which make it possible to provide integrated solutions . vulkan couplings highly flexible couplings damper mounts shafts for maritime applications and stationary energy generation vulkan drive tech couplings dampers mounts brakes for industrial applications vulkan lokring tube connections in the field of cooling air conditioning technology external links edit website company profile at niro vulkan couplings best ckt erste marine anwendung des man tcs ptg vulkan high tech from herne for the worldwide market http www.youtube.com watch v wmhi92ue4gu http www.youtube.com watch v x8lkyut18sc http www.youtube.com watch v nyojtj42pxo retrieved from https en.wikipedia.org w index.php title vulkan group & oldid 732788655 categories engineering companies of germanyhidden categories articles lacking reliable references from september 2011all articles lacking reliable referencesorphaned articles from september 2012all orphaned articlesarticles needing additional references from september 2011all articles needing additional referencesarticles needing cleanup from september 2011all articles needing cleanupcleanup tagged articles without a reason field from september 2011wikipedia pages needing cleanup from september 2011articles with a promotional tone from november 2011all articles with a promotional tonepages using infobox company with unsupported parameters navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 3 august 2016 at 07 34 . text is available under the creative commons attribution sharealike license ; additional terms may apply . by using this site you agree to the terms of use and privacy policy . wikipedia is a registered trademark of the wikimedia foundation inc. a non profit organization . privacy policy about wikipedia disclaimers contact wikipedia developers cookie statement mobile view