procurement of spares of instrumentation limited make control valve of 210 mw atps mppgcl chachai , plug with stem for vsc 10 , # 2500 cv=580 , 17-4ph , = fb , spa2m as per sl . no: 3215329 ( for details pls refer technical schedule ) , cage for vsc 10 , cv=580 , 17-4-ph=% fb , spa2m as per sl . no . 3215329 ( for details pls refer technical schedule ) , pressure seal for vsc 10 , #2500 ( for details pls refer technical schedule ) , v543 ( g ) / monel gasket for vsc10 , #2500 ( for details pls refer technical schedule ) , complte trim ser asy for vsc 6 # 2500bw , cv=175=% , rang: 50:1 , ss440-cpb , va4ras per sl no: 3116581 ( for details pls refer technical schedule ) , pressure seal for vsc 6 , #2500 ( for details pls refer technical schedule ) , v543 ( g ) / monel gasket for vsc 6 , #2500 ( for details pls refer technical schedule )