Galvanized Malleable Plugs

If you're looking for a durable fitting for a water, steam, or air line, our galvanized malleable iron fittings are perfect for you! They have a zinc coating that prevents rust and other types of corrosion. These fittings are also made of strong mild steel (or malleable iron) that's designed for high pressures and temperatures, so failure is rare! Our galvanized malleable plugs have a male-threaded end that can be screwed into a compatible fitting. This allows the user to close off an opening in case they want to expand the pipeline in the future. It's like a cap for a fitting! Browse our full selection below.

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Additional Galvanized Malleable Plug Info

The exposed end of these galvanized malleable iron plug fittings is square, allowing the fiting to be loosened by an adjustable wrench easily. These fittings are widely compatible, due to their MNPT end (male national pipe thread), but without some type of thread sealant, they will not hold a reliable seal. Luckily, thread sealant is inexpensive and highly effective! The two most common types are thread tape and pipe dope (joint compound). They work in different ways, but both achieve the goal of filling up empty space between threads. The best part about thread sealant is that it does not dry and harden, so these threaded joints can be unscrewed at any time!

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