The Tate-Jones Hi-Temp Peep Sights have standard NPT male pipe threads.
The housing of the units is available in stainless steel or carbon steel with nickel plating.
Each unit is carefully assembled with a quartz lens and grafoil gaskets. (Blue Vycor lenses are available upon request, please contact sales@tate-jones.com or call us for details).
The quartz lens is suited for a maximum intermittent operating temperature of 2048°F and continuous operating temperature of 1600°F, and allows for optical pyrometer checking of the flame or operation of vessel.
The lens can easily be removed for cleaning or replacement.
Standard stocked units range in size from 1/2″ to 2″. Custom sizes 2-1/2″, 6″ by special order.
Operating environment and temperature should be considered when ordering.
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Glass Options |
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Type |
Thickness |
Maximum Intermittent Temperature |
Maximum Continuous Temperature |
Code Letter |
| Quartz Clear | 1/4″ | 2048 ° F / 1120 ° C | 1600 ° F / 871 ° C | Q |
| Vycor Blue (limited) | 1/4″ | 2192 °F / 1200 °C | 1652 °F / 900 °C |
VB |