Demineralised Water (DM Water / Deionised Water) service
Material Compatibility

SS 304 for Demineralised Water (DM Water / Deionised Water)

Is SS 304 the right valve material for Demineralised Water (DM Water / Deionised Water)? The engineering rating, the conditions that limit it, and the better alternatives.

Excellent

Is SS 304 compatible with Demineralised Water (DM Water / Deionised Water)?

For Demineralised Water (DM Water / Deionised Water) valve service, SS 304 is excellent — an excellent choice. Acceptable for most DM water service; 316L preferred for hot or higher-purity applications.

Better materials for Demineralised Water (DM Water / Deionised Water)

Higher-rated options for this service, from the compatibility data.

SS 316LExcellentDuplex SSExcellentPTFE-linedExcellent

All rated materials for Demineralised Water (DM Water / Deionised Water)

SS 316LExcellentDuplex SSExcellentPTFE-linedExcellentCarbon SteelFairBronze/BrassPoor
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials
A216 WCB Carbon SteelA351 CF8M (SS316)Super Duplex 2507
Tools
Material Compatibility

Need SS 304 valves for Demineralised Water (DM Water / Deionised Water)?

Send your concentration, temperature and pressure — we confirm SS 304 suitability for Demineralised Water (DM Water / Deionised Water) (or recommend an upgrade) and supply with full certification.

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Engineering references

Demineralised Water (DM Water / Deionised Water) service guideFull compatibility, valves & standardsSS 304 compatibilityEvery fluid this material handlesCompatibility AtlasThe full material x fluid matrix