Couplings in Pump Applications


The Sure-Flex Plus couplings have new elastomeric sleeves providing higher performance and enhanced durability due to significant improvements in proprietary EPDM and Neoprene materials. Development testing confirmed that the new EPDM and Neoprene rubber sleeves enable a 30 % increase in the torque rating when compared to the previous generation sleeves. Sure-Flex Plus couplings provide torsional flexibility, while the 4-way flexing action absorbs virtually all types of

  • shock,
  • vibration,
  • misalignment and
  • end float.

The couplings feature 7° to 21° torsional wind-up (depending on sleeve material), torque ratings up to 8,20 kNm (72,480 in.lbs.), and fast and easy installation. Units require no lubrication and no maintenance.

“Over 50 % of common applications can specify a one-size-smaller coupling when using Sure-Flex Plus sleeves, reducing initial purchase cost as well as sleeve replacement cost. Additional savings are also realized from reduced maintenance requirements,” as a company information emphasizes.



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