181 PP SERIES 　　Range of Nominal Size Nominal Size （mm） Indication Pipe Socket 90° Elbow 45° Elbow Tee Reducer Bushing End Cap Socket Flange Flange Adapter Loose PN10 PN4 Flange 15 d20 ◎ − ◎ ◎ ◎ ◎ − ◎ ◎ ◎ ◎ 20 d25 ◎ − ◎ ◎ ◎ ◎ 15 ◎ ◎ ◎ ◎ 25 d32 ◎ − ◎ ◎ ◎ ◎ 15 20 ◎ ◎ ◎ ◎ 32 d40 ◎ − ◎ ◎ ◎ ◎ 15 20 25 ◎ ◎ ◎ ◎ 40 d50 ◎ − ◎ ◎ ◎ ◎ 15 20 25 32 ◎ ◎ ◎ ◎ 50 d63 ◎ − ◎ ◎ ◎ ◎ 20 25 32 40 ◎ ◎ ◎ ◎ 65 d75 ◎ − ◎ ◎ ◎ ◎ 50 ◎ ◎ ◎ ◎ 80 d90 ◎ − ◎ ◎ ◎ ◎ 50 65 ◎ ◎ ◎ ◎ 100 d110 ◎ − ◎ ◎ ◎ ◎ 80 ◎ ◎ ◎ ◎ 125 d140 ◎ ◎ ◎ ◎ ◎ ◎ 100 − − ◎ ◎ 150 d180 ◎ ◎ ◎ ◎ ◎ ◎ 125 − − ◎ ◎ 200 d225 ◎ ◎ ◎ ◎ ◎ ◎ 150 − − ◎ ◎ Nominal Size （mm） Indication Welded Flange Blind Flange Prefab Joint Male Adapter Female Adapter EF. . . PP-PP PP×PVC PP× Socket C-PVC 15 d20 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ 20 d25 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ 25 d32 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ 32 d40 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ 40 d50 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ 50 d63 ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ ◎ 65 d75 ◎ ◎ ◎ − − − − − ◎ 80 d90 ◎ ◎ ◎ − − − − − ◎ 100 d110 ◎ ◎ ◎ − − − − − ◎ 125 d140 ◎ ◎ ◎ − − − − − ◎ 150 d180 ◎ ◎ ◎ − − − − − ◎ 200 d225 ◎ ◎ ◎ − − − − − ◎ Welding Rod Shape Diameter Unit Single 3 2kg（Stick type1m） 4kg（Scroll type） 4 2kg（Stick type1m） 4kg（Scroll type） 5 2kg（Stick type1m） 4kg（Scroll type） Double 3 2kg（Stick type1m）