... Item: High pressure pipe fittings, 90/45 degree threaded/socket elbow, threaded/socket Tee, reducing Tee, threaded/ socket union, butt welding union, coupling, half ... 45 degree, deflected swage, butt welding Tee, boss, Street elbow(in & out threaded elbow), Tee union, hose fittings. Size: 1/8" -4"(DN6 ...