Top Entry Cryogenic Ball Valve
WDL Top Entry Cryogenic Ball Valve is designed for LNG, liquid nitrogen and low-temperature process service. Extended-stem and project-specific seat options are available.
Description
Top Entry Cryogenic Ball Valve
WDL Top Entry Cryogenic Ball Valve is designed for LNG, liquid nitrogen and other low-temperature process media. An extended stem limits heat transfer to the packing area and keeps the operator clear of frost around the pipeline.
Technical Range
| Item | Specification |
|---|---|
| Size | DN25-DN600 / 1-24 in. |
| Temperature | -196°C to +425°C, subject to material and seat rating |
| Body material | CF8, CF8M, CF3, CF3M, F304L or F316L |
| Testing | BS 6364 and project requirements |
Applications and Selection
- LNG storage and transfer
- Liquid nitrogen systems
- Cryogenic chemical processing
- Low-temperature energy equipment
Confirm the minimum design temperature, pressure class, seat leakage, cavity relief, fire-safe requirement and media-specific cleaning procedure.
FAQ
Why does a cryogenic ball valve use an extended stem?
The extension reduces heat transfer to the packing and provides operating clearance above cold insulation and frost.
Send the cryogenic datasheet to WDL for review and quotation.
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