Weld to Tank Sight Glasses ZW15 - 150 PSI
The Douglass ZW15 Weld-to-Tank Sight Glass is a robust and versatile solution designed for industrial applications that demand reliable visibility into tank processes. Engineered for tanks operating under 150 PSI, this sight glass combines ease of installation with a sleek, professional appearance. Its durable construction and compatibility with various materials make it ideal for a wide range of environments, from chemical processing to food and beverage production.
OUR WARRANTY
100% Satisfaction Guarantee
Douglass warrants merchandise against defective workmanship and materials that become apparent within a period of 12 months from the date of receipt of invoice by the purchaser (hereinafter referred to as the warranty period). All liabilities under the warranty provisions shall expire when the warranty period has expired. Please feel free to contact us if you have any questions or comments.
SHIPPING AND PACKAGING
At Douglass, we use a unique and patented packaging method that minimizes the risk of glass damage during shipping. This system ensures your products arrive in perfect condition, just as we would like to receive them ourselves.
We understand that not all glass is the same, so we tailor our packaging techniques based on the type and quantity of products you order. This ensures maximum protection for every shipment.
The ZW15 offers both standard and customizable options, ensuring it meets the specific needs of any project, while its aesthetically pleasing design enhances the overall look of the installation. 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.
Weld Sight Glass - Advantages
Ease of Installation
The ZW15 is designed for quick and straightforward installation, reducing downtime and labor costs during setup. Its user-friendly design ensures that even complex installations can be completed efficiently.
Aesthetic Design
The screws are positioned into the upper flange, giving the ZW15 a clean and professional appearance. This makes it an excellent choice for installations where visual appeal is important.
Customizable Options
While the ZW15 comes in standard sizes, it offers customization options to meet specific project requirements, including adjustments to metal thickness, glass type, and gasket materials.
Cost-Effective Solution
The ZW15 provides a reliable and durable sight glass solution at a competitive price, making it an excellent choice for industries looking to balance performance with cost-efficiency.
Durable Construction
Built from high-quality materials like carbon steel or stainless steel, the ZW15 is resistant to corrosion and wear, ensuring long-term performance even in challenging environments.
Versatility
Suitable for a wide range of industrial applications, from chemical processing to food and beverage production, the ZW15 can be adapted to various operating conditions and requirements.
Optional LED Lighting
For installations in dark 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.
Sight Windows - Parts and Materials
| Item | Part name | Material options |
|---|---|---|
| 1 | Cover Flange |
|
| 2 | Weld Pad |
|
| 3 | Sight Glass (max temp) |
|
| 4 | Gaskets *(max temp) |
|
| 5 | Bolts |
|
Weld-On Sight Glass - Technical Information
TECHNICAL INFORMATION — dimensions
| ZW15-2 | ZW15-3 | ZW15-4 | ZW15-5 | ZW15-6 | ZW15-7 | ZW15-8 | |
|---|---|---|---|---|---|---|---|
| Visible Diameter (A) | 2" | 3" | 4" | 5" | 6" | 7" | 8" |
| Total Diameter (B) | 4" | 5" | 6" | 7-1/2" | 9" | 10" | 11" |
Flange thickness
| ZW15-2 | ZW15-3 | ZW15-4 | ZW15-5 | ZW15-6 | ZW15-7 | ZW15-8 | |
|---|---|---|---|---|---|---|---|
| Cover (H1) | 5/8" | 5/8" | 5/8" | 3/4" | 3/4" | 1" | 1" |
| Weld Pad (H2) | 3/4" | 3/4" | 3/4" | 1" | 1" | 1-1/4" | 1-1/4" |
Glass size (Tempered Borosilicate)
| ZW15-2 | ZW15-3 | ZW15-4 | ZW15-5 | ZW15-6 | ZW15-7 | ZW15-8 | |
|---|---|---|---|---|---|---|---|
| Ø | 2-3/4" | 3-3/4" | 4-3/4" | 6" | 7" | 8" | 9" |
| Thickness | 5/8" | 5/8" | 3/4" | 3/4" | 3/4" | 1" | 1" |
Bolt circle & torque
| ZW15-2 | ZW15-3 | ZW15-4 | ZW15-5 | ZW15-6 | ZW15-7 | ZW15-8 | |
|---|---|---|---|---|---|---|---|
| Bolt Circle Diameter (C) | 3-3/8" | 4-3/8" | 5-3/8" | 6-3/4" | 8" | 9" | 10" |
| Tightening Torque (ft/lbs) | 17 | 17 | 19 | 19 | 21 | 25 | 25 |
*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.
Tools and Materials Required
Welding machine Welding rods/electrodes (appropriate for materials) Torque wrench Gaskets (as specified) Bolts and nuts (as specified) Protective gear Optional: LED light kit