bids are invited for gate valve solid wedge, rising stem, material body astm a105/disc a182 gr f6, stellited socket weld, 1500 lbs size-1/2 testing as per 598 design as per api 600, gate valve solid wedge, rising stem, material body,astm a105 gr1/disc- a182/f6, stellited, 1500 lbs, sw, api-600, size-3/4 ., gate valve 1 1/2 1500# a105 sw body and bonnet welded, body a105, trim t5, design as per b 16.34 testing as per api 598, handwheel operated, gate valve 1#1500 s.w. material : body and bonnet-a105stem-astm a1 f6,disc & body seat ring-a 182 f6 stellited,gland packing-grafoil with braided end rings,body to bonnet-welded/integral, design as per api 6 00,testing as per api 598, back seat arrangement is required, valves s hall be supplied with ibr certificate, valve gate 1/2 size 2500# rating end connection socket weld as per ansi body and bonnet:a 105, trim a 182 gr f6, seat wedge type welded bonnet, o.s.& y type, rising stem, handwheel operated, design as per api 600,testing as per api 598, valve gate 3/4 size 2500# rating end connection socket weld as per ansi body and bonnet:a 105, trim a 182 gr f6, seat wedge type welded bonnet, o.s.& y type, rising stem, handwheel operated, design as per api 600,testing as per api 598 total quantity : 765