Hydrochloric Acid (HCl) service
Material Compatibility

PTFE-lined for Hydrochloric Acid (HCl)

Is PTFE-lined the right valve material for Hydrochloric Acid (HCl)? The engineering rating, the conditions that limit it, and the better alternatives.

Excellent

Is PTFE-lined compatible with Hydrochloric Acid (HCl)?

For Hydrochloric Acid (HCl) (HCl) valve service, PTFE-lined is excellent — an excellent choice. Inert to all HCl concentrations.

Better materials for Hydrochloric Acid (HCl)

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

Hastelloy C-276ExcellentHastelloy B-3ExcellentRubber-lined (natural rubber)GoodPVDF-linedGood

All rated materials for Hydrochloric Acid (HCl)

Hastelloy C-276ExcellentHastelloy B-3ExcellentRubber-lined (natural rubber)GoodPVDF-linedGoodCarbon SteelNot RecommendedSS 316LNot RecommendedDuplex 2205Not Recommended
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials
Hastelloy C-276
Tools
Material Compatibility

Need PTFE-lined valves for Hydrochloric Acid (HCl)?

Send your concentration, temperature and pressure — we confirm PTFE-lined suitability for Hydrochloric Acid (HCl) (or recommend an upgrade) and supply with full certification.

Request a Quote WhatsApp Call
Products
Browse All Valve Products

Engineering references

Hydrochloric Acid (HCl) service guideFull compatibility, valves & standardsPTFE-lined compatibilityEvery fluid this material handlesCompatibility AtlasThe full material x fluid matrix