Tender For supply of material code: w90311928870 unit oil purification system for sipat project , material code: w90311928889 oil purification system (central) for sipat project , supervision of erection & commissioning lump sum per man day charges at site, including every expens , supervision of erection & commissioning lump sum per visit charges (to & fro) including travelling t , performance test of particle size of impurities for lube oil (iso vg-46) as mentioned in sl. no. 5(a)
Tender For corrigendum : tender for supply of complete solenoid valve assembly for plc system 600 mw , limit switch for sh secondary control valve 600 mw , ss316 ball valve half inch npt f x half inch npt f 2 pc design test pressure 3000 psig body 2000 psig seat , complete power cylinder for upper dump gate and lower dump gate 100mm bore and 159mm stroke , complete power cylinder for equalizing gate 76point2mm bore and 50mm stroke
Tender For purchase of protection system spares for power house of parbati-ii hep - reb670 main-ii busbar protection relay , resisitor unit for rxmvb4 trip relay, rxtma , trip circuit supervision relay, tsr, coil voltage: 220v&110v dc, 2c/o, article no.: in 352 001-as , high speed trip relay, rxms1 , pushbutton module for trip relay, rxt - pb unit in5396 3001 -ac , test switch, rxtp18 , test pin , bistable relay rxmvb4 (rk251 403-ah)-pb2ph , numerical relay with 50,51,51n,27u,64r protection, ctr:- -5a, 3 di & 5do , static relay mvapm32d1aa2001a operating voltage vn 110v ac , dc supply monitoring relay - vaa11yf8752ca , aux relay,aux voltage 220-250v dc,2no+2nc,reverse flag,vaa11yf7752ca , two element aux. relay,s/r type, 2no+1nc with h/r operation indicator per element - vaa21zg0750ba , bistable relay - mvajm14jb1002a1 , bistable relay- mvajm14jb1004a1 , tripping relay,mvajm25la1004a,16 no+4 nc,h/r flag,burden high , tripping relay with s/r contacts - vajs23zg1000aba , aux voltage 110-125/220-250v dc,2no+2co,reverse flag,flush mount, model no: vax31zg0750ba , trip coil supervision,1no+2nc, s/r , h/r reverse operation indicator per element - vax21zg8045bch , no volt relay, voltage rating 63.5 v, 50 hz , voltage dropping resistor - 3.3 k ohms / 35 watt with base plate , metrosil resistor- s1088 , metrosil resistor - 1196 , stabilising resistor 0 to 1000 ohms , 20hz generator for 100% stator e/f protection relay , band pass filter with built in voltage divider for 100% stator e/f protection relay
Tender For ac drive 37kw/50hp. supply & testing of ac drive specification; 1.ac drive required to drive squirrel cage im:37kw/50hp, 3ph, 415vac, 50hz, 4pole/6pole, s4 duty for crane hoist/ lt, appli cation. 2.ac drive mains supply:3ph, 380-400vac 50hz. 3.ac drive o/p rating, high overload capacity :37kw 4.drive o/p rating, normal ol capacity:45kw 5.panel mounting type, protection:ip-20 6.drive t o work without encoder feedback system with suitable current feedback system for speed control with required braking chopper, rfi & emc filter. 7.drive with inbuilt protection system: drive overload, exc essive load, ground fault, heatsink over temp., motor over load, over speed limit, over voltage, under voltage, short circuit etc. 8.ac drive to work from digital inputs in, up/down or forward/reverse di rection & in jog, start, stop, speed-1, speed-2 & speed-3 modes. 9.drive with standard minimum; 6 digital i/ps, 2 digital o/ps, 2 analog i/ps, 1 analog o/p & 2 relay o/ps. 10.drive shall have hmi with t ouchpad key mounted to display various operating parameters in english. hmi with editing drive para meters & self-monitoring watch dog facility to display fault & alarm indications. 11.drive software pro gram for crane duty be supplied in soft copy. 12. cable to communicate between laptop & ac drive b e supplied & operating manual in hard copy. 13.joint inspection at rwf, rwf will make necessary cab le connections to the rated capacity im & ac drive. supplier has to test ac drive for rated capacity ind uction motor on the crane/equipment & tuned parameters in soft copy. 14.make:danfoss vlt autom ation drive fc-302 series or ab power flex 755 series or siemens s-120 series or abb acs-880-m04 s eries or yaskawa ga-700 series only. 15.while tendering, firm to mention; make,series & complete m odel no & attach technical catalogue of ac drive with tender offer. 16. warranty: 18 months from d.o .supply or 12 months from d.o.commissioning, whichever is earlier. [ warranty period: 18 months a fter the date of delivery ]
Tender For supply of automatic weather station , software with license , peripheral equipment , data terminal-display with printer , installation materials and accessories , system cables-cable assemblies-connector , on board spares , special tools and test equipment , documentation , service of engineer , training