EVO LNG Supply · Guides
Cryogenic and LNG valve guides for engineers and buyers
For engineers and buyers writing specifications and RFQs for valves in cryogenic, LNG and industrial gas service. Each guide links the standards listings it cites.
Start where you are: Decide if you are ready to request quotes, Compare if you are choosing or specifying, Learn if you are new to the subject.
Decide
Ready to request quotes
What to put in an RFQ for cryogenic and LNG valves, so offers come back complete and comparable.
Compare
Choosing and specifying
Which testing standards cover cryogenic valves and what to write into a specification, and whether a line needs a control valve or a pressure regulating valve.
Standards
Cryogenic valve testing: ISO 28921-1, BS 6364 and what to specify
Which standards cover the design and testing of cryogenic isolating valves: the scope of ISO 28921-1 and ISO 28921-2, the status of BS 6364 (withdrawn by BSI in 2021), and what to write into a purchase specification.
Comparison
Control valve or pressure regulating valve: which does your line need?
How a control valve and a self-acting pressure regulating valve differ: what moves each one, what it can control, what it needs on site, and when each one is the wrong choice.
Learn
New to cryogenic valves
What makes a valve fit for cryogenic and LNG service: extended bonnets, materials and low-temperature testing.
More guides from EVOSNT
Rock bag guides
Erosion and scour control: cost and quotes, sizing, comparisons and applications.
Contact
Request a valve quote
Whether your project requires cryogenic valves, rock bags or manpower, let us be your first contact. We will deliver to your exact requirements and provide a quality solution on time and on budget.
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