S-Flex Couplings
 The simple design of the S-Flex Coupling ensures ease of assembly and reliable performance. No special tools are needed for installation or removal. The S-Flex Coupling design is comprised of three parts. Two flanges with internal teeth engage an elastomeric flexible sleeve with external teeth. Each flange is attached to the respective shaft of the driver and driven and torque is transmitted across the flanges through the sleeve. Misalignment and torsional shock loads are absorbed by shear deflection in the sleeve. The shear characteristic of the S-Flex Coupling is very well suited to absorb impact loads.
Features and Benefits
• Easy to install
• Maintenance Free
• No lubrication needed
• Dampens vibration and controls shock
• Torsionally soft
• Double engagement
• Misalignment and torsional shock loads are absored by shear deflection in the sleeve
• Well suited to absorb impact loads
• 13 sizes available with torque capabilities that range from 60 in-lbs to 72,480 in-lbs Applications That Best Fit S-Flex Couplings
• Compressors
• Conveyors
• Converting Machines
• Pumps
• Screens
• Mixers
• Dredges
• Crushers
• Cranes and Hoists Available Styles
The S-Flex coupling from Lovejoy offers combinations of flanges and sleeves which can be assembled to suit your specific application. Thirteen sizes are available with torque capabilities that range from 60 in-lbs to 72,480 in-lbs.
Sleeves Materials Available
Lovejoy offers flexible sleeves for S-Flex Couplings in three designs:
• One Piece Solid
• One Piece Split
• Two Piece with Retaining Ring
The one piece solid design provides solutions for applications with unique requirements where small shaft separations inhibit the installation of a one piece sleeve.
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