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Cast Stainless

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  • Stainless Cast Threaded Caps are stocked in sizes from 3/8" to 4".
  • Available in grades 304 and 316.
  • All Stainless Cast Threaded Caps have female NPT threads.
Sizes are Nominal Pipe Size (NPS) - size chart Five different Cast Stainless Caps
Two types of Cast Stainless Threaded Caps in different sizes and grades.
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Domestic - Made in the USA.

Import - Made elsewhere.

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Class for pipe fittings is a standard defined by the ASME/ASTM. Though stated with a # sign, such as 150# or 3000#, it is not a direct pressure rating.  The pressure rating is dependent on material and temperature and is found by consulting an appropriate reference guide.

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Material refers to the grade of stainless, either 304, 304L, 316 or 316L. The L designates "low carbon", making the fitting good for welding.


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