tender for supply of velan make valves spares , list of item(s) / work(s) as per tender documents , gasket,4 way,fl,spwd,600,12in ; valve, ball type : 4 way switch valve body material specification : astm a 217c12 trim(ball/disc/plug)material:astm a487 ca6nm(one piece) end connection : flanged ; gasket,vlv,4 way,spwd,600,12in ; item description : gasket (set), 4-way valve, size:12in, 600#, item no:19a <(>&<)> 19b, dwg.no:x012-334910-e01 sheet 3 of 3 each set of gasket (spiral wound, ss347/graphhite filled) shall consist of following: a) 01 nos of gasket, item:19a b) 03 nos of gasket, item:19b , packing,control ring valve 30in ; valve and valve parts ; ball,ring,fl,as,astm a 217,300,30in ; item description : packing,p/n:9079-098-535/230, 2-way ring valve, size:30in, 300#, item no:13a (2 nos) item no:13b (8 nos) specification and dwg.no:x012-334910-e03 sheet 1 of 3 , gasket,control ring valve 30in ; valve and valve parts ; ball,ring,fl,as,astm a 217,300,30in ; item description : body gasket p/n:8979-185-340, 2-way ring valve, size:30in, 300#, item no:19 specification and dwg.no:x012-334910-e03 sheet 1 of 3 , ball with stem, x012-334910-e04 ; valve & valve parts ; ball with stem, x012-334910-e04 ; item description : stem/ball, 2-way ball valve, size:14in, 600#, item no:04 specification and dwg.no:x012-334910-e04, sheet 1 of 3 , seat,4 way,fl,as,astm a 217,600,12in ; valve, ball type : 4 way switch valve body material specification : astm a 217c12 trim(ball/disc/plug)material:astm a487 ca6nm(one piece) end connection : flanged ; seat,vlv,4 way,600,12in ; item is seat, 4-way valve, size:12in, 600#, item no:09, dwg.no:x012-334910-e01 sheet 3 of 3, moc:astm a182 f9 (stellited) , liner,4 way,fl,as,astm a 217,600,12in ; valve, ball type : 4 way switch valve body material specification : astm a 217c12 trim(ball/disc/plug)material:astm a487 ca6nm(one piece) end connection : flanged ; liner,vlv,4 way,600,12in ; item is liner, 4-way valve, size:12in, 600#, item no:50, dwg.no:x012-334910-e01 sheet 3 of 3, moc:astm a335 p9 , set,packing,4 way,fl,600,12in ; valve, ball type : 4 way switch valve body material specification : astm a 217c12 trim(ball/disc/plug)material:astm a487 ca6nm(one piece) end connection : flanged ; set,packing,vlv,4 way,600,12in ; item description : set of packings, 4-way valve, size:12in, 600#, item no:13a <(>&<)> 13b, dwg.no:x012-334910-e01 sheet 3 of 3 each set of packings shall consist of following: a) 02 nos of packing, item:13a b) 05 nos of packing, item:13b