Tender For supply of procurement of bronze gauge column cock steam strap feed check valve steam stop flange d d -bronze gauge column cock with ibr test , steam strap 3 by 4 inch strap , feed check valve seat , steam stop flange type valve cs 3 inch , valve chk non rtrn swing cst , conical ring 3 inch 4 inch gauge glass , glass tube 3 by 4 inch x 16 inch , rubber bush 34 x 19 x 42 mm , cs blow off valve 2 point 5 inch