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Blast Gate Observation Port Flanged to Flanged In Stock

Item Name: Flanged Blast Gate Observation Port
Description:

For Low Pressure Applications Only! (5 PSI or Less)

SAF Industrial Viewports are available in 3″ or 4″ pipe sizes and mount to a mating flange, with viewing components housed in an NPT threaded body half. The stainless steel slide arrangement in the blast gate provides added protection and extends the life of the lens during operation, allowing for safer maintenance during vessel downtime.

For additional cooling, a purge connection can be added, positioned on either the glass or vessel side of the blast gate housing. The standard purge is located at the 3 o’clock position, with alternative placements available upon request.

 

Standard Glass Options:

  • Quartz Clear (Designated by a "Q" in the model number):
    • Maximum intermittent operating temperature: 2048°F
    • Maximum continuous operating temperature: 1600°F (Glass Only)
  • Pyrex Clear (Borosilicate Glass, designated by a "P" in the model number):
    • Maximum intermittent operating temperature: 554°F
    • Maximum continuous operating temperature: 446°F (Glass Only)
    • Heat strengthened for safety and coated with a heat-reflecting shield

Custom lenses are available upon request.

Shipping Time: 3-5 Business Days
Flanged Blast Gate Observation Port Diagram
Item # Pipe
Size
Viewing
Area
A B C D E F G Bolt
Size
Bolt
Circle
PSI
Rating
Pyrex Glass
Quartz Glass
 
4FBGOP 4" 3-9/16" Dia. 15-1/4" 4-1/4" 4-9/16" 5-5/16" 5-3/4" 9" 4-1/4" 5/8" 8 on 7-1/2" 5 Add to RFQ
6FBGOP 6" 5-9/16" Dia. 23" 4-3/4" 5-1/16" 5-13/16" 9" 11" 6-1/4" 3/4" 8 on 9-1/2" 5 Add to RFQ
8FBGOP 8" 7-9/16" Dia. 28-1/2" 5-1/8" 5-7/16" 6-3/16" 11" 13-1/2" 8-1/4" 3/4" 8 on 11-3/4" 5 Add to RFQ
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