SAF Viewports– units are for use in low-pressure applications (5 PSI) where 100% shutoff is not required. The Gate View Ports use the standard line of SAF Viewports gates as the primary component and incorporate a glass lens, gaskets and rings securely retained with metal bushings.
Available Glass Types
Vycor Blue – Designated by a “VB” in the model number. Maximum intermittent operating temperature is 2192°F. Maximum continuous operating temperature is 1652°F (Glass Only)*. A blue-colored heat-resisting borosilicate glass. (Limited – Discontinued)
Quartz Clear – Designated by a “Q” in the model number. Maximum intermittent operating temperature is 2048°F. Maximum continuous operating temperature is 1600°F (Glass Only)*.
Pyrex Clear – (borosilicate glass) Designated by a “P” in the model number. Maximum intermittent operating temperature is 554°F. Maximum continuous operating temperature is 446°F (Glass Only)* . Glass is heat strengthened for safety and is coated with a heat reflecting shield.