supply of spares for erv, safety valves wall blowers, mssv and hp valves for unit iv and v boiler , spares for super heater safety valve model no.1740 md , disc , spares for erv model no: 1538 vx , disc , erv pilot valve disc with stem , erv pilot valve seat bushing , ‘c’ seal ring for erv main tag no. s 33 set pressure 162.5 , spares for drum safety valve model no: 1750wb tag no.b1, b2,b11, design set pressure 181.1kg/cm2 size 76.2 x 152.4mm , disc 7005 , spares for wall blower model: wb-ie , gland packing for soot blower valve head , spiral wound (flange gasket) , spares for main steam stop valve , seat ring gasket (self sealing ring) 380 od x 330 id x 50 mm thick, solft iron, material 90 bhn hardness annealed , spares for hrh safety valve 1786 wd/wb. , disc. , spindle. , overlap collar , spring adjuster. , lower adjusting ring pin , high pressure valve as per technical specification enclosed , nb 25mm (1”) 1500 class, forged alloy steel (f22), globe valve, hand operated, socket welded end. , nb 25mm (1”) 2500 class, forged alloy steel (f22), globe valve, hand operated, socket welded end. , nb 40mm (11/2”) 2500 class, forged carbon steel (sa105), globe valve, hand operated, socket welded end. , nb 25mm (1”), 300 class, cast carbon steel (wcb), burner steam trip valve, pneumatic operated, raised flange ends, air to open with limit switch. , nb 25mm (1”), 800 class, forged carbon steel (sa150), non return valve self operated, socket welded end. , nb 25mm (1”) 800 class, forged carbon steel (sa105), globe valve (micro switch burner (steam / oil isolating valve along with limit switch mounting arrangement (cam assembly without limit switch), hand operated and socket welded end.