supply of set of flame retardant and quick release coupling hose assembly for 6500 kva 3 phase loco transformer, set consists of 07 items in 09 nos. as per sketch noe​ ls / aq / wag-9 / sk.no0​ 012, rev-1. ( 1 ) flame retardant hose assly size 1 / 2 length- 3150mm ( fitted with coupling ) . abb id no​3ehp431215r0001. qty 02nos. ( 2 ) flame retardant hose assly size 1 / 2 length​6500mm ( fitted coupling ) abb id no​3ehp431217r0001. qty 0 no. ( 3 ) quick release coupling type firg-1 / 2 ( male & female ) . for hose of hose of abb id no- 431215r0001 qty-01 set. ( 4 ) adopter ( male ) for hose of abb id no- 431215r0001 qty.01 no. ( 5 ) adopter ( female ) for hose of abb id no​431215r0001- 01 no. ( 6 ) straight coupling ( c-20-5 ) for hose of abb id no-431215r0001-1 no. ( 7 ) elbow union, abb id no-3ehp230119 p 0007- 02 nos [ warranty period: 30 months after the date of delivery ] amm / elsd / erode, sr tamil nadu 3.00 set => limited