
Male and female NPT threads for connecting two pipesFlat banded straight sizesStandard malleable iron fittings, FedSpecWW-P-521F, ANSI B-163 (Dimensions), ANSI B-21 (Pipe Threads), ASTM A-197 (Chemical & Physical Properties)
Male and female NPT threads for connecting two pipes
Flat banded straight sizes
Standard malleable iron fittings, Fed
Spec
WW-P-521F, ANSI B-16
3 (Dimensions), ANSI B-2
1 (Pipe Threads), ASTM A-197 (Chemical & Physical Properties)