supply of set of compressed high pressure fiber joint gasket , set of compressed high pressure asbestos fibre joint gasket consists of two items for ce ntrifugal dust collector (cdc) for bg ac emu as per is 2712 (grade - o/1) with dimensions (1). id=148 mm, od= 215mm, thickness =3 mm, pcd=183 mm & hole dia = 12mm (6 no. of holes at equal dista nce) - 1 no./set (2). id=148mm, od= 215mm, thickness =3 mm, pcd=183 mm & hole dia = 12mm (8 nos. of holes at equal distance) - 1 no./set [ 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 ] ]