Sure-Flex Couplings utilize a rubber (EPDM or Neoprene) or Hytrel™ thermoplastic flex element (sleeve) to transmit torque and accommodate shaft misalignment. Sure-Flex couplings have exceptional torsional flexibility, and the 4-way flexing action absorbs virtually all types of shock, vibration, misalignment, and end float. Sure-flex couplings are an excellent choice when low cost, high flexibility, vibration damping, and easy installation are primary concerns.
Quadra-Flex couplings have the same design and construction as Sure-Flex couplings. Hence both these couplings and the rubber elements can be interchanged with another.
Engineers may also be interested in other high performance couplings like Sure-Flex. More information can be found below: