• Housing Material: 316 Stainless
• Window Material: Optical fused quartz, sapphire available
• Temperature operating range: 0 Kelvin to 1000C
• Pressure safety factor: Minimum 1.25x
• Thermal shock resistance: Excellent
• Impact resistance: Good
• Leak Rate: Extremely low
• Chemical resistance: Excellent for solvents, most acids and many caustics. Not good with Fluorinated acids

All Rayotek ASME/ANSI sight window metal housings are CNC machined, not cast, to exacting standards. Metal and window materials for all of our sight windows are traceable and certified back to their raw material sources to insure the highest, repeatable quality and reliability.

For configuration and applications outside of the scope of this sight window page please see our Custom Sight Window page or contact Rayotek Sight Windows directly to speak with a representative or engineer.

316 Stainless Steel ASME/ANSI 150 housing with a fused quartz window:

For applications that involve exposing your sight window to extreme temperatures, thermal shock and chemically aggressive environments, Rayotek fused quartz gasket sealed windows will allow you to operate continuously to 900C in many chemically aggressive environments, and transients to 1000C. Please contact Rayotek Sight Window engineering team for more details for your application.

For higher temperature requirements up to 1900C, See our Custom Sight Window page.