Level Gauge Valves - Stainless Steel 250 PSI ZTV-25SS
DOUGLASS level sight glasses made of STAINLESS STEEL allow for a view of the level in a tank. The valves are forged in one piece, which guarantees excellent resistance to pressure and more adverse conditions.
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.
Why should I choose Douglass Tubular Level Gauge Valves
Douglass valves are the perfect choice for customers seeking durable, high-quality valves. With superior design and precise manufacturing, our valves are crafted to meet the highest industry standards. We offer a single type of valve that is versatile and suitable for a wide range of applications.
What makes Douglass different from other brands?
By having a single model that suits a wide range of applications, we were able to develop the most competitive valve on the market. We offer a high-quality product at a highly competitive price so customers don't have to cover indirect costs such as transportation, storage and tariffs typically associated with purchasing imported products.
As a result, our ZTV-25SS valves are well positioned with great acceptance throughout the North and South American markets. ZTV-25SS models also come with an upper vent, which allows operators to release gases or inject into the tank without the need to open it.
Tubular Glass Gauge - Parts and available material
| Item | Part name | Material options |
|---|---|---|
| 1 | Stopper |
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| 2 | Handle |
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| 3 | Body (Upper & Lower) |
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| 4 | Tubular Gasket |
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| 5 | Tightening Nut |
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| 6 | Protection Rods |
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| 7 | Glass Tube |
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| 8 | Vent |
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| 9 | Drain |
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Level Gauge Valves - Features
| Connection type | 1/2" NPT or 3/4" NPT |
|---|---|
| Flow indication type | Transparent / Red line |
| Working pressure | From 0 to 250 PSI |
| Working temperature | 260°C (Option at 560°C) |
| Gaskets included | EPDM or Zyton |
| Handle | Aluminum |
| Drain | Sampler lower vent |
| Safety check | SS316 Safety Ball Check |
| Upper vent | Included — release gases or inject without opening the tank |
Level Gauge Valves - Stainless Steel 250 PSI - Technical Information
TECHNICAL INFORMATION
| Size | GLASS L | ROD L | TOTAL L | A | B | H | O | DRAIN |
|---|---|---|---|---|---|---|---|---|
| 1/2" | X − 2" | X + 1" | X + 2-5/8" | MAX 4" | 1-1/2" | 3/4" | 2" | 3/8"-24 |
| 3/4" | X − 2-1/4" | X + 1" | X + 2-7/8" | MAX 4-1/8" | 1-5/8" | 3/4" | 2" | 3/8"-24 |
How to estimate length of glass tube: Tube length = Center-to-Center − 2" How to estimate length of protective rods: Rod length = Center-to-Center + 1" How to estimate total length of level equipment: Total length = Center-to-Center + 2-5/8"