The flexing action of the elastomeric sleeve and
the locking feature of the mating teeth allows the S-Flex coupling
to effectively handle angular misalignment up to 1 degree.111111111111111111111
S-Flex coupling effectively dampen torsional shock
and vibration to protect connected equipment. The EPDM and Neoprene
sleeves have torsional wind-up flexibility of 15 degree at their rated
torque. hytrel provides 7 degree wind-up.