Weld Nipple Fittings is as per DIN 3865 OR ISO 8434-4 Std. Body and Nut same as DIN 2353. Size 6 mm OD to 42 mm OD, 1/8” OD to 2” OD and ¼” NB to 2” NB. Working Pressure ranging from 100 Bar to 600 Bar depending upon size This fitting mainly consist of 3 parts, Body, nipple (with O ring) and Nut. Body & Nut confirms to DIN 2353 OR ISO 8434-1 dimension and pressure rating. Weld Nipple confirms to ISO 8434-4 std. Material Carbon Steel and Stainless Steel.