supply of various sizes of high pressure valves for unit iv and v boiler , supply of various sizes of high pressure valves for unit – iv & v boiler as per technical specification enclosed: (1/2”) /15 nb /2500 #/ forged carbon steel(sa105)/globe valve/hand operated/socket welded ends , (1/2”)/15nb/2500#/forged alloy steel(f22)/globe valve/ hand operated/ socket welded ends. , (1”)/25nb/1500#/forged alloy steel(f22)/globe valve/ hand operated, socket welded ends. , (1”)/25nb/2500#/forged alloy steel(f22)/globe valve/ hand operated/socket welded ends. , 11/2”)/40nb/2500#/forged carbon steel(sa105)/globe valve/hand operated/socket welded ends. , (1”)/25nb/300#/cast carbon steel (wcb)/burner steam trip valve/pneumatic operated/raised flange ends/air to open with limit switch , 1”)/25nb/800#/forged carbon steel(sa105)/non return valve/self operated/socket welded ends , (1”)/25nb/800#/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/socket welded ends , (21/2”)/65nb/2500#/cast carbon steel (wcb)/“y” type globe valve/hand operated/butt welded ends , (4”)/100nb/300#/cast carbon steel (wcb)/gate valve/ hand operated/ butt welded ends. , 4”)/100nb/2500#/cast carbon steel/globe valve/hand operated/butt welded ends