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Fred A. Lennon and Cullen B. Crawford founded Crawford Fitting Company in Cleveland, Ohio, in July 1947 to manufacture the Swagelok tube fitting, which used a two-ferrule design to “swage” or form the tube and lock it into place. One year later, Lennon bought out Crawford and continued to grow the business.
The Chairman and President of the company is William Lennon, [2] the grandson of Fred A. Lennon, founder of Swagelok. Lokring employs less than 100 workers at its headquarters. [3] Lokring designs patented, [4] weld equivalent pipe and tube fittings such as
Fred Lennon was born in Providence, Rhode Island, to Patrick and Catherine Lennon, as the youngest of their nine children. [2] By the age of 42, he was living with his wife in an apartment in Cleveland, Ohio, when he borrowed US $500 from his wife's uncle to buy The Crawford Fitting Company later to be renamed Swagelok Company.
In a flare fitting the tube itself is "flared" i.e. expanded and deformed at the end. The flare is then pressed against the fitting it connects to and is secured by a close-fitting nut that ensures that no leakage happens. Tube flaring is a type of forging operation, [1] and is usually a cold working procedure.
In 1957, the company purchased Hannifin, a producer of valve and cylinder products, and changed its name to Parker Hannifin. [10] Many more acquisitions followed, with the company reaching 40 acquisitions by the year 1979. [11] In 1953, Arthur Parker's son Patrick S. Parker began working full-time at the company. [12]
A compression fitting 15 mm isolating valve. A compression fitting is a fitting used in plumbing and electrical conduit systems to join two tubes or thin-walled pipes together. . In instances where two pipes made of dissimilar materials are to be joined (most commonly PVC and copper), the fittings will be made of one or more compatible materials appropriate for the connect
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