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Tender For supply of mechanical engineering lab materials - mechanical engineering lab materials, serve motor drive kitinterface l293d motor driver ic with arduino to control direction of rotation of two dc motors), bldc motor kitbldc motor 1 nobldc motor drive -1noinbuilt volt and ammeter and rpm meterinbuilt power supplyinput 230v ac, lvdt trainer kit complete educational trainer for linear variable differential transformer (lvdt) displacement measurement. built-in ac excitation source and signal conditioning circuitry for lvdt operation. micrometer assembly for precise linear movement of the lvdt core. displacement range ~10 mm with clear front-panel adjustments for zero & calibration. digital display (typically 3 -digit) for direct readout of conditioned output/displacement values. test points and banana sockets for signal observation on external instruments. self-contained unit in a durable enclosure with labeled controls and educational layout. includes user manual and patch cords for experiments. operates on 230 v ac, 50 hz mains supply., multi-cylinder petrolphase : single phase load: mechanical load with ropenumber of cylinders : 4displacement : rope brakepower : 65hp,4000 rpm,1396 ccbrand material : mild steelengine type : 4 stroke self startfrequency : 15hzfuel consumption : petrolfuel tank capacity : 5 letermorh s test rig, tail stock assemblyheavy-duty lathe tailstock assembly for training; cast iron body with base, barrel (quill) ~50 75 mm stroke, hand wheel feed, dead centre mt2/mt3, set over screws for taper turning, spindle clamp, complete with all internal parts for dismantling and reassembly; suitable for 300 400 mm centre height training lathe., dc motorvoltage 220-440 v dcpower - 180 w speed - 200 rpm, hydraulic cylinderdouble acting hydraulic cylinder, bore 40 50 mm, stroke 200 300 mm, working pressure up to 100 160 bar, steel tube with honed bore, hard chromed piston rod, front & rear end caps, piston with seals and wear rings. supplied as standalone unit with suitable mounting for dismantling, inspection and reassembly., hydraulic opreated directional control valve (dcv)manually operated 3/2 or 4/2 way spool type hydraulic directional control valve, nominal size ng06 (cetop 3) or equivalent, rated pressure 210 bar, flow 20 40 lpm; valve body with hardened and ground spool, centering springs, ports p a b t clearly marked. supplied on small mounting plate for dismantling, inspection and assembly practice., bearing with shaft assemblyteaching unit with shaft 25 35 mm dia mounted in housing with deep groove ball bearings (6205 / 6206 class) at both ends; includes locking arrangements (circlips, lock nuts, covers). designed for repeated removal, cleaning, lubrication and refitting of bearings, with provision to mount on bench or test rig., coupling unit using driving and driven shaft plumber block bearing unit1. the plummer block housingmaterial: cast iron (grade fg 200 or equivalent). type: sng or snl series (split-type housing).sealing: felt seals or v-ring seals (to demonstrate lubrication retention).lubrication: provided with a grease nipple at the top center for manual lubrication practice.2. the bearingtype: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series).bore diameter: standard 25mm or 30 mm (ideal for lab scale).mounting: adapter sleeve mounting (h-series) to teach students how to lock a bearing onto a smooth shaft.3. shafting and couplingshaft material: ground carbon steel (en8 or en9) for high surface finish.coupling type: * flexible coupling: to demonstrate the bearings ability to handle slight misalignment.rigid flange coupling: to demonstrate traditional direct connection.driving/driven setup: one shaft connected to a small electric motor (driving) and the other to a brake drum or load (driven)., spring test machine load & displacement sensing load cel * capacity: 0 10 kno accuracy: 1% fs (better if 0.5% fs) displacement sensor * lvdt / digital encodero accur
Tender For supply of eee lab items - furniture, 5hp/3.75kw/415v1500rpm three phase(3 )synchronous motor with starting / loading arrangement and with work bench voltage:415v ac/220v dc for field excitation make: benn rating: 5hp/ 3.75kw speed:1500rpm no of poles : 4 synchronous starter dc excitation field current :0.8a digital voltmeter ac(0-500v) moving iron type:01qty digital ammeter ac(0-20a) moving iron type :01qty digital ammeter dc(0-2a) moving coil type :01qty digital power factor meter 600v/10a :01qty 3pole mcb/dc mcb with 20a fuse carrier and supply indicators (three pin plug socket should also be provided) :03qty digital rpm indicator with proximity sensor: 01qty banana connectors for motor/starter/supply outputs :01qty control panel (hylem sheet(5*1.5feet) with ms panel) :01 work bench spec: size: 4feet*3feet*2 1/2 feet height leg teak wood with top 3/4" inch plywood 18mm plywood withone mica sheet for finishing front side cupboard with door open and closed type back side wiring box with door open and closed type, performance of ultrasonic and moisture sensors(5v dc/15ma(40khz/digital output) arduino uno: microcontroller-atmega328p on-board digital sensor components two push button switches and dour leds buck converter and relay for 5v and potentiometer-one each 2x16 liquid crystal oscillator(lcd) and mini bread-one each onboard digital sensor modules: ultrasonic sensor module(3cm-100cm) and soil moisture sensor -one each all sensor modules should be mounted on legend size pcb, speed control of ac motor using variable frequency drive(vfd) (0.5hp/415ac/5a(3 )) variable frequency driver (vfd) unit: input voltage:single phase, 230v ac +-10%, 50hz output voltage : three phase output frequency range: 0 to 60hz suitable for 0.75kw motor output current 4.2a vf pattern of spwm control 2pole mcb for on/off control of mains ac voltmeter, ammeter and speed indicator should be provided external stop/start and frequency control should be provided output terminals should be provided and must be brought out in front panel experimental board should be housed in a cabinet with suitable cover three phase induction motor motor type:squirrel cage |rating:0.5hp voltage rating :415v ac speed :1440rpm+-5% insulation : class b/f
Tender For corrigendum : providing t and p items and garden tools for ward no. 171 (cr park) south zone - providing t & p items and garden tools for ward no. 171 (cr park) south zone., supply of telescopic pole pruner:-specification:-pole length including blade: 6.5mblade material: hardened & tempered high carbon steel. the head of the blade shall have a hooked tip useful for cutting twigssaw blade shape: hooked type curved sawblade type & no of cutting teeth: tripple grounded 86 teeth blade length: 15"-16"pole type: light weight telescopic tubular aluminum alloy extendable poleno of positions for pole heightadjustment: 10 positionslocking mechanism: ergonomicvally designed two way locking mechanismtotal working length: max 219"(6623 mm), mln 103" (3103mm) branch cuttingcapacity: 200mm max, petrol operated brush cutterengine: single cylinder, 2 stroke, aircooled onlyengine displacement: 40.2ccpower output: 2kw/2.7hpmax output shaft speed at cuttingattachment: should be minimum 9000 rpmcarburetor: diaphragm with compensator technology.fuel tank capacity: minimum 600 ml.weight(dry, without cutting attachment & deflector): should not be more than 7.5 kgclutch: centrifugal type, clutch shoe support base & lining metal only.multi function handle: should have acceleration, on/off switch at right handle.brushcutter harness: should be double shoulder harness only.anti vibration system: must have 4- point aniti vibration system.vibration level in m/s2 at right handle: should not be more than 2.5 m/s2sound pressure level db(a): should not be more than 105 db(a)drive shaft design: must have drive shaft ends square design type only.certification: must have valid en certification, telescopic petrol operatedpole prunerengine: single cylinder, 2 stroke, air cooled onlydisplacement: should be between 25-30 ccpower output: should be minimum 1.2 hpweight (dry without cutting attachment & fuel): should not be more than 7.5 kgfuel tank capacity (ml): should be minimum 400mlchain oil capacity (ml): must have minimum 200 ml.clutch: clutch shoe linining should be metal only.guide bar length: minimum 30cmguide bar and chain: should have same manufacture onlychain type: every drive link need groove & small oil holes for better lubrication. saw chain pitch should be 1/4" or 3/8picco only and drive link thickness must have 1.1 mm or 1,3 mm.max. output shaft speed (rpm): should be minimum 8000 rpm at chain sprocket.equipment total length with guide bar and chain (cm): should be minimum 220 cm - compressed & total length of equipment -minimum 350 cm - extended.sound pressure level (db/a): should not be more than 95 db(a)vibration measurement m/s2 at control handle extended position: should not be more than 5.5 m/s2certification: must have tuv certification with test standard en iso 11680, supply of lawn mower:-specification:- type of machine walk behind lawn mowers power sourcepetrol engine engine displacement 224ccstart type recoil / pull startspeed control variable speeddrive type all wheel driveblade style rotary typeblade engagement electromagneticcut width (mm) 525 to 549minimum cut height 20 millimetermaximum cut height 80 millimeterblades hardened steelnumber of blades 1number of positions for cut height adjustment 6number of levers for cut heightadjustment: single levernumber of wheels 4front wheel size 203 millimeterrear wheel size 250 millimeterwheel tyres pneumaticif yes, grass catcher / collector / bag volume 70 liter"engine power rating (watt)" 4000 to 4999engine fuel tank capacity 1.4 ltr., supply of synthetic enamel paint in all shades as per required and direction of officer-in-charge., petrol operated chain sawengine : single cylinder, 2stroke, aircooled onlydisplacement: 45.4cc poweroutput: 2.3kw. 3.0 hpmax. engine speed (with guide bar & chain): at least 12500 rpmcarburetor: diaphragm type compensator technology.fuel tank capacity: should be minimum 450 ml.dry weight(without cutting attachment):should not be mor
Tender For corrigendum : providing of custom bid for services - epcm for retrofitting electric motor with geared variable speed drive for mab and wgc at fccu haldia refinery
Tender For supply of lab items for eee and mechanical - eee and mechanical lab items, single phase transformer rating: 1 kva, 50 hz input: 230 v ac output: 115 v ac type: air-cooled, single-phase step-down transformer properly insulated input and output terminals brought out for safe operation, three phase transformer type: three phase transformer rating: 3 kva input voltage: 415 v ac, 3-phase output voltage: 230 v ac, 3-phase frequency: 50 hz winding material: copper wound insulation class: class b or higher duty: continuous duty suitable for laboratory use bench/floormounted suitable for laboratory operation. all winding terminals shall be brought out to insulated terminals and enclosed within a protective outer cover for safe laboratory operation , on / off control of lamp using solid state relay kit type : solid state relay (ssr) trainer kit control/input voltage : 12 v / 24 v dc or up to 30 v dc output load voltage : 230 v ac, single phase load control : on/off control of ac lamp load solid state relay based switching circuit opto-isolated input control built-in ac lamp load manual on/off switching arrangement led indication for input and output status , mcb elcb trainer kit 1 phase/3 phase, 2/3/4 pole, 3a-16a single pole mcb 2-5amps two pole elcb 30ma lamp load single phase 5amps panel enclosure and terminal outlets , single phase induction motor kit for load test by speed control of vfd (variable frequency drive) 2 hp single phase 230v complete load test experimental setup(with brake drum/pulley) induction motor -1 no work bench setup with digital meter -1 no motor stand with ant vibration bush 1 set loading arrangement with spring balance non-vibrating brake arrangement with stand and electrical work bench , 3 phase induction motor kit three phase squirrel cage induction motor with rope brake arrangement non-vibrating brake arrangement with stand and electrical work bench three phase squirrel cage induction motor 5 hp, 440 v, 1440 rpm, foot mounted type, frame size 132 mm, core length 110 mm, mechanical rope loading set up with 1" screw rods 2 nos, 6" adjustable wheels 6" 2 nos, back support frame, 9" aluminium drum, 0 50 kg spring balances 2 nos , dc shunt motor kit for load test dc shunt motor rope brake arrangement non-vibrating brake arrangement with stand and electrical work bench d.c. shunt motor 5hp, 220v, 1500 rpm, foot mounted type, frame size 132 mm, core length 110 mm, field current 0.5a, armature current 11a, 4 pole with inter poles, mechanical rope loading set up with 1" screw rods 2 nos, 6" adjusting wheels 6" 2 nos, back support frame 9" aluminum drum, 0 50 kg spring balances 2 nos. , bldc motor kit with electrical work bench *36v 400w bldc pro motor 1 no inbuilt volt and ammeter and rpm meter inbuilt power supply input 230v ac
Tender For supply of equipment for mechanical engineering department - supply of equipment for mechanical engineering department, lathe machine :specification :bed: 2v & 2 flat, induction hardened and ground minimum bed length: 1375 mm bed width: 240 mm capacity: height of centre: 165 mm swing over bed: 320 mm swing over gap: 510 mm swing over cross slide: 180 mm distance between centres: 650 mm slides: cross slide travel: 200 mm compound slide travel: 115 mm spindle: spindle bore: 40 mm spindle nose: thread type, 62 mm spindle taper: mt-3 tail stock: quill diameter: 38.1 mm taper: mt-3 travel: 120 mm speed: no. of speeds: minimum 8 range: (40 800 )rpm threading: metric: (1 6 )mm (min 13 steps) english: (2 24 )tpi (min 19 steps) lead screw: (1 4) tpi electrical: motor: 1.5 hp, 230v/415v, 50 hz drive: v-belt structure: bed: close-grained cast iron (fg 260) gears: hardened steel base: rigid cast iron stand , open cup apparatus :specification :standard compliance: astm d92 / is 1448 (part 69) test method: open cup flash and fire point determination test cup: brass, precision machined with heat resistant handle heater: electric heater (1000 w 10% nickel chromium) with variable control heating rate: 5 6 c per minute (as per standard) temperature range: -6 to 400 c thermometer: astm 11c or equivalent flame applicator: gas test flame with fine control valvebody: stainless steel housing display: analog / digital temperature indicator power supply: 230v ac, 50 hz safety: overheat protection heat insulation , closed cup apparatus :specification :standard compliance: astm d93 / is 1448 (part 21) test cup:brass cup diameter: 50.7 50.8 mm capacity: minimum 70 ml stirring system heater: electric heater 650 w 10% heating rate: 1 12 c/min adjustable ignition: pilot flame with automatic shutter mechanism temperature measurement: thermometer or digital sensor(ip-28c or astm) display: digital temperature display power supply: 230v ac, 50 hz safety:over-temperature cut-off flame safety control , tail stock assembly :specification :medium-duty tailstock assembly for dismantling & assembly quill stroke: minimum 75 mm taper: mt-3 (preferred standard) feed: hand wheel operated features: set-over screws for taper turning spindle locking arrangement body: cast iron (fg 260) spindle: hardened steel, slip gauge :specification :set size: m87 (87 pieces) or equivalent range: 1.001 mm to 100 mm step sizes: 0.001 mm 0.005 mm 0.01 mm material: high-grade alloy steel / tungsten carbide (preferred) hardness: hrc 63 65 accuracy: grade: grade 1 or grade 2 flatne flatness / parallelism: 0.5 m stored in protective wooden boxes to prevent wear; calibration grades include charts for exact sizes , dc motor:specification :type: dc shunt motor (dismantling model) power: minimum 0.5 hp voltage: 220 v dc speed: 1500 rpm poles: 4 pole construction: laminated stator salient poles accessible armature features: cut section / open type suitable for dismantling and reassembly, hydraulic cylinder :specification :bore diameter: 50 mm stroke length: 250 mm working pressure: 160 bar cylinder tube: honed steel piston rod: hard chrome plated seals: standard industrial seals end caps: steel calibration grades include charts for exact sizes supply: mounted on training base suitable for dismantling and inspection , hydraulic operated directional control valves (dcv):specification :type: manual spool type dc valve configuration: 4/2 way size: ng06 (cetop 3) rated pressure: 210 bar flow capacity: 20 40 lpm body: hardened steel / cast steel spool: ground and hardened ports: clearly marked (p, a, b, t) supply: mounted on training plate suitable for dismantling and study , bearing with shaft assembly :specification :bore diameter: 50 mm stroke length: 250 mm working pressure: 160 bar cylinder tube: honed steel piston rod: hard chrome plated seals: standard industrial seals end caps: steelsupply:mounted on training base suitable for dismantling and inspection , coupling unit using driving and dr
Tender For purchase of lab equipments for eee dept - purchase of lab equipments for eee dept, single phase transformer.itemcode:b002 single phase transformer,rating: 1 kva, 50 hz, input: 230 v acoutput: 115 v ac,type: air-cooled, single-phase step-down transformer properly insulated input and output terminals brought out for safe operation)., acidity test kit itemcode:b005specifications:ethyl alcohol sodium carbonate solution universal indicator solution laboratory-grade test tubes droppers colour comparison chart for test result comparison chemicals supplied in labelled containers with safety instructions suitable for laboratory educational and testing applications, dc stepper motor drive kit with stepper motoritemcode:b010specifications:stepper motor : permanent magnet / hybrid type with suitable driver circuits. motor operating voltage : 12 24 v dc variable speed control forward and reverse direction control full step and half step operation manual / automatic pulse generation facility built-in regulated dc power supply led indication for phase sequence and status test points provided for waveform observation start / stop control switches to be provided overload and short circuit protection to be provided mounted on compact powder coated cabinet withprinted circuit diagram proper insulated terminals and interconnecting leads to be provided patch chords for interconnection, dc servo motor drive kit with servo motor itemcode:b011specifications:input supply : 230 v ac, 50 hz servo motor type : dc servo motor with feedback arrangement motor operating voltage : 12 24 v dc controller type : microcontroller based servo drive controller speed control : variable speed control to be provided position control : angular position control facility to be provided direction control : forward and reverse operation feedback device : encoder / potentiometer based feedback system built-in regulated dc power supply led indications for power and status test points to be provided for signal observation and analysis start / stop control switches provided overload and short circuit protection to be provided mounted on powder coated cabinet with printed circuit diagram proper insulated terminals and interconnecting leads to be provided, three phase resistive load itemcode:b013specifications:rating: 5.25 kw supply: 415 v ac, 3-phase, 50 hz total number of load steps: 6 main switch to be provided approximate dimensions: 18 18 22 inches (l b h) comprising special cement-insulated electrical load resistors mounted on powder-coated ms panel/enclosure individual on/off rotary switches for load selection mounted on rubber wheels/casters for portability suitable for laboratory load testing applications proper insulation, ventilation, and earthing arrangement to be provided, single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kit itemcode:b028specifications:type : single phase pwm inverter trainer power device : mosfet / igbt based inverter circuit input supply : 12 24 v dc output voltage : 30 v rms ac output phase : single phase output frequency : 0 50 hz variable output power : 100 w single pulse pwm operation sinusoidal pwm (spwm) operation variable frequency control pwm generation and firing control circuit inbuilt gate drivercircuit provided test points provided for waveform observation and analysis built-in resistive load provision, on / off control of lamp using solid state relay kit itemcode:b029specifications:type : solid state relay (ssr) trainer kit control/input voltage : 12 v / 24 v dc or up to 30 v dc output load voltage : 230 v ac, single phase load control : on/off control of ac lamp load solid state relay based switching circuit opto-isolated input control built-in ac lamp load manual on/off switching arrangement led indication for input and output status, speed control of ac motor using vfd drive module with ac motor itemcode:b030specifications:type : variable frequency drive (vfd) module input supply : 415 v ac, three phase, 50 hz o
Tender For supply, fitment, installation, commissioning and testing of electrical variable voltage variable frequency ac drive rating-15kw/11kw, 3-phase 380-480 vac 50/60 hz, dc power supply: 510-680 vdc (cimr- ad4a0031fma).nominal input current (nd):24 amp. nominal input current (hd): 31 amp. output power rating (nd):15kw.output power rating (hd):11kw.frequency control range: 0-400hz.motor power-15kw/11kw.emc filter class c2 integrated. braking of standstill by dc injection. salient features: operation mode selection ,dc injection braking and short circuit braking ,speed search ,delay timer, pid control ,dwellfunction ,energy saving, acceleration and deceleration times ,slip compensation, torque compensation ,carrier frequency, frequency upper/lower limit torque control ,jump frequency. main control functions: torque control , drop control speed/torque control switch, feed forward control, zero servo control, momentary power,loss ride- thru and speed search, over torque detection, torque limit. speed control range : v/f control 1:40, open loop vector control 1:200, open loop vector control for pm 1:20, closed loop vector control for pm 1:1500, v/f control with pg 1:40 ,closed loop vector control 1:1500, advanced open loop vector control for pm 1:100. output overload tolerance: nd rating: 120% of rated output current for 60s, hd rating: 150% of rated output current for 60 s (derating may be required for repetitive loads).protection design: ip00 open-chassis, ul type 1 enclosure. ambient temperature (open-chassis): 10 to +50 degree celsius. standard compliance: ul508c iec/en61800 iec/en61800-5-1 ,two safe disable inputs and 1edm output according to iso/en13849-1 cat.3 pld iec/en61508 sil2. make: yaskawa /schnieder /abb/siemens/mitshubishi/angel or similar. [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For purchase of equipments for materials testing lab for civil department - spring testing machineload & displacement sensing load cell capacity: 0 10 kn accuracy: 1% fs (better if 0.5%fs) displacement sensor lvdt / digital encoder accuracy: 0.5 mmmachine design frame: rigid steel frame with crosshead movement type: mechanical screw with hand wheel (simple & robust) or electromechanical actuator (for smoother, controlled motion) crosshead travel: ~150 200 mm safety guards: transparent shields around moving partsfixtures & accessoriesspring testing compression plates (ground & parallel) tension hooks / eyelets for extension springs set of spacers / adapters for small springs tensile testing standard tensile grips wedge or screw type calibration certificate for load cell standards complianceensure compliance with basic material test standards such as: astm e4 / iso 7500-1 calibration of force measurement astm e8 / iso 6892 tensile performance & accuracy load accuracy: 1% fs displacement accuracy: 0.5% repeatability: 0.5%, rockwell cum brinell hardness testing machine min initial test force :10kgf, total test force range : 60kgf,100kgf,150 kgf, max. height of specimen :215 mmmin distance from indenter center tomachine wall :132 mm accessories : steel ballpreferred indentor 1/16" preferred steel ball: 1/16"and with all standard accessories to run the machine, direct shear machinestandard compliance:the equipment shall confirm to bureau of indian standards is 2720 (part 13) and equivalent astm international astm d3080.technical specifications:shear box size: 60 mm 60 mm 25 mm specimen size (complete with grid plates, porous stones, and specimen cutter).normal load capacity:minimum 5 kn with loading yoke and calibrated loading hanger set.shear load capacity:minimum 2.5 kn or 5 kn with calibrated proving ring (with calibration certificate).rate of strain (shear displacement):variable speed drive with controlled displacement ranging from 0.01 mm/min to 1.25 mm/min (motorised model preferred for uniform rate control).displacement measurement:horizontal displacement dial gauge: 0.01 mm least countvertical displacement dial gauge: 0.002 mm or 0.01 mm least countloading frame:rigid, heavy-duty loading frame with corrosion-resistant finish.drive system:motorised with single phase 220 230 v, 50 hz power supply.accessories (to be supplied complete):shear box assembly, proving ring with calibration chart, two dial gaugesloading weights and hanger, porous stones (2 nos.), specimen cutter, tool kit, flow table test apparatusdimensions and specifications as per is 9103, table top made from flat metal plate, minimm thickness 1.5 mm. table top size: 700 mm 700 mm, with flatness tolerance of 1.5 mm. table top marked with: scribed cross at centre, lines parallel to table edges and central circle of 200 mm diameter underside of table top reinforced to prevent distortion. total mass of table top: 16 1 kg. table top, base frame front and upper stops provided as per is 9103. lower front edge fitted with two rigid stops to transfer load directly to base frame. base frame designed to transfer impact load directly to supporting surface, minimizing bounce. stop watch digital - 2 nos scale 1 mtr 2 nos mounting wooden platform 300 mm height amc for 3 years inclusive.