Lo-Rez steel-spring couplings having low torsional stiffness continue to be in demand for difficult applications such as reciprocating gas compressor drive systems, where unacceptably high stresses can occur in either the compressor crankshaft or driving rotor shafts. Lo-Rez supplies steel-spring couplings rated from a few hundred to many thousands of horsepower such as the one shown below, destined for hydrogen compression service at a refinery in South-East Asia. 7799 Berg Rd #114, Delta, BC V4G 0A5, Canada 604-879-2974 [email protected] https://lo-rez.com/ read full review »