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Sight Windows
Flanged sight glasses for tanks allow for a total view of the inside of a process. Depending on the fluid temperature and pressure to work with, a recommendation can be made on the best material of manufacture, types of crystals and types of gaskets.
Gulf Coast Glass flanged sight windows consist of three parts: the flange on the tank, the bottom flange, and the cover flange. The bottom flange, which is not welded, is designed with the same dimensions as a standard flange but adapted to accommodate bolts and glass. The cover flange maximizes the viewing area. Installation is simple, as the bottom flange is bolted directly to the tank’s flange, creating a “sandwich” assembly, hence the name "sandwich sight glasses."
Non-Welded Assembly for Easy Installation
This sight glass window eliminates the need for welding, making installation straightforward. The bottom flange bolts directly to the tank’s existing flange, creating a secure “sandwich” assembly. This feature greatly simplifies maintenance and replacement, as it avoids the complexities and safety concerns associated with welding on-site, reducing installation time and labor costs.
Customization Flexibility in Size and Material
The sight glass can be manufactured to fit any flange size and is adaptable to a wide range of materials, including stainless steel, carbon steel, or special alloys that match the existing tank flange. This adaptability ensures that the sight glass can be tailored to specific operational needs, including corrosive environments or sanitary applications, making it a versatile solution for various industries.
Virtually Unlimited Pressure Resistance
The pressure resistance of the sight glass assembly is largely dictated by the selected flange and glass specifications. By choosing a higher pressure-rated flange and increasing the glass thickness, the assembly can be configured to withstand extremely high pressures. This modular approach allows the sight glass to be used in demanding applications where pressure limitations would typically pose a constraint, ensuring safety and durability in harsh operating conditions.
| Item | Part name | Material options |
|---|---|---|
| 1 | Allen Bolts |
|
| 2 | Flanges |
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| 3 | Gasket |
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| 4 | Sight Glass |
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| ID | 3" | 7.5" | 2" | 4" | 9" | 2" | 5" |
|---|---|---|---|---|---|---|---|
| A (Visible Diameter) | 3" (76.20 mm) | 7.5" (190.50 mm) | 2" (50.80 mm) | 4" (101.6 mm) | 9" (230.00 mm) | 2" (50.80 mm) | 5" (127.00 mm) |
| B (Total Diameter) | 10" (255.00 mm) | 2.5" (63.50 mm) | 6" (152.40 mm) | 11" (280.00 mm) | 3" (76.20 mm) | 8" (203.20 mm) | 13.5" (345.00 mm) |
| C (Minimum Thickness) | 3.5" (88.90 mm) | 10" (254.00 mm) | 16" (405.00 mm) | 3.5" (88.90 mm) | 12" (304.80 mm) | 19" (485.00 mm) | 3.5" (88.90 mm) |
Talk to our team
Contact us with your application details — pressure, media, and connections — and we will help you specify the right sight glass.