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Malleable Iron

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  • Malleable Iron Couplings are available in both black and galvanized finishes.
  • All are Full Couplings.
  • Malleable Iron Couplings are stocked in sizes from 1/8" to 4".

Five different sizes of Malleable Iron Couplings

Temperature/Pressure cross reference for Malleable Iron Couplings
Sizes are Nominal Pipe Size (NPS) - size chart
Two different Malleable Iron Couplings in black and galvanized finishes.
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Domestic = Made in the USA

Import = Made anywhere else

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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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Black - standard pipe finish.

Galvanized - zinc plated for corrosion resistance.

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Full couplings are intended to join two pieces of pipe together. Half couplings are used to make a branch connection instead of using a sockolet or thredolet.


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