procurement of different sizes valve for oh of unit 2 ahp mechanical system,sgtpp , procurement of different sizes valve for o/h of unit#2 ahp mechanical system,sgtpp. , valve,gate,size 50 nb,for water line for boiler sgtpp gun metal body,bsp threaded end ,50 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 ( any reputed make ) , 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 ( any reputed make ) , 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 ( any reputed make ) , 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 ( any reputed make ) , ball valve, 15nb 150 class ss-304 screwed end ( any reputed make ) , ball valve 20nb ss ( any reputed make ) , ball valve 25nb ss ( any reputed make ) , 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 ( any reputed make ) , 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 ( any reputed make ) , 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 ( any reputed make ) , gate valve.c.i,150