supply of complete set of drain valve for 3-phase loco main transformer, , complete set of drain valve for 3-phase loco main transformer, as per clws spec no. clw/es /3/0456 (pg. 26, item no. 17) & ref. drg. no. hstn003359p0001. one set consisting of 05 items as follows: (1) drain valve, qty: 01 nos. per set, (2) base plate gasket, qty: 01 nos. per set, (3) hex bolt, qty: 04 nos. p er set, (4) plain washer, qty: 04 nos. per set, (5) spring washer, qty: 04 nos. per set. (note: authorised deal ers of approved sources, should attach dealership certificate along with their offer). [ warranty period: 30 months after the date of delivery ] ]