Tender For corrigendum : supply of steam jacketed plug valve, size: 1 inch x 2 inch as per item sr. no. 1 of buyer spec doc , steam jacketed plug valve, size: 2 inch x 3 inch as per item sr. no. 2 of buyer spec doc , steam jacketed plug valve, size: 4 inch x 6 inch as per item sr. no. 3 of buyer spec doc