Tender For tender for supply of polypropylene ball valve : : -valve ball polypropylene 25 mm details as per sl no 1 in boq , valve ball polypropylene 32 mm details as per sl no 2 in boq , valve ball polypropelene 40 mm details as per sl no 3 in boq , valve ball polypropylene 50 mm details as per sl no 4 in boq , valve ball polypropelene 65 mm details as per sl no 5 in boq , valve ball poly propylene 80 mm details as per sl no 6 in boq , valve ball polypropylene 100 mm details as per sl no 7 in boq , valve ball check polypropylene 100mm details as per sl no 8 in boq , valve foot 62 or 65 mm details as per sl no 9 in boq , valve foot 75 or 80 mm details as per sl no 10 in boq