modification and upgradation of two metering yards at ntps namrup and moran o point procurement of valves for pipeline and station , group a: ( mov - ball valves ) - welded body , 20, mov - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 16, mov - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 14, mov - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 12, mov - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 6, mov - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , group b: ( mov - ball valves ) -split body , 20, mov - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 16, mov - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 14, mov - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 8, mov - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 8, mov - ball valves, full bore, flanged, body-astm a 216 gr.wcc, ag, 300# , 6, mov - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 2, mov - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , group c: ( manual ball valves ) , 20, manual - welded body ball valves with stem extension, full bore, butt welded, body-astm a 216 gr.wcc, ug, 300# , 14, manual - welded body ball valves with stem extension, full bore, butt welded, body-astm a 216 gr.wcc, ug, 300# , 20, manual - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 20, manual - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 20, manual - ball valves, reduce bore, flanged, body-astm a 216 gr.wcc, ag, 300# , 16, manual - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 16, manual - ball valves, reduce bore, flanged, body-astm a 216 gr.wcc, ag, 300# , 14, manual - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 14, manual - ball valves, reduce bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 14, manual - ball valves, reduce bore, flanged, body-astm a 216 gr.wcc, ag, 300# , 12, manual - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 12, manual - ball valves, reduce bore, flanged, body-astm a 216 gr.wcc, ag, 300# , 8, manual - ball valves, reduce bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 8, manual - ball valves, full bore, flanged, body-astm a 216 gr.wcc, ag, 300# , 8, manual - ball valves, reduce bore, flanged, body-astm a 216 gr.wcc, ag, 300# , 8, manual - ball valves, reduce bore, flanged, body-astm a352 gr. lcb, ag, 300# , 6, manual - ball valves, full bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 6, manual - ball valves, reduce bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 6, manual - ball valves, reduce bore, flanged, body-astm a 216 gr.wcc, ag, 300# , 6, manual - ball valves, reduce bore, flanged, body-astm a352 gr. lcb, ag, 150# , 4, manual - ball valves, reduce bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 4, manual - ball valves, reduce bore, flanged, body-astm a 216 gr.wcc, ag, 300# , 4, manual - ball valves, reduce bore, flanged, body-astm a352 gr. lcb, ag, 300# , 4, manual - ball valves, reduce bore, flanged, body-astm a352 gr. lcb, ag, 150# , 3, manual - ball valves, reduce bore, flanged, body-astm a352 gr. lcb, ag, 150# , 2, manual - ball valves, reduce bore, butt welded, body-astm a 216 gr.wcc, ag, 300# , 2, manual - ball valves, full bore, flanged, body-astm a 216 gr.wcc, ag, 300# , 2, manual - ball valves, reduce bore, flanged, body-astm a 216 gr.wcc, ag, 300# , 2, manual - ball valves, full bore, flanged, body-astm a352 gr. lcb, ag, 300# , 2, manual - ball valves, reduce bore, flanged, body-astm a352 gr. lcb, ag, 300# , 2, manual - ball valves, reduce bore, flanged, body-astm a352 gr. lcb, ag, 150# , group d: ( globe valves ) , 8, glove valves, butt welded, body-astm a 216 gr.wcb, ag, 300# , 8, glove valves, flanged, body-astm a 352 gr. lcb, ag, 300# , 6, glove valves, butt welded, body-astm a 216 gr.wcb, ag, 300# , 4, glove valves, butt welded, body-astm a 216 gr.wcb, ag, 300# , 4, glove valves, flanged, body-astm a 352 gr. lcb, ag, 300# , 3, glove valves, flanged, body-astm a 352 gr. lcb, ag, 150# , 2, glove valves, butt welded, body-astm a 216 gr.wcb, ag, 300# , 2, glove valves, flanged, body-astm a 216 gr.wcb, ag, 300# , 2, glove valves, flanged, body-astm a 352 gr. lcb, ag, 300# , group e: ( check valves ) , 20, check valves, swing type, flanged, body-astm a 216 gr.wcb, ag, 300# , 14, check valves, swing type, flanged, body-astm a 216 gr.wcb, ag, 300# , 3, check valves, swing type, flanged, body-astm a 352 gr. lcb, ag, 150# , 2, check valves, swing type, flanged, body-astm a 216 gr.wcb, ag, 300# , 2, check valves, swing type, flanged, body-astm a 352 gr. lcb, ag, 150#