The TEX-O-flex elastomer coupling do not need for lubrication.
The standard version consist of 3 parts: hub and claw-ring connected together and female part, all these 3 parts are realized in cast iron. In this version you can replace the flexible elements without disturbing the shaft alignment.
The more economic version D2 consist of two pieces.
The version DS with a spacer allows the dismantling of the driven centrifugal pump without shaft displacement.
Admitted operating temperature range from -30°C to +80°C