01 / 03
Sight Windows
The Gulf Coast Glass ZW30 Weld-to-Tank Sight Glass is a high-performance solution designed for demanding industrial applications requiring enhanced durability and higher pressure ratings. Suitable for tanks operating up to 300 PSI, the ZW30 is engineered to provide clear, reliable visibility into tank processes while withstanding the rigors of more intensive environments. Its robust construction allows for greater torque application, making it ideal for use with metal-inserted gaskets.
The ZW30 is larger and thicker than its counterparts, offering superior strength and longevity. With options for customization, this model ensures precise alignment with specific project requirements, delivering both reliability and flexibility for industries where safety and performance are paramount. Weldable tank sight glasses 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.
High Pressure Capability
The ZW30 is designed to handle pressures up to 300 PSI, making it suitable for more demanding industrial applications.
Greater Torque Tolerance
The ZW30 can accommodate metal-inserted gaskets and allows for higher torque application, ensuring a tighter, more secure seal, especially in high-pressure environments.
Robust Construction
With a larger and thicker design compared to the ZW15, the ZW30 offers enhanced durability and longevity, even under harsh operating conditions.
Customization Flexibility
Like the ZW15, the ZW30 can be customized to meet specific project requirements, including adjustments to flange thickness, glass type, and gasket materials.
Versatile Application
The ZW30 is ideal for industries that require a robust, high-performance sight glass, such as chemical processing, oil and gas, and heavy manufacturing.
Optional LED Lighting
The ZW30 can be equipped with an optional LED light, enhancing visibility in lowlight conditions and providing added safety features. The protective polycarbonate layer ensures the light is shielded from potential damage.
Reliable Performance
The ZW30’s construction and design provide reliable and consistent performance, reducing the risk of leaks and ensuring safety in high-pressure applications.
| Item | Part name | Material options |
|---|---|---|
| 1 | Cover Flange |
|
| 2 | Weld Pad |
|
| 3 | Sight Glass (max temp) |
|
| 4 | Gaskets *(max temp) |
|
| 5 | Bolts |
|
| ZW30-2 | ZW30-3 | ZW30-4 | ZW30-5 | ZW30-6 | ZW30-7 | ZW30-8 | |
|---|---|---|---|---|---|---|---|
| Visible Diameter (A) | 2" | 3" | 4" | 5" | 6" | 7" | 8" |
| Total Diameter (B) | 5" | 6" | 7" | 8-1/2" | 10" | 11" | 13" |
| ZW30-2 | ZW30-3 | ZW30-4 | ZW30-5 | ZW30-6 | ZW30-7 | ZW30-8 | |
|---|---|---|---|---|---|---|---|
| Cover (H1) | 3/4" | 3/4" | 3/4" | 1" | 1-1/4" | 1-1/4" | 1-1/2" |
| Weld Pad (H2) | 1" | 1" | 1" | 1-1/4" | 1-1/2" | 1-1/4" | 1-1/2" |
| ZW30-2 | ZW30-3 | ZW30-4 | ZW30-5 | ZW30-6 | ZW30-7 | ZW30-8 | |
|---|---|---|---|---|---|---|---|
| Ø | 3-3/4" | 4-3/4" | 5-3/4" | 7" | 8" | 9" | 11" |
| Thickness | 3/4" | 3/4" | 1" | 3/4" | 1-1/4" | 1-1/4" | 1-1/4" |
| ZW30-2 | ZW30-3 | ZW30-4 | ZW30-5 | ZW30-6 | ZW30-7 | ZW30-8 | |
|---|---|---|---|---|---|---|---|
| Bolt Circle Diameter (C) | 3-3/8" | 4-3/8" | 6-3/8" | 7-3/4" | 9" | 10" | 12" |
| Tightening Torque (ft/lbs) | 17 | 17 | 19 | 22 | 25 | 28 | 32 |
*Glass Sizes are for Tempered Borosilicate glass only. Please contact us for details regarding any other glass material. *Torque values may vary depending on gasket material. Please contact us for details regarding specific torque for your application.
Discover the full range of Gulf Coast Glass products designed to meet your industrial needs. Visit our categories page to explore high-quality sight glasses, specialty sight glass applications, and specialized accessories.
Talk to our team
Contact us with your application details — pressure, media, and connections — and we will help you specify the right sight glass.