(3) The flexible three piece coupling use an EPDM or a neoprene sleeve and carbon steel flanges. The need for lubrication and maintenance is eliminated, providing quiet, clean, and reliable performance.
(2) The double loop coupling uses a molded plastic element permanently swayed to steel for a compact design along with exceptional flexibility. The coupling works without any friction, wear, or noise.
(4) Thrush’s Barrel Spring Coupling is constructed of non-corrosive aluminum ends and heavy high carbon spring wire, oil tempered to control flexibility. The barrel spring coupling eliminates vibration and transmits power smoothly and quietly.