bids are invited for an 83142 300067732 , 300023106 , 300023108 , 300099954 , 300099953 , 300099955 gate-valve,solid wedge rising stem material body- a105disc-a182f6 ,800lbs,socket weld ,api 600,size 12 ,ibr quality., forged carbon steel gate valve, os&y type, standard port, hand operated size: 34 nb x 800 lbs; end connection: socket weld, as per ansi b 16.11 moc: (1) body & bonnet: astm a 105, (2) stem: astm a479-410 (13% cr ) hardened, (3) seat ring: astm a276 410 + stl-6, (4) disc wedge :astm a 217-ca-15 a182 f6a (13%cr) + stl-6, (5) yoke sleeve: astm a582 type 416 (6) bonnet gasket: spirally- wound ss 304 with graphite filler, (7) gland flange: astm a 105 (8) gland bush: astm a276 type 410 (9) stem packing: graphite with braided end rings, (10) fasteners (bolts & nuts): astm a 193 gr b7 & astm a 194 gr 2h, compliance standards: design standard: api 602 bs 5352; inspection and testing as per api 598 bs 5352; note: 1. hydrostatic test certificate to be furnished alongwith supply. 2. valves to be supplied duly painted by al. paint of min. 40 micron dft & packed with proper plastic end protector., forged carbon steel gate valve, os&y type, standard port, hand operated size: 1 nb x 800 lbs; end connection: socket weld, as per ansi b 16.11 moc: (1) body & bonnet: astm a 105, (2) stem: astm a479-410 (13% cr)hardened, (3) seat ring: astm a276 410 + stl-6, (4) disc wedge :astm a 217-ca-15 a182 f6a (13%cr) + stl-6, (5) yoke sleeve: astm a582 type 416 (6) bonnet gasket: spirally-wound ss 304 with graphite filler, (7) gland flange: astm a 105 (8) gland bush: astm a276 type 410 (9) stem packing: 1 22graphite with braided end rings, (10)fasteners total quantity : 600