Ajax is a brand of integral engine / compressor manufactured by the Compression Systems

Compression Systems

Compression Systems , one of three organizational groups within Cameron International Corporation, is a provider of reciprocating and centrifugal compression equipment and aftermarket parts and services...

 group of Cameron corporation. Ajax is the oldest continuous engine product line manufactured in the United States and has been utilized in the oil and gas industry for 130 years.
Ajax integral engine-compressors are gas compressor

Gas compressor

A gas compressor is a mechanical device that increases the pressure of a gas by reducing its volume.Compressors are similar to pumps: both increase the pressure on a fluid and both can transport the fluid through a pipe. As gases are compressible, the compressor also reduces the volume of a gas...

s with built-in reciprocating engine

Reciprocating engine

A reciprocating engine, also often known as a piston engine, is a heat engine that uses one or more reciprocating pistons to convert pressure into a rotating motion. This article describes the common features of all types...

s. Their compact design and gas drive make them useful for field installation and work.

History

The Ajax Iron Works started in 1877 in Corry, Pennsylvania

Corry, Pennsylvania

Corry is a city located in northwestern Pennsylvania in the United States. With a population of 6,834 at the 2000 United States Census, it is the second largest city in Erie County. Corry is a part of the Erie Metropolitan Statistical Area...

, manufacturing steam engines. In 1895, the company added gas engines to its product line, and would continue to manufacture gas and steam until the latter was discontinued following World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

. Starting in 1946, Ajax gas engines became a primary product utilized by oil and gas companies. In 1958, the first Ajax integral engine / compressor was manufactured and was specifically designed for field gas gathering applications. It was a DPC 230 and was soon followed by a complete line of Ajax integral engine-compressors from 30-360 horsepower. In 1963, the company was bought by the Cooper Cameron Corporation (now Cameron). In response to demand for a larger Ajax, the DPC 600 was introduced in 1976. This was followed by the DPC 800 in 1984.

Today

In the 1990s, the Ajax DPC 2200 series and the DPC 2800 series were created and are still manufactured today.