bids are invited for grease packing gland thickness more than 12mm , 65mm dia gi pipe screwed and socketed medium grade confirming to relevant is specification 1239 , 50mm dia gi pipe screwed and socketed medium grade confirming to relevant is specification 1239 , rubber gasket , 80mm dia gi flange as per isi standard , 100mm dia ci flange as per isi standard , 65mm dia gi union socket as per isi standard , 50mm dia gi union socket as per isi standard , 50mm dia gm gate valve as per isi standard , 50mm dia gi coupling socket as per isi standard , 50mm dia gi bend as per isi standard , 50mm dia gi nipple 6inch length , 65mm dia gi nipple 6inch length , 80mm dia gm gate valve as per is 778 , 80mm dia gi nipple 6inch length as per isi standard , 80mm dia gi union socket as per isi standard , 80mm x 65mm dia gi reducer as per isi standard , 100mm dia ci flange tail piece as per isi standard , 50mm x 40mm dia gi reducer as per isi standard , 80mmx80mmx80mm dia gi tee as per isi standard , cement opc 43 grade , steel tubes, tubulars and other steel fittings as per is 1239 (part 2 - steel pipe fittings) total quantity : 361