tender for procurement of different water line valves for replacement of central ac plant of u-3 during overhauling at bktps.-- 1 gate valve 150nb, class-150moc-cs, body & bonnet-a 216-wcb, stem-ss 410, wedge-a 216-wcb+13% cr , seat-a 105+13% cr , hand wheel operated, with matching f bolt hole dia-22mm, no of bolt-8, flange to flange-267 mm, flange thickness-25mmrnadditional data:cast carbon steel (astm a 216 gr.wcb) gate valveclass-150 flanged ends rf-serrated drilled ansi b 16.5, body & bonnet- astm a216 gr.wcb,wedge & seat ring - astm a216 gr.wcb + 13% cr.steel, spindle- aisi 410, gasket- spw. ss 304 + grph. filler, gland packing- graphoil, gland flange & flange bush - aisi 410, back seat bush & yoke bush - aisi 410, yoke sleeve- sg iron, eye bolt + eye nut- carbon steel, stud & nut- astm a193gr.b7 & a194 gr.2h, hand wheel- sg iron,hand wheel nut - carbon steel, body test pressure - 30 bar seat test pressure- 22 bar, max temperature- 260°c manufacturing standard- api 600/ bs 1873 testing standard- api 598/ bs-6755 part 1 face to face std. : as per asme b16.10flange std. : as per asme b16.5 300# rfwith companion flanges & fasteners 2 valve butterfly 150nb #additional data:manual lever operateddisc: ss 304seat: epdm 3 valve buttery fly 125 nb(55.400.12.125)additional data:manual lever operateddisc: ss 304seat: epdm 4 gate valve,125nb,ci,handwheelis:780 class-i,type-osandy-rs,taper wedge,flange bs:10e,8 holes,body/wedge-ci is:210 fg220,seat ring/wedge face ring-aisi 304,stem -aisi 410additional data:design, manufacture and supply of cast iron( is:210,fg:200) double flanged gate valve, solidwedge ,bolted bonnet, outside screw& yokeconstruction, rising spindle made of13%cr,stainlesssteel, wedge rings, seat rings and back seat bush ofgunmetal, gasket of rubber ,gland packing of grafoil, hand wheel of cast iron ,body tested to24kg/cm2 and seat back seat to16kg/cm2 hyd.pressure ,flanged ends drilled to ansi b16.5,flatface, valve conforming to is:14846(pd)withcompanion flanges