High Temperature Viewports

Thoughtventions Unlimited, LLC is a world leader in custom high pressure, high temperature, high vacuum and low temperature viewports.

Until now sapphire viewports have been very expensive. As a result of long experience in custom viewports, Thoughtventions has developed proprietary bonding and sealing techniques that lower the cost and simplify the use of sapphire viewports.

Other sizes will be available in the future.

High Temperature Vacuum Viewports (2004)
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Sapphire viewports with all metal fittings; suitable for high vacuum and temperatures up to 700°C.

Cautions for Vacuum Viewports

• Viewports are NOT rated for internal pressure
• Viewports are fragile and must be handled and mounted with caution
• NEVER use a viewport that has been damaged
• Never scratch the window; a damaged window will probably break
• A damaged viewport may implode, causing severe damage to the vacuum pump

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Last updated: April 2018