Tender For supply of calibration pressure,calibr vacuum gauge,calibration pressure switch,calibr pressure transmitter,calibr temp gauge,temp switch 0 to 200 degc,testing of srv on pressure vessel,testing of 4 port srv as per rule18, smpv rules,calibration of tsv,tstg and calib of torque wrench,calibr elcometer,calibration luxmeter,load testg per harness belt,testing of srv of sumo cylinder,calibration compound gauge
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 temperatureindicators 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.