DB-WELD™ | Double-Block Weld Tester
Double-block weld tester for isolating a local weld section during hydrostatic testing. Confirm the required dimensions and test conditions before selection.
DB-WELD™ uses two seals to isolate a weld zone for localized hydrostatic testing in offline or depressurized pipelines. This arrangement reduces the volume of water needed compared with filling the full line.
Key Features
- Dual seals create a localized hydrostatic test zone.
- Designed for offline or depressurized pipeline applications.
- Localized testing reduces the water volume compared with a full-line test.
Technical Data & Dimensions
Published specifications vary by size and configuration. Confirm the approved datasheet for the exact model before ordering or testing.
|
Parameter |
Specification |
|
Size Range |
¾″ – 48″ (DN20 – DN1200) |
|
Test Pressure Between Seals |
≤ 2250 PsiG (155 BarG) |
|
Upstream Pressure |
Up to 14.5 PsiG (1 BarG) |
|
Temperature Range |
−32 °C – +82 °C (−26 °F – +180 °F) |
|
Body Material |
Carbon Steel / Stainless Steel / Aluminum |
|
Seal Materials |
PU/NR/FKM |
|
Surface Finish |
Zinc-Plated, Polished, or Custom-Coated |
|
Connection Port |
¼″ NPT or Custom Options |
|
Customization |
Sizes and materials available upon request |
Selection & Installation
Confirm the approved model, actual pipe dimensions, medium compatibility, temperature, and pressure limits before use. Follow the manufacturer-approved installation procedure, use the specified restraint, and fully depressurize before removal.
Request a Quotation
Send the product name, required quantity, pipe dimensions, test medium, pressure, and temperature. Our team will help confirm the appropriate configuration.