supply of complete set of drain valve for 3-phasecomplete set of drain valve for 3-phase,complete set of drain valve for 3-phase loco main transformer, as per clws spec no. clw/es/3/0456 (pg. 26, item n o. 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. per set, (4) plain washer, qty: 04 nos. per set, (5) spring washer, qty: 04 nos. per set. note: 1) transformer manufacturer or oem of transformer tank valves or thier authorised dealers only will be cons idered. supply by sources as per clw item id: 2100024 in ireps vendor directory. 2)firm should submit authorised dealership c ertificate along with tender otherwise offer will not be considered. [ warranty period: 30 months after the date of delivery ] ] => limited