Tender For supply of outdoor type , plinth mounted, distribution transformer, minimum energy efficiency level 3 of rating 250 kva, 3-phase, 11kv/415-240v,50hz, oil immersed, non sealed type (transformer tank body and cover are bolted), copper wound, primary winding in delta and secondary winding in star (vector symbol- dyn11), onan cooled transformer, conforming to is 1180 (part1):2014 with amendment nos. 1,2,3,4 or latest, and supplied with all standard fittings mentioned in clause 20.1 of is 1180 (part 1) latest with condition that drain-cum-sampling valve. oil temperature indicator & winding temperature indicators will be provided as per clause 20.2 f) of is 1180 (part 1). terminal arrangement: the transformers shall be fitted on high voltage and low voltage sides bushing appropriate voltage and current ratings., low voltage side cable end box required . the high voltage bushings (3 nos.) shall conform to is/ iec 60137. the low voltage bushings (4 nos.) shall conform to is 7421. off-circuit tap changer (applicable for all ratings above 200 kva) for variation of hv voltage from +5% to -10% in steps of 2.5%. following has to be submitted by supplier along with supply of material: (i) type test report of transformer having same rating, make (& model if any) and design from nabl accredited lab as per is: 1180 (part 1) latest. (ii) routine test certificates as per is: 1180 (part 1) latest. (iii) special test certificates as per clause 21.4 sl. no. (a), (c), (d) & (e) of is:1180 (part 1) latest.
Tender For supply of electro hydraulic thruster for eot crane brake (avone make eotcrane).type:st-535, capacity-34 kg, cm-5, 0 .4 amp, 415v, 3ph, 50hz, u se only transformer oil salientfeatures,consists of hydraulic tank, electric motor, impeller, thruster rod, and oil seal.make/brandrolex or similar [ warranty period: 30 months after the date of delivery ]
Tender For corrigendum : supply of supply of spares for 70 mva areva make generator transformers : - oil circulating pump motor set , online moisture monitoring sensor , transformer m kiosk annun panel 12 point , transformer m kiosk annun panel 8 point , ct ratio 350by1acc class5p20 , ct ratio 350by1acc class 1by2 , ct ratio 350by1 acc class x , current transformer wtict2 , current transformer wtict1 , oti with 2-sets of contacts , 250mm dia magnetic oil level guage , temperature transducer pt-100 sensor , temperature transducer pt-100 for oti , flexible separator main tank conservator , silica gel breather main tank conservator , silica gel orange spherical type , globe valve- 15 bore , globe valve- 25 bore , gate valve- 50 bore , gate valve- 100 bore , gate valve- 25 bore , butterfly valve- 50 bore , butterfly valve80 bore , butterfly valve- 100 bore , non return valve- 100 bore , isolating valve , cooler drainpipe valve , under and over voltage , o-ring for valve 100 bore pipe , o-ring for valve 80 bore pipe , o-ring for valve 50 bore pipe , o-ring for valve 25 bore pipe , o-ring for valve 15 bore pipe , rubber cord 19 mm thickness , rubber cord 10 mm thickness , rubber cord 8 mm thickness
Tender For supply of sampling valve for transformer tank as per elw/bsl drg.no.elw/bsl/3/f91.054 [ warrantyperiod: 30 months after the date of delivery ]
Tender For completion of all civil works and electrical works, construction of drinking water system, completion of works in dormitories and septic tank, pipelines, new transformer to avoid power fluctuations etc., to dr.b.r.ambedkar, gurukulam at krishnaraopalem (v) of a.konduru (m) in ntr distirct