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E.B. Kunkle Co. was established in 1875, in Ft. Wayne, Indiana by Erastus B. Kunkle, to produce his patented Lock Up Safety for railroad use. This innovative new valve was so successful that virtually every railroad in the U.S., Canada and several other countries quickly adopted its use. E.B. Kunkle went on to produce over 100 patented inventions, providing the company with a varied product line of safety valves.

Soon after E.B. Kunkle's death in 1913, the company was purchased by Oscar A. Fox and renamed to Kunkle Valve Company.

  
Kunkle Valve Division, located in the heart of the Blue Ridge Mountains in Black Mountain, North Carolina, USA.

Kunkle Valve made several acquisitions during the mid-1940s, including the Star Brass Manufacturing Company of Boston in 1947. This acquisition added an entire line of engineered U.S. Navy approved relief valves that are still extensively used today aboard all types of naval vessels.


An original 1895 drawing by E.B. Kunkle

 		  

 

 

 

 

 
In the mid-1950s, Kunkle purchased railroad valve manufacturer J.E. Lonergan, strengthening the new corporation's standing as a respected manufacturer of safety and relief valves. In November 1991, Kunkle Industries became a publicly held company following its purchase by Anderson Greenwood & Co. The pairing of the Kunkle and Lonergan spring-activated valves with the pilot-operated valves manufactured by Anderson Greenwood, resulted in a stronger market position for Kunkle in the relief valve industry.

In September 1997, Kunkle Valve, as a part of Anderson Greenwood and Keystone, became a part of Tyco International Ltd. In addition to the above companies, Tyco's Flow Control group includes many well established companies such as Grinnell, Mueller, Unistrut, Vanessa and Yarway.

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