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servicing of critical control valves of make m/s instrumentation limited along with supply of spares for these valves of whrp steam turbine at lakwa thermal power station, maibella (ltps). , lcv-dmw-354 (condensate makeup to surface condenser control valve) , trim set (plug with stem, cage, pressure seal) vsc 1.5300#, cv=24, eq%, ss316+st, pb. as per serial no: 3210478 , gasket (v 543/595) for vsc 1.5 300#. as per serial no: 3210478 , packing (teflon) for vsc 1.5 300#, vair. as per serial no: 3210478 , actuator diaphragm for vair, lift=25mm. as per serial no: 3210478 , seal kit for vair, #300. as per serial no: 3210478 , hv-cds-167 (cph to deaerator control valve) , trim set (plug with stem, cage, pressure seal) vsc 4300#, cv=175, eq%, ss316+st, pb as per serial no: 3111681 , gasket (v 543/595) for vsc 4 300#. as per serial no: 3111681 , packing (teflon) for vsc 4 300#, va2r. as per serial no:3111681 , actuator diaphragm for va2r, lift=37.5mm. as per serial no: 3111681 , seal kit for va2r, #300. as per serial no: 3111681 , uv-dmw-351 (condensate makeup to unit condensate float tank valve) , trim set (plug with stem, cage, pressure seal, backup ring) vdc 2300#, cv=44, eq%, ss316+teflon, pb. as per serial no: 3210481 , gasket (v 543/595) for vdc2 300#. as per serial no: 3210481 , packing (teflon) for vdc 2 300#. vair as per serial no: 3210481 , actuator diaphragm for vair, lift=25mm. as per serial no: 3210481 , seal kit for vair, #300. as per serial no: 3210481 , uv-cds-179 (unit condensate float tank to deaerator valve) , trim set (plug with stem, cage, pressure seal, backup seal, backup ring) vdc 6300#, cv=395, lc on-off, ss316+ teflon, pb as per serial no: 3111651 , gasket (v 543/595) for vdc 6 300#. as per serial no: 3111651 , packing (teflon) for vdc 6300#, va3r. as per serial no: 3111651 , actuator diaphragm for va3r, lift=50mm. as per serial no: 3111651 , seal kit for va3r, #300. as per serial no: 3111651 , fc-cds-50 (minimum recirculation valve) , trim set (plug with stem, cage, pressure seal) vsc 2300#, cv=44, eq%,17-4ph, pb. as per serial no: 3111350 , gasket (v543/595) for vsc 2 300#. as per serial no: 3111350 , packing (teflon-double) for vsc 2 300#, vaid. as per serial no: 3111350 , actuator diaphragm for vaid. as per serial no: 3111350 , fcv-hfw-032a (hp feed water to hrsg 1,2,3 eco. control valve) , trim set (plug with stem, cage, pressure seal) vsc 4 1500#, cv=83, eq%, ss316+st, pb. as per serial no: 3215612 , gasket (v 543/monel) for vsc4 1500#. as per serial no: 3215612 , packing (grafoil) for vsc 4 1500#, va3d. as per serial no: 3215612 , actuator diaphragm for va3d, lift=37.5mm. as per serial no: 3215612 , fcv-lfw-041 (100% lp feed water to hrsg 1,2,3 control valve) , trim set (plug with stem, seat ring) vst 2300#, cv =44, eq%, ss316+st, pb. as per serial no: 3215593 , gasket (v 543) for vst2 300#. as per serial no: 3215593 , packing (grafoil) for vst 2 300#. as per serial no: 3215593 , actuator diaphragm for vaid, lift=25mm. as per serial no: 3215593 , pcv-lpb-153abc (lp steam to lp condenser control valve) , trim set (plug with stem, seat ring) vsc 8300#, cv =640, eq%, ss316+st, pb. as per serial no: 3215722 , gasket (v 543/v595) for vsc 8 300#. as per serial no: 3215722 , packing (grafoil) for vsc 8 300#, va4r. as per serial no: 3215722 , actuator diaphragm for va4r, lift=75mm. as per serial no: 3215722 , seal kit for va4r, #300. as per serial no: 3215722 , servicing and commissioning of the control valves
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