Bids Are Invited For M3310206001n Pump,Submersible Type : Slurry Application Power Rating : 50Hp Rotational Speed : 1450 Rpm (+/-5%) Number Of Stages : Single Capacity : Duty Point : 160 M3/H @ 20 Mwc (Min) Additional Information : Min Submergence: , Murshidabad-West Bengal

Bids Are Invited For M3310206001N PUMP,SUBMERSIBLE TYPE : SLURRY APPLICATION POWER RATING : 50HP ROTATIONAL SPEED : 1450 RPM (+/-5%) NUMBER OF STAGES : SINGLE CAPACITY : DUTY POINT : 160 M3/H @ 20 MWC (MIN) ADDITIONAL INFORMATION : MIN SUBMERGENCE: 250 MM ADDITIONAL DATA:SUBERSIBLE WET TYPE,PORTABLE MONO BLOCK,NON CLOG DESIGN (1) MINIMUM SUBMERGENCE:350MM (2) TYPE OF IMPELLER:SEMI OPEN/CLOSED (3) TYPE OF VOLUTE:TWIN VOLUTE (4) INSTALLATION:VERTICAL (5) LIQUID DATA: (A) CONTAMINATED RAW WATER WITH SILT,MUD,COAL ASH ETC. (B) SOLID CONCENTRATION BY WEIGHT:65% (C) SPECIFIC GRAVITY:1.6 (D) PARTICLE SIZE:UPTO 32MM (E) TEMPERATURE:50 DEG C (6) ACCESSORIES TO BE SUPPLIED: (A) SUCTION STRAINER:AS PER MANUFACTURERS STANDARD (B) DISCHARGE HOSE:30M HEAVY DUTY FLEXIBLE,ABRASION RESISTANT DELIVERY HOSE SINGLE BRAIDED IN STEEL,SYNTHETIC TEXTILE FABRICS LAYERED RUBBER HOSE,SUITABLE FOR APPLICATION OF WATER BASED SLURRIES CONTAINING ABRASIVE SOLIDS,PN-10,BOTH END FLANGED OF 10M EACH ALONG WITH NUT AND BOLTS. (C) ADOPTERS FOR DISCHARGE FLANGE (7) PRIME MOVER: ELECTRICAL SUBMERSIBLE SQUIRREL CAGE INDUCTION VERTICAL CONTINUOUS S-1 DUTY MOTOR (DRY/OIL) AS PER IS 9283,360 DEG FORCED COOLING,PROTECTION IP-68. RATED VOLTAGE/FREQUENCY/PHASE–415V/50 HZ/3 PH METHOD OF STARTING–DOL/STAR-DELTA (8) CABLE:JOINT LESS CABLE 30 MTR LONG HEAVY DUTY DOUBLE SHEATHED SUBMERSIBLE ARMOURED COPPER CABLE. (9) CONTROL PANEL: THE CONTROL PANEL SHALL CONSIST OF STARTER,SWITCH,FUSE,MEASURING INSTRUMENTS AND FOLLOWING SAFETY FEATURES: (A) SINGLE PHASE PREVENTION (B) OVERLOAD RELAYS (C) MOISTURE SENSING UNIT FOR DETECTING INGRESS OF MOISTURE OR WATER INTO CHAMBER. (D) LIQUID LEVEL CONTROLLERS TO AVOID DRY RUNNING.TWO LEVEL CONTROLS HIGH TO START AND LOW TO STOP (E) UNDER VOLTAGE/REVERSE PHASING/THERMAL OVERLOAD (F) PHASE INDICATING LAMPS/LEDS AND PUMP RUN INDICATOR LIGHT. (10) DOCUMENTS TO BE SUBMITTED ALONG WITH SUPPLY: DATA SHEET,SECTIONAL DRAWING,PERFORMANCE CURVE MENTIONING HEAD,FLOW RATE,POWER AND EFFICIENCY.CIRCUIT DIAGRAM OF CONTROL PANEL PROTECTIONS,OM MANUAL ETC. (11) MATERIAL OF CONSTRUCTION: (A) VOLUTE:HI-CHROME (ABRASION RESISTANT IRON CASTING TYPE-3,IS:4771) OR PUMP HOUSING: CAST IRON ASTM A 536–NO 80-55-06 HARDNESS,PUMP HOUSING LINING:CAST IRON,HARD-IRON:ASTM-A 532-ALLOY III A (B) IMPELLER:HI-CHROME (ABRASION RESISTANT IRON CASTING TYPE-3,IS:4771) OR CAST IRON: HIGH CHROMIUM,HARDENED ASTM-A 532–ALLOY III A (C) PUMP SHAFT:SS410/SS431 (D) HARDWARE:STAINLESS STEEL (E) WEAR PLATE (AS APPLICABLE):HI-CHROME (ABRASION RESISTANT IRON CASTING TYPE-3, S:4771) (F) AGITATOR: HARDENED CHROME STEEL OR CAST IRON: HIGH CHROMIUM,HARDENED ASTM-A 532–ALLOY III A (G) O-RING SET & RUBBER PARTS- VITON RBR (IF APPLICABLE) Following terms and condition shall be applicable for the item: 1. PDI is applicable. 2. Acceptance shall be based on MDCC By RIO, visual inspection on receipt at NTPC stores. 3. The vendor should deploy Service engineer and assist in installation & commissioning of all pumps, with all protection & interlocks made through at site without any extra cost to NTPC as per communication from site Total Quantity : 2

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