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Rotork plc
Traded asLSEROR
HeadquartersBath, Somerset, UK
Key people
Martin Lamb, Chairman
Kevin Hostetler, CEO
Revenue£695.7 million (2018)[1]
£146.0 million (2018)[1]
£91.7 million (2018)[1]
Number of employees
3,700 (2019)[2]

Rotork plc is a British-based company manufacturing industrial flow control equipment. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.


Rotork headquarters and factory in Bath

The Company was established as a small engineering workshop in Bristol in the 1940s. In 1945 it was acquired by Frenchay Products led by Jeremy Fry. It made its first actuator in 1952.[3] In 1957 Rotork moved to Bath, initially operating from Widcombe Manor, Jeremy Fry’s home, with 12 staff. In 1962 it moved into a new production plant in Newbridge, Bath, which remains the company's headquarters.[4] It was first listed on the London Stock Exchange in 1968 as Rotork Controls.[5]

Electrically actuated butterfly valves controlling the automatic operation of filter plant in a water treatment works
A pneumatically actuated safety shut-down ball valve in a natural gas processing plant

Protech Instruments & Systems, an instrumentation company, was purchased in 1985 to expedite the development of Pakscan, a digital bus control system for actuators.[6] In 1999 it bought Fluid System Srl, an Italian actuator business, in 2000 it bought Skilmatic in Leeds[6] and in 2002 it acquired Jordan Controls, a United States actuator business.[3] It started operating in Sweden in 2008 with the purchase of Remote Control.[7]

In 2009 the company acquired Flow-Quip,[8] and in 2010 Ralph A. Hillier, US-based businesses.[9] In 2011 Rotork Servo Controles de Mexico S.A. de C.V. became fully owned by Rotork after being part-owned since the 1970s.[10] Shortly afterwards Rotork purchased Valco Valves Automation AS, Rotork’s long term sales and service agent in Norway, now renamed Rotork Norway.[11] Rotork acquired K-Tork International Inc., based in Dallas, and Centork Valve Control S.L., a Spanish actuator manufacturer based near San Sebastián.[12]

In 2011 Fairchild Industrial Products in North Carolina was acquired, and the Rotork Instruments division created.[13] In the UK Prokits was purchased and merged with Rotork Valvekits.[14] In 2012 Italian switchbox manufacturer Soldo Srl was added to Rotork Instruments and in 2013 the German actuator manufacturer Schischek was purchased.[15]

Flowco in the UK and Renfro associates in the USA were further acquisitions in 2013, both adding to the company’s service capabilities, and the Italian actuator manufacturer GT Attuatori Srl was also purchased.[16] In 2014 Rotork Instruments acquired Young Tech Co. Ltd. (YTC), a Korean instrumentation manufacturer.[17] In 2014 Rotork also acquired Xylem Flow Control Limited (XFC), based in Wolverhampton, UK, a leading manufacturer of solenoid valves and instruments under the Midland-ACS, Alcon Solenoid Valves and Landon Kingsway brands for £18 million.[18] At the beginning of 2015 Rotork acquired part of Omas Teknik,[19] its sales and service agent in Turkey. M&M International Srl,[20] and Bifold Group were acquired in 2015 to further strengthen Rotork’s Instruments division.[21]

Also in 2015 Rotork acquired Servo Moteurs Service, an actuator service business located in the South of France, as an important step forward in the development of Rotork’s direct service offering to its customers[22] and Roto Hammer, a manufacturer of custom-designed chain wheel manual valve operators based in Tulsa, Oklahoma, USA, to sit within the Rotork Gears division.[22] In the beginning of 2016 Rotork acquired Mastergear, a leading manufacturer of manual and motorised gearboxes for valves, which has operations in Italy and the USA, to strengthen its Gears division.[23]


The company is a designer and manufacturer of industrial flow control products encompassing valve actuators, gearboxes, control systems, instrumentation and accessories. It is organised into the following businesses: Rotork Controls, Rotork Fluid Systems, Rotork Gears, Rotork Instruments.[24]


  1. ^ a b c "Preliminary Results 2018" (PDF). Rotork. Retrieved 4 March 2019.
  2. ^ "Rotork: Careers". Retrieved 7 March 2019.
  3. ^ a b History of Rotork plc Funding Universe
  4. ^ 50 years in control 1957-2007 (Report). Rotork. 2007. Retrieved 9 September 2015.
  5. ^ "ROTORK PLC ORD 5P - London Stock Exchange". Archived from the original on 7 April 2015. Retrieved 3 April 2015.
  6. ^ a b "Profile of the International Valve Industry". Retrieved 3 April 2015.
  7. ^ Rotork acquires Remote Control Sweden Waste and Watewater, 28 February 2008
  8. ^ Rotork buys Flow-Quip Controls for $8m Valve Magazine, 11 November 2009
  9. ^ Rotork acquires Ralph A. Hillier Company VMA, 24 May 2010
  10. ^ Rotork Acquires Servo Controles de Mexico S.A. de C.V.
  11. ^ Rotork Acquires Valco Valves.
  12. ^ Rotork Acquires K-Tork International Inc. and Centork Valve Control S.L.
  13. ^ "Rotork buys US power-tools firm Fairchild for $76M". Marketwatch. 18 November 2011. Retrieved 26 June 2014.
  14. ^ Rotork Acquires Prokits
  15. ^ "Rotork posts record order book of £208m". Water Briefing. 6 August 2013. Retrieved 26 June 2014.
  16. ^ "Rotork acquires GTA Group". Automation. 7 October 2013. Retrieved 26 June 2014.
  17. ^ "Rotork Acquires YTC for $107 Million". Control Design. 4 March 2014. Retrieved 26 June 2014.
  18. ^ "Rotork Acquires Xylem Flow Control For £18 Mln". RTT News. 7 February 2014. Retrieved 6 April 2016.
  19. ^ "Rotork: Mergers and Acquisitions". Retrieved 19 July 2016.
  20. ^ "Solenoid valves acquisition boost Rotork's portfolio". Gas World. Retrieved 19 July 2016.
  21. ^ "Bifold bought by Rotork for £125m". Manchester Evening News. Retrieved 19 July 2016.
  22. ^ a b "Rotork Acquires US's Roto Hammer And France's Servo Moteurs Service". Alliance News. 29 September 2015. Retrieved 5 September 2016.
  23. ^ "Rotork Acquires Mastergear from Regal Beloit". VMA. 29 April 2016. Retrieved 5 September 2016.
  24. ^ "Divisions". Rotork. Retrieved 23 April 2017.

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