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Pyrex Viewports |   Pyrex Viewports 


Atlas Pyrex glass viewports are mounted on aluminum hardware and designed for welding directly into high vacuum aluminum chamber walls. Our viewports are lightweight and an economical alternative to comparable stainless steel solutions. The glass substrate is captured between two elastomer O-rings. One gasket provides a vacuum seal, while the other acts as a cushion to prevent direct glass-to-metal contact. Other standard sizes are available on request. Atlas also produces customized polycarbonate port covers of various sizes and shapes. Contact our sales department for more information.