supply of axial fan suitable for working on 110v ac 50 hz supply.axial fan suitable for working on 110v ac 50 hz supply.,axial fan suitable for working on 110v ac 50 hz supply. the fan shall meet t he following requirement: (a) air volume 325 cmh (free air delivery) (b) power input: 41 watts (c) voltage 110v ac (d) frequency: 50 hz (e) class of insulation : class b (f) noise le vel 50 db (max) (g) material (i) body-die cast aluminimum (ii) blade sheet steel/glass fitte d polycarbonate with ul 94 with v0 rating (h) finish : electrostatically varnish (black) ( i) overall dimension of the fan shall be as per icf drg no icf/sk-7-6-177 alt-nil (j) perfor mace test will be carried out as per is: 3588 (latest) [ 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 ] ]