Hydrostatic Test Blank Valve for Power-Station Steam Pipelines
Isolation valve using removable blanking components during boiler hydrostatic testing and flow-guide tubes for subsequent normal pipeline service.
| Size Range | 2″–48″ (DN50–DN1200) |
|---|---|
| Pressure Rating | Class 150–4500 (PN16–PN760) |
| Body Material | Carbon steel, alloy steel, stainless steel |
| End Connection | BW |
Frequently Asked Questions
The original page lists steam pipelines at superheater outlets and reheater inlets or outlets of power-station boilers.
Blanking plates, O-rings and support plates are installed internally to achieve sealing during the hydrostatic test.
The test internals are removed and replaced with flow-guide tubes for normal pipeline service.
Confirm the boiler pipeline location, test pressure, normal-service flow path, BW details and internal conversion procedure.
Provide size, pressure, material, BW dimensions, installation position, test conditions, quantity and drawings.
Product Overview
The Vornet Hydrostatic Test Blank Valve is installed in specified steam pipelines of power-station boilers as an isolation device for static hydrostatic testing.
During testing, internal blanking plates, O-rings and support plates are installed to create the required seal.
After the test, these temporary internals are removed and replaced with flow-guide tubes so the pipeline can return to normal service.
- Hydrostatic-Test Isolation: Provides temporary steam-pipeline isolation.
- Test Internals: Uses blanking plates, O-rings and support plates.
- Normal-Service Conversion: Flow-guide tubes replace the test internals.
- Power-Station Application: Listed for superheater and reheater pipelines.
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