Shaft couplings
Our high-quality shaft couplings – with a proven track record in mechanical and plant engineering – are the key to creating flexible, rigid and torsionally rigid shaft connections that meet a multitude of requirements.
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Gear Couplings
MAINA has been manufacturing gear couplings of all types and dimensions for over sixty years.
TNF 5571-B
Version B contains shrink discs that are pushed onto the flange hub and then tightened with screws from inside the flange hub.
TNF 5571-A
Version A contains standard shrink discs. These are pushed fully onto the flange hub.
TNC TKVO
The RINGFEDER TNK TKVO is a highly rigid barrel coupling, with both the hub and the housing made from high-strength material.
TNZ ZCH
The RINGFEDER TNZ ZCH is a coupling unit that consists of a one-piece casing with O-ring supports on both sides.
TNZ ZCAZ and ZCBZ
The RINGFEDER TNZ ZCAZ is supplemented by a spacer, which is installed between the casings of a TNZ ZCA with the aid of fitted bolts.
TNZ ZCAF and ZCBF
The RINGFEDER TNZ ZCAF type is constructed from the coupling halves of the TNZ ZCA, which are supplemented with an intermediate shaft and two rigid counter flanges.
TNZ ZCAV and ZCBV
Version for vertical installation
ECT 6418
The ECT 6418 curved tooth gear coupling is available in two different hub versions.