supply of set of flame retardant and quick release coupling hose assemblyset of flame retardant and quick release coupling hose assembly,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-3ehp431 215r0001. 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 hos e of hose of abb id no-431215r0001 qty-01 set. (4) adopter (male) for hose of abb id no-431215r00 01 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 ] ] => limited