Tender For replacement of 04 nos of 6 inch dia heavy duty non return valve with bypass arrangement in 6 inch dia pipeline at r-iv top under s. b. project.
Tender For corrigendum : supply of blow pipe for welding and cutting as per is 7653 (v2) (q3) , acetylene pressure regulator as per is 6901 (q3) , oxygen gas regulators (version 2) (q2) , gas cutting nozzles (q3) , rubber welding hoses as per is 447 (q3) , flash back arrestor (q3)