Posts

Showing posts with the label ndt test in coimbatore

Inspection of Pressure vessels

Image
  What is pressure vessel? Pressure vessel is closed container which holds liquids or gasses at a pressure greater than the atmospheric pressure. Definition of Pressure vessel as per ASME BPVC section VIII , Div 1, U1, Pressure vessel are containers for containment of pressure, either external or internal. This pressure may be obtained from a external source or by application of heat. Heat can be applied either by a direct or indirect source, or any combination thereof . Types of pressure vessel based on their purpose : Storage vessel- used primarily for storage of liquids or gases in a pressurized state. Process vessel – vessels in which any of the below operations are performed. Seperation of products combining products breaking down and removing various elements as by products or impurities (Ex. Seperator, reactor, distillation tower, heat exchanger, drums, fractioning tower, etc.) Fired and Un fired pressure vessel Fired pressure vessel – ...