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Wi | They are forged carbon steel fittings that are electroplated. Often times with zinc or a caring containing zinc. Nickel is also used along with other coatings. There's also stainless fittings too of course.
The low pressure galvanized plumbing fittings are often hot dipped cast fittings. Much cheaper.
There's also a difference in threads. Most hydraulic fittings use NPTF versus plumbing using NPT. NPTF requires no sealant or tape when used properly, most people cram a bunch in there anyways for some reason. | |
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galvanized fitting on hydraulic?
