Observation ports and sight windows are essential for safe and clear monitoring of internal conditions in boilers and industrial equipment. These products are designed to withstand high temperatures and pressures, making them suitable for a variety of applications. Circular sight glass windows, made from borosilicate or tempered glass, offer high optical clarity and resistance to thermal shock, making them ideal for high-pressure environments. Rectangular sight glass windows, also constructed from borosilicate or tempered glass, provide durability and excellent optical properties, making them suitable for high-temperature applications.
High-pressure sight glass assemblies, featuring tempered borosilicate glass with metal frames, are designed to endure extreme pressure conditions and offer high thermal resistance with secure sealing. Flame observation ports, made from cobalt blue borosilicate glass, reduce glare and enhance visibility of flames, smoke, and ash, making them perfect for power plants and marine boilers. Fused quartz sight glasses can withstand continuous use at temperatures up to 1742°F (950°C) and are available in both commercial and optical grades, suitable for high-temperature industrial and laboratory applications.
These observation ports and sight windows ensure safe monitoring, durability under harsh conditions, and clear optical properties. They are available in various shapes and sizes to fit different equipment and application requirements. Custom sizes and expedited shipping options are available upon request.
Items to be returned must be approved by Power Plus International, and may be subjected to a restocking fee
Notice: Due to the uncontrollable metal costs, all prices and delivery times are subject to change on a daily basis.
PPI™ and Power Plus International™, and related marks and logos displayed on the Site, are our trademarks and may not be used in any way without our prior express written permission. Nothing contained on the Site shall be construed as granting, by implication, estoppel or otherwise, any license or right to use any of our marks displayed on the Site without our prior express written permission. All other trademarks not owned by us that appear on this Site are the property of their respective owners.
*NOTE: The products described herein are not manufactured by Patterson-Kelley nor is Power Plus
International in any way associated or affiliated with "PK", Patterson-Kelley, or Harsco Corporation.
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