The ZAA welding nipples from PNR EUROPE, can be radiused upon purchase. It has radii sizes of 10, 12.5, 16, 20, and 25 millimeters. These allow GX, KX, or BX nozzle tip constructions in spray and pipe duplicates. Furthermore, the protection of the nozzle tips is provided by the VED, VEA, and VEC compliant 3/8" BSPP threaded nipple.