... screw;Elbow -- equal elbow, reducing elbow, elbow with plain end, elbow with screw; car partTee -- equal tee, ... SS304, 304L, 316, 316L, 321L4) Size: 1/8" ~ 4"5) Standard specification ofthreading: to meet DIN 2999/259, ... 1/2" npt 1/2" npt 1/2" npt 1/2" npt 1/2" npt 1/2" npt 1/2" npt 1-1/2" stainless steel quick coupling 1-1/2" stainless steel quick coupling 1-1/2" stainless steel quick coupling lug 1/4 ...