supply of set of flame retardant and quick release coupling hose assembly for 6500 kva 3 phase loco transformerset of flame retardant and quick release coupling hose assembly for 6500 kva 3 phase loco transformer,set of flame retardant and quick release coupling hose assembly for 6500 kva 3 phase l oco transformer, set consists of 07 items in 09 nos. as per sketch no-els/aq/wag-9/sk.no-0012, rev- 1. (1) flame retardant hose assly size 1/2 length- 3150mm (fitted with coupling). abb id no- 3ehp4 31215r0001. qty 02nos. (2) flame retardant hose assly size 1/2 length- 6500mm (fitted coupling) a bb id no- 3ehp431217r0001. qty 01 no. (3) quick release coupling type firg-1/2 (male & female). fo r hose of hose of abb id no- 431215r0001 qty-01 set. (4) adopter (male) for hose of abb id no-4312 15r0001 qty.01 no. (5) adopter (female)for hose of abb id no- 431215r0001- 01 no. (6) straight co upling (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 ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ] amm/elsd/rpm, sr tamil nadu 9.00 set