Dielectric Pipe Nipples | McMaster-Carr

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11 Products

About Pipe and Fittings

Measure your pipe and fittings to identify their pipe size, thread size, schedule, and thread type. Then, find compatible components.

Standard-Wall Galvanized Iron and Steel Threaded Pipe Nipples and Pipe for Joining Dissimilar Metals

A plastic sleeve prevents destructive corrosion when connecting different metals. Pipe is also known as Schedule 40 and is designed for low-pressure applications. It is galvanized steel, which has fair corrosion resistance. Not for use in heating systems that use hot liquids or gas.

Pipe—Threaded on Both Ends

Male

Welded—Pipe has a weld bead on the inside.

	Construction	Material		Each
NPT Male







		1/2 Pipe Size

		3"	Welded	40	Galvanized Steel	7819K41	00000




				3/4 Pipe Size

				2 1/2"	Welded	40	Galvanized Steel	7819K51	0000


				3"	Welded	40	Galvanized Steel	7819K42	0000
				4"	Welded	40	Galvanized Steel	7819K52	0000




						1 Pipe Size

						4"	Welded	40	Galvanized Steel	7819K43	00000




								1 1/4 Pipe Size

								4"	Welded	40	Galvanized Steel	7819K44	00000




										1 1/2 Pipe Size

										4"	Welded	40	Galvanized Steel	7819K45	00000




												2 Pipe Size

												4"	Welded	40	Galvanized Steel	7819K46	00000




														2 1/2 Pipe Size

														6"	Welded	40	Galvanized Steel	7819K101	00000




																3 Pipe Size

																6"	Welded	40	Galvanized Steel	7819K102	00000




																4 Pipe Size

	6"															Welded	40	Galvanized Steel	7819K103	00000