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Ram Blowout Preventer

Ram Blowout PreventerA blowout preventer that uses rams to seal off pressure on a hole that is with or without pipe. It is also called a ram preventer. Ram-type preventers have interchangeable ram blocks to accommodate different O.D. drill pipe, casing, or tubing.


 
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Occupational Safety & Health Administration
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Washington, DC 20210		 Page last updated: 02/27/2009