supply of pipe asm , pipe asm as per drg no. 9568632 alt a specn: specification for cleaning, surface/ rust preventive,i-mark and packing conditions misc:453 [ warranty period: 30 months after the d ate of delivery ] ] , elbow 90 degree reducing pipe to emd pt no 189368 alt-aa, and to dlw part no: 17281222. [ warranty period: 30 months after the date of delivery ] ] , pipe assembly to emd part no. 10634366 and dlw part no. 17050698 as per drawing numb er 10634366 alt a or latest. drawing attached. make nike energy / vinumac / p p s international / forfox e ngineering /gandhi brothers. [ warranty period: 30 months after the date of delivery ] ]