... 8 to 2 inch CW614n, CW617n, steel, Brass Pipe Fittings, male thread Equal Elbow1. BSP/ISO228 parellel thread or NPT ... options: 45 degree, 90 degree, equal elbow, reducing elbow, threaded elbow, welding elbow.6. Brass material: (HPb57-3A, HPb58-3A ... produce and sell other standard or customized threaded pipe fittings and connector, PEX fittings, PEX-AL-PEX fittings, gardening hose couplings, both brass ...