supply of pipe 32 mm bore complete with flange socket 32 mm & flange 32 mm to rdso drg. n o.wd-80007-s-11, item no. 1 of pipe 32 mm bore, item no. 12 for socket 32 mm & item no. 13 for fla nge 32 mm, alt. 12 . including hex nut rpi 1/4 to is: 3468, specn. no. 04-abr-2019(rev. 02 of dec-20 19). [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] wsd/brwd, ecr