Overhauling Maintenance of HP LP Valves of Turbine side of 2X500 MW B TPS Anpara

Amount

Servicing of motor operated M-BFP discharge isolation valves, control & isolating valves on feed water lines, Ist/IInd discharge NRVs of M-BFP, manually operated gate/globe valves installed of HP lines on Turbine side. Size: 250~300mm, Design press.: > 40 Kg/cm2, temp.: 250 oC

Servicing of motor operated discharge isolation valve, Ist / IInd. discharge NRVs of T-BFPs, control & isolating valves on feed water lines. Size:350 mm, Design press.: 219~302 Kg/cm2, temp.:210 oC

Servicing of feed water minimum flow isolation valves, pneumatically operated control valves on Turbine side. Size:150 mm, Pr. : 219~224 Kg/cm2

Servicing of motor operated control valve, motor operated gate/globe valves, manually operated gate/globe valves, check valves Size:150~250 mm & manually operated valves of Size: 15~100mm installed on HP lines. motor operated valves. Size: 25~100 mm Pr.> 40 Kg/cm2

Servicing of hydraulic operated HP Bypass spray water control valves, spray isolation valves, NRVs on Turbine side. Size:100-150mm, Pr. : 152 Kg/cm2.

Servicing of HPH 5A, 5B, 6A, 6B Extraction steam valve, check valves. Size: 250mm, Pr.: 40~51Kg/cm2

Servicing/Overhauling of CRH reverse current valve. Size:900mm, Pr:51 Kg/cm2

Replacement of HP / LP valves of different Floors by cutting of damaged valve & welding of new valve. Size: 08~25 mm.

Replacement of flange gasket of HP/LP valves & piping on per mm dia.basis of valve.

Replacement of gland packing with new one of HP / LP Valves on per mm dia. basis of valve.

Replacement of HP / LP Heater man hole flange gasket.

Servicing of HPH - 5A/5B, 6A/6B, LPH-2&3, deaerator & Gland steam header safety valve.

Servicing of suction relief valves of T-BFPs / M-BFPs / CEPs / LPHs / HPHs and safety valves of main air ejectors.

Servicing of motor operated/control & isolation valves installed on LP lines. Size: 25~100mm, Pr. <40 Kg/cm2.

Servicing of motor operated / control & isolation valves installed on LP lines. Size: 150~200mm, Press<40 Kg/cm2.

Servicing of motor operated/control & isolation valves installed on LP lines. Size: 250~650 mm, Press<40 Kg/cm2.

Servicing of mannual operated gate/globe valves & NRVs installed on LP lines. Size: 15~100mm, Pr. <40 Kg/cm2.

Servicing of mannual operated gate/ globe valves & NRVs installed on LP lines. Size:150~350mm, Press<40 Kg/cm2.

Servicing of mannual operated gate/ globe valves & NRVs installed on LP lines. Size: 400~650mm, Press < 40 Kg/cm2.

Servicing of steam drain trap valve. Size: 40~50mm, Pr. < 40Kg/cm2.

Revisioning/ Servicing of Butterfly valves installed on ACW System & Gland steam system.Size:150~350mm.

Revisioning / Servicing of Butterfly valves of ACW System. Size: 450~750mm

Revisioning / Servicing of NRVs installed on ACW System. Size: 500mm.

Revisioning / Servicing of NRVs installed on SRW System. Size: 750mm.

Servicing of gear boxes of various valves installed on ACW System, feed water, condensate & steam line. Valve Size: 100~750 mm.

Servicing of gear boxes of various valves provided at condenser inlet & outlet in CW line and BFP-T exhaust to condenser. Valve Size: 1350-2100 mm.

Revisioning/Servicing of butterfly valves of BFP-T exhaust to condenser. Size:1350 mm.

Revisioning/Servicing of butterfly valves provided at condenser inlet & outlet in circulating water line. Size:2100 mm.

Welding/repair of LP pipings attending leakages of pipe lines & headers etc. by cutting the damaged portions.

Revisioning / Servicing of Ventilator valve.

Replacement of flange type gate/globe valves of M-BFP & T-BFP oil coolers / LP lines Size: 80 -100 mm

Replacement of butt welded gate/globe valves of M-BFP & T-BFP oil coolers/LP lines Size: 80-100 mm

Revisioning/Servicing of NRVs installed on sump pump pipe lines on Turbine side. Size: 50-100 mm.

Revisioning / Servicing of Ball Collector of Condenser Tube Cleaning System.

Inspection/minor repairing of ball catch strainer of condenser tube cleaning system installed inside CW return line of size:2100 mm

Revisioning/Servicing of ball type valves installed on condenser tube cleaning system on Turbine side. Size:15-40 mm.

Revisioning/Servicing of ball type valves installed on condenser tube cleaning system on Turbine side. Size: 65 -100 mm.

Inside inspection and minor repairing of HP/LP Flash Tanks.

Inspection/Repairing of nozzle of starting air ejector.

Replacement of HP / LP valves of different Floors by cutting of damaged valve & welding of new valve. Size: 40~65 mm.

Inspection and O/H of nozzles of Steam Jet Air Ejector.

Inside inspetion of CW outlet duct by opening of its manhole

Revisioning / Servicing of HP Heater Bypass Valve BF-031-EGV

Revisioning / Servicing of Isolating valve for Superheater spray water SP-031-MGV

M/S BIHAR CONSTRUCTION CO.

M/S S N ENTERPRISES