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 148,396 pages of information and 233,863 images on early companies, their products and the people who designed and built them.

Triangle Valve Co

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of Lamberhead Green, Wigan.

1948 Private company.

1959 Name changed.

1961 Manufacturers of cast and drop forged steel and cast iron industrial valves for the petroleum, chemical and allied industries. 650 employees. [1]

1964 Merged with Dewrance and Co to form Dewrance-Triangle.[2]

See Also


Sources of Information

  1. 1961 Dun and Bradstreet KBE
  2. The Times, October 20, 1964