supply of bilee type) conforming to is:4762, featuring a worm-drive mechanism with a smooth inner band to prevent hose damage. the cl s shall have a nominal size of 25 mm (designed to ft an approximate range of 20?32 mm) and be manufactured from stainless steel for corrosion resistance. each unit must include a robust housing and a precision-threaded screw with a hexagonal sloted head for hightorque tghtening. the items must ensure a leak-proof, uniform 360? seal for use in highpressure pneumatc or hydraulic applicatons & board in the gangway area of coaches , supply of hose clamps (jubilee type) conforming to is:4762, featuring a worm-drive mechani sm with a smooth inner band to prevent hose damage. the clamps shall have a nominal size of 25 mm (des igned to ft an approximate range of 20?32 mm) and be manufactured from stainless steel for corrosion res stance. each unit must include a robust housing and a precision-threaded screw with a hexagonal sloted he ad for high​torque tghtening. the items must ensure a leak-proof, uniform 360? seal for use in high​pressure pneumatc or hydraulic applicatons. [ warranty period: 30 months after the date of delivery ] ] , supply of printed acrylic information board in the gangway area of coaches. (size 7 x 9 thic kness of sheet shall be not less than 3mm). printing material will be provided by the railway. [ warranty period: 30 months after the date of delivery ] ]