Clamshell seals are designed to seal the outer diameter of a tube or pipe. They come in a variety of shapes including rectangles, ovals, circles, cylinders, and squares. Clamshell seals are also made in varying thicknesses and measurements, with either a solid or hollow center to accommodate leak testing and sealing applications.

Cincinnati Test Systems offers clamshell seals in general purpose, premium, and medical (FDA approved) grades in durometers from 20 to 90D shore. We only use durable urethane material to provide a long-lasting, reliable seal in normal and challenging operating conditions.
Our inventory includes clamshell seals in various configurations and diameters, and we can create customized seals upon request. Select from the clamshell seals below to request a quote or contact us to discuss your unique sealing requirements.