tender for procurement of low pressure manual isolating valves mainly for cccw phes (boiler and turbine side) and other areas under tanda,stg-i,sgtpp for coming overhauling of unit 1, sgtpp.-- 1 procurement of low pressure manual isolating valves mainly for cccw phes (boiler & turbine side) & other areas under t&a,stg-i,sgtpp for coming overhauling of unit#1, sgtpp. 2 gate valve,cast cs,cl#150,65nb # double flange rising stem , hand wheel operated,bonnet & wedge body moc: astm a216 (wcb), seat: a 105+13% cr & stem: ss 410; class#150 3 gate valve,80 nb cs body & bonnet cs astm a 216 gr wcb,wedge:wcb+13% cr steel,stem ss410,packing:graphite ring,outside screw & yoke type with rising stem,hand wheel operated,end connection:flange end,class 150 4 gate valve 100nb, class-150 moc-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-18mm, no of bolt-8, flange to flange-230 mm, flange thickness-25mmrn 5 gate valve size: 125 nb valve body & bonnet: cs astm a216 gr wcb, wedge: wcb+ 13%cr steel, stem: ss 410, packing: graphite ring, hand wheel optd,class:150 6 gate valve 150nb, class-150 moc-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-25mmrn 7 gate valve size: 200 nb valve body & bonnet: cs astm a216 gr wcb, wedge: wcb+ 13%cr steel, stem: ss 410, packing: graphite ring, hand wheel optd,class:150 8 gate valve,250 nb ,class 150,pn 10 cast carbon steel, rising stem & hand wheel operated,body,disc & bonnet astm a216.both seat ss - 304,stem-410 with 02 nos. matching flanges. 9 gate valve,size: 300 nb valve body & bonnet: cs astm a216 gr wcb,wedge: wcb+ 13% cr steel,stem: ss 410,packing: graphite ring,out side screw & yoke type w ith rising stem,hand wheel operated,class: 150, end connection: flanged end,dimension as per ansi: b 16.5 & face to face dimension standard as per astm b 16.10,confirming design standard as per api 600. testing as per api 598. 10 gate valve size: 350 nb valve body & bonnet: cs astm a216 gr wcb, wedge: wcb+ 13%cr steel, stem: ss 410, packing: graphite ring, hand wheel optd,class:150 11 valve, gate 400nb, manual op, c.s body