procurement of different sizes of water line and air line valves for overhauling of procurement of different sizes of water line and air line valves for overhauling of unit1 in 2023 24 at ahpmm1sgtpp. , procurement of different sizes of water line and air line valves for overhauling of unit#1 in 2023-24 at ahpmm1,sgtpp. , valve,gate,size 15 nb,for water line for boiler sgtpp gun metal body , bsp threaded end, 15 nb gate valve with hand wheel for water line, leader make, pressure class/rating: is 778/class 1, max. working pressure: 15 kg/cm2, service temp 45 deg c , valve,gate,size 20 nb,for water line for boiler sgtpp gun metal body,bsp threaded end ,20 nb gate valve with hand wheel for water line,leader make,pressure class/rating:is 778/class 1,max. working pressure:15 kg/cm sq,service temp 45 degree c , valve, gate size:25nb, for water line hand wheel operated for water line, pressure class/rating: is 778/class 1, max working pr: 15 kg/cm2, service temp: 45°c, make: leader , gate valve.c.i,65nb size $for water line application with hand wheel,pn 16,type: bb-os and y-rs,stem: aisi 410,seat ring body/disc: ss aisi 304,flanged as per asa class 125,face to fa ce as per is , gate valve.c.i,100 nb size $for water line application with hand wheel,pn 16,type: bb-os and y-rs,stem: aisi 410,seat ring body/disc: ss aisi 304,flanged as per asa class 125,face to fa ce as per is , gate valve.c.i,150 nb size $for water line application with hand wheel,pn 16,type: bb-os and y-rs,stem: aisi 410,seat ring body/disc: ss aisi 304,flanged as per asa class 125,face to fa ce as per is , ball valve, 15nb 150 class ss-304 screwed end , ball valve 20nb ss , ball valve 25nb ss , check valve nrv,150nb,ci,2 flange # face to face and flanged drill as per asa 150,internal working parts ss304,working media: water , gate valve.c.i,80nb size $for water line application with hand wheel,pn 16,type: bb-os and y-rs,stem: aisi 410,seat ring body/disc: ss aisi 304,flanged as per asa class 125,face to fa ce as per is => limited