Masters Process Equipment
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Ringfeder Couplings
Featuring Original Ringfeder® keyless locking devices,
Couplings, Torque limiters and Power Transmission Accessories
Ringfeder Corporation is the market leader in keyless shaft/hub connections in North and South America.

The original Ringfeder® keyless locking devices in Inch sizes from 1/4" to 40" shafts
and Metric sizes from 6mm to 1000mm shafts.

Manufactured to exact quality standards for over 80 years.