supply of (1) 15mm gi pipe long bend 90 degree (2) gi pipe nipple size 1/2 x 4 , 15mm gi pipe long bend 90 degree to size 100 mm x 225 mm total 325 mm both side half inch bsp thread to each is 1239/part ii 2004 heavy duty sample to be approved before bulk su pply [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ] , gi pipe nipple size 1/2 x 4 both side thread is 1879/87. as per drg.no. - specn: is 1879/87 sample to be approved before bulk supply [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]