Overhauling of HP, LP Valves, NRVs, Actuators, Heat Exchangers like LP and HP Heaters, Ejectors, Drain Coolers and Turbine lub. oil coolers of Unit No.-2 of 3X210 MW, ATPS, Anpara

Amount

Servicing/overhauling of Actuators of motor driven valves of steam lines and water lines of following types.

Beacon Rotork make actuators Type K-600 F-14E

-do- Type K-300 F-14A

-do- Type K-150 F-10A

a) EMG make actuator type DC3-A106B b) Indo make Actuators (check make type) c) Auma make Actuators type SA50E&SA6A d) Siemens make Actuators Type F-211-EM-10 e) Limitorque make Actuators Type SMB-2 and SMB-000

HIGH PRESSURE VALVES & SPECIAL VALVES

Safety valves on condensate line for sealing of gland seal valves (S.V.17)

Safety valve on H.P. Heater-6 (SV-18)

Safety valve on L.P. Heaters-1, 2 & 3 (SV-20 & 21)

Relief valve on gland steam condenser (SV-26)

Servicing of quick closing hydraulic servo drive non return valve Nb-600mm (ES-14)

Servicing of quick closing hydraulic servo drive non return valve Nb-400mm (Es-11)

Servicing of quick closing hydraulic servo drive non return valve (ES-5) Nb-300mm

Servicing of quick closing hydraulic servo drive valves (ES-2) Nb-200mm

Servicing of self-action NRVs of Nb-300mm, 400mm and 600mm (ES-3, ES-12 & ES-15).

Servicing of self-action NRVs (BF-4, 5 & 6) of Boiler Feed Pump line of Nb-200mm

Servicing of electro hydraulically operated gland seal steam controller and leak of seal steam controller.

Servicing of self-actuating feed water group protection valves (FW-55,56) of H.P. Heaters of Nb-250mm and Np-250 Kg/cm².

Servicing of pneumatically operated recirculation Valves (BF-10,11,12) of BFP of Nb-100mm Np-250Kg/cm²

Servicing of pneumatically operated drip controller valves of H.P. Heaters of Nb (from 150mm to 200mm; HD-14, 20,23)

Servicing of electro hydraulically operated spray valve on combined individual spray water line to H. P. bypass valves (left & right) of Np-250 Kg/cm² (BF-49, BF-50, 51)

Servicing of Electro hydraulically operated H.P. Bypass valves

Servicing of solenoid-operated drain valves (DW 109 & 110) of Nb-25mm Np-250 Kg/cm².

Servicing of motorized extraction isolating valves (ES-13, 16) of Nb-600mm, 400mm

Servicing of motorized extraction steam isolating valves (ES-1, 4) of Nb-250mm

Servicing of motorized feed water isolating valves (BF—19, 20, 21, 22, 23 & 24) of Nb 300 mm and Np-250 Kg/cm².

Replacement of H.P. VALVES and oil line valves (motorized/hand operated) at different floors from 4 meter to 11 meter level size up to Nb 25mm

Replacement of H.P. VALVES and oil line valves (motorized/hand operated) at different floors from 4 meter To 11 meter level size above 25mm & up to 100mm

Servicing of motorized Feed water bypass valvesof BFP (BF-7A, 8A, 9A) and Feed water by pass valves of H. P. Heaters (BF-19A, 20A, 21A, 22A,23A and 24A)

Servicing of motorized angle drain valves and other drain valves located between 4 meter Level to 11 meter Level nominal bore may vary from 25mm to 300mm

Servicing of H. P. manual valves and NRVs located between 4 meter level to 11 meter level Nominal bore may vary from 25mm to 300mm.

Servicing of motorized feed water discharge valves of BFP (BF-7, 8, 9) of Nb-200mm and Np-250 Kg/cm².

LOW PRESSURE VALVES

Servicing of L. P. hand operated valves at different elevations 200-500mm.

Servicing of L.P. Hand operated valve at different elevations 25-150mm

Replacement of L. P. Valves (Flange type) at different floor 15-500mm

Servicing of hydraulic operated shut off for valve (CA-36) on vacuum breaker line.

Servicing of pneumatically operated L.P. Heater drip control valve 100-250mm

Servicing of L. P. motorized valves

Servicing of L. P. NRVs 100-300mm

HEAT EXCHANGERS LIKE L.P. HEATERS, EJECTORS, DRAIN COOLERS, TURBINE OIL COOLERS, H.P. HEATERS

Overhauling of L.P. Heaters

Overhauling of Main Ejectors

Overhauling of Drain Cooler

Overhauling and rectification of tube leakage from turbine oil coolers

Overhauling of Starting Ejectors

Overhauling of H. P. Heaters 5/6 and commissioning of Heaters from water and steam side.

M/S BIHAR CONSTRUCTION CO.

M/S S N ENTERPRISES