Ringfeder Flexible Couplings Nor-mex TNM EBT are resilient coupling that balances angular misalignment, radial, and axial displacement. This coupling transmits torque through resilient buffers, which are pressure-loaded with Pb and connected together as an intermediate ring. The intermediate resilient ring buffers impacts and torsional vibrations. The coupling is sealed against oil and electrically conductive.

Dai Hong Phat Corp Transmission Shaft Couplings is the authorized distributors, the provider of brands of Ringfeder Germany in Vietnam, Laos, Cambodia, Philippines and Bangladesh.