bids are invited for tubing gi 40 mm , copper sulphate , tubing gi 25 mm , cast iron sluice valve of pressure rating pn one point six with operating wheel normal size of valve 200 mm , gate valve gm 40 mm , cast iron sluice valve of pressure rating pn one point six with operating wheel. normal size of valve 150 mm , supply only sluice valve 80mm with both end flanged with iron wheel for clockwise closing steel spindle heavy duty , cast iron sluice valve of pressure rating pn one point six with operating wheel normal size of valve 100 mm , cast iron sluice valve of pressure rating pn one point six with operating wheel normal size of valve 80 mm , supply only brass body check valve 80mm dia suitable for 80mm bore g i pipe of motor pump , gate valve gm 50 mm , tubing gi 20 mm , gate valve gm 20 mm , gate valve gm 15 mm , supply only cast iron foot valve 100 mm dia suitable for 100mm bore g i pipe of motor pump , socket gi 25 mm , socket gi 40mm , union gi 20 mm , socket gi 20mm , tee equal 20 mm , gi elbow 40 mm , gi elbow 20 mm , gi elbow 25 mm , socket reducing gi 15 into 20mm , gi elbow redg 25 into 15mm , gi nipple 20mm or 15mm , socket reducing gi 20 into 25mm , gi elbow redg 25 into 20mm , gland packing 10mm , gland packing 8mm , gland packing 6mm , plug gi 40 mm , gi tee redg 25x15mm , plug gi 25 mm , plug gi 20 mm , plug gi 50 mm