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Sight Windows
The Gulf Coast Glass Weldable oval Sight Glass is designed to provide a clear and reliable view of the internal processes within industrial tanks and vessels. This sight glass is engineered for durability and efficiency, making it an essential component for industries requiring real-time monitoring of liquid levels, temperatures, and other critical factors.
Oval Tank Sight Glass - Overview The Gulf Coast Glass Weldable oval Sight Glass is ideal for use in various industries, including chemical processing, oil and gas, pharmaceuticals, food and beverage, and more. It allows for the continuous observation of processes where safety and precision are paramount.
Ease of Installation
The ZW15 is designed for quick and simple installation, minimizing downtime and labor costs during setup. Its intuitive design ensures even complex installations can be completed efficiently.
Aesthetic Design
The screws are placed on the upper flange, giving the ZW15 a sleek and professional appearance. This makes it an ideal choice for installations where visual appeal is important.
Customizable Options
While the ZW15 comes in standard sizes, it can be customized to meet specific project needs, including adjustments in metal thickness, glass type, and gasket materials.
Cost-Effective Solution
The ZW15 offers a reliable and durable sight glass at a competitive price, making it a great option for industries aiming to balance performance and cost-efficiency.
Durable Construction
Constructed from high-quality materials like carbon steel or stainless steel, the ZW30 is resistant to corrosion and wear, ensuring long-lasting performance even in challenging environments.
Versatility
Suitable for a broad range of industrial applications, from chemical processing to food and beverage production, the ZW15 can adapt to various operating conditions and requirements.
Optional LED Lighting
For installations in low-light environments, the ZW15 can be equipped with an optional LED light, enhancing visibility and safety. The light is protected by a polycarbonate layer to prevent damage from potential explosions inside the tank.

| Item | Part name | Material options |
|---|---|---|
| 1 | Allen Bolts |
|
| 2 | Cover Flange |
|
| 5 | Gasket |
|
| 4 | Sight Glass |
|
| 7 | Weld Pad |
|

| Part ID | Visible dimensions (internal) E × H | Weldable dimensions (external) F × B | Flange thickness C × D |
|---|---|---|---|
| ZW15-CO-200X5020 | 0 x 5027 | 0 x 1201 | 5 x 25 |
| ZW15-CO-270X5027 | 0 x 5034 | 0 x 1201 | 5 x 25 |
| ZW15-CO-340X5034 | 0 x 5041 | 0 x 1201 | 5 x 25 |
| ZW15-CO-410X5041 | 0 x 5048 | 0 x 1201 | 5 x 25 |
| ZW15-CO-480X5048 | 0 x 5055 | 0 x 1201 | 5 x 25 |
| ZW15-CO-550X5055 | 0 x 5062 | 0 x 1201 | 5 x 25 |
| ZW15-CO-620X5062 | 0 x 5069 | 0 x 1201 | 5 x 25 |
| ZW15-CO-690X5069 | 0 x 5076 | 0 x 1201 | 5 x 25 |
| ZW15-CO-200X3020 | 0 x 3027 | 0 x 1001 | 5 x 25 |
| ZW15-CO-270X3027 | 0 x 3034 | 0 x 1001 | 5 x 25 |
| ZW15-CO-340X3034 | 0 x 3041 | 0 x 1001 | 5 x 25 |
| ZW15-CO-410X3041 | 0 x 3048 | 0 x 1001 | 5 x 25 |
| ZW15-CO-480X3048 | 0 x 3055 | 0 x 1001 | 5 x 25 |
| ZW15-CO-550X3055 | 0 x 3062 | 0 x 1001 | 5 x 25 |
| ZW15-CO-620X3062 | 0 x 3069 | 0 x 1001 | 5 x 25 |
| ZW15-CO-690X3069 | 0 x 3076 | 0 x 1001 | 5 x 25 |
| Part ID | Visible dimensions (internal) E × H | Weldable dimensions (external) F × B | Flange thickness C × D |
|---|---|---|---|
| ZW15-CO-200X3020 | 0 x 3027 | 0 x 1001 | 5 x 25 |
| ZW15-CO-270X3027 | 0 x 3034 | 0 x 1001 | 5 x 25 |
| ZW15-CO-340X3034 | 0 x 3041 | 0 x 1001 | 5 x 25 |
| ZW15-CO-410X3041 | 0 x 3048 | 0 x 1001 | 5 x 25 |
| ZW15-CO-480X3048 | 0 x 3055 | 0 x 1001 | 5 x 25 |
| ZW15-CO-550X3055 | 0 x 3062 | 0 x 1001 | 5 x 25 |
| ZW15-CO-620X3062 | 0 x 3069 | 0 x 1001 | 5 x 25 |
| ZW15-CO-690X3069 | 0 x 3076 | 0 x 1001 | 5 x 25 |
For more information about this and other products, including our Oval Tank Sight Glasses, we invite you to visit our contact page. Our team at Gulf Coast Glass is ready to assist you with tailored solutions for your process equipment needs.
Talk to our team
Contact us with your application details — pressure, media, and connections — and we will help you specify the right sight glass.