This grade refers to the amount of weight the hinge can sustain. Grade = Weight. 7 = 40Kg, 11 = 80Kg, 12 = 100Kg, 13 = 120Kg, 14 = 160Kg.
A fire-resistance rating typically means the duration for which a passive fire protection system can withstand a standard fire resistance test.
This product has been declared by the manufacturer that it meets all essential requirements of the relevant European health, safety and environmental protection legislation.