Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 149,254 pages of information and 234,233 images on early companies, their products and the people who designed and built them.

Hytork Actuators

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Hytork Actuators valve operator manufacturer of Gloucester.

1973 Founded by Ross Stewart.

1977 Sold out to Serck Group.

1981 Serck Group was taken over by BTR Industries.

Hytork came under threat because BTR also owned rival actuator manufacturers Norbro Engineering which had a yearly turnover of £12 million compared to Hytork's tripling of turnover to £2 million in two years. The two companies' different product ranges prevented any chance of a merger and the continuation of Hytork was threatened.[1]

1982 Hytork was bought out by its management and saved from closure by BTR. Ross Stewart became MD and owner of the company once more.[2]

See Also


Sources of Information

  1. The Engineer 1982/04/22
  2. The Engineer 1982/04/22