bids are invited for butterfly valve 18 _ 300152330_ rcf lug type butterfly valve, gearbox operated, centric disc rubber lined, size: 18 nb, pressure rating: 150# flow: bi-directional, rubber lining: fully bonded nitrile rubber lined one piece, coating on body & disc epoxy, tight shut-off in both flow directions material of construction: 1) body: astm a216 wcb 2) disc: astm a216 wcb 3) seat: nitrile rubber 4) stem: aisi 410 5) o-ring: epdm 6) all fasteners: ss304 compliance standards: 1) valve design & manufacturing: api 609bs 5155; 2) testing: api 598 bs 5155; 3) end connections: - suitable to mount between flanges as per ansi b 16.5. 4) valve shall be equipped with disc position indicator with range of 0 to 100% having equal calibrations of 10% note: 1) mtc & hydro test certificate to be furnished along with delivery. 2) valves to be supplied duly painted by epoxy paint & properly packed category not available on gem for the text string uploaded by the buyer relevant butterfly valve (as per api std. 609) total quantity : 8