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Creating a List of Piping Specials and Data Sheets

Creating a List of Piping Specials and Data Sheets

A piping system generally comprises common components such as pipe, fittings, and valves; however, less common piping items may be required, such as strainers, hoses and hose couplings, steam traps, or interlocks. This second group, called piping specials, must carry an SP number as an identifying tag. 

The piping material engineer must create and maintain a list of SP numbers that makes the “special” unique, based on type, material, size, and rating.

This means that there could be several 2 in. ASME 150, ASTM A105 body strainers with the same mesh. As with valves, each piping special must have its own data sheet, to guarantee speedy procurement and future maintenance.

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