Detailed Product Description Name: Speed Governor Tension Force: 500N Number Of Drawing: PB73.3-A(B) Rated Speed: 0.25-2.5ms Diameter Of Wire Rope: 8, 6mm Sheave Diameter: 240mm Lift Elevator Speed Governor , 0.25-2.5ms PB73.3-A(B) Elevator Rope Governor Elevator Speed Governorelevator governorlift overspeed governorelevator speed limiterRated Speed: 0.25-2.5ms Lift Elevator Speed Governor , Elevator Speed Limiter , PB73.3-A(B) Name: Speed Governor(suitable for up rope gripper) Number Of Drawing: PB73.3-A(B) Technical parameters 1.Rated Speed: 0.25-2.5ms 2.Tension force:500N 3.Diameter of wire rope: 8, 6mm 4.Sheave diameter: 240mm A 325 365 405 425 445 485 525 B 0-65.