Naphtha (Light / Heavy Naphtha) service
Material Compatibility

A217 WC6/WC9 for Naphtha (Light / Heavy Naphtha)

Is A217 WC6/WC9 the right valve material for Naphtha (Light / Heavy Naphtha)? The engineering rating, the conditions that limit it, and the better alternatives.

Excellent

Is A217 WC6/WC9 compatible with Naphtha (Light / Heavy Naphtha)?

For Naphtha (Light / Heavy Naphtha) (C₅–C₁₂ hydrocarbons) valve service, A217 WC6/WC9 is excellent — an excellent choice. For high-temperature catalytic reformer service (>400°C).

Better materials for Naphtha (Light / Heavy Naphtha)

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

Carbon SteelExcellentSS 316LExcellentPTFE sealsExcellent

All rated materials for Naphtha (Light / Heavy Naphtha)

Carbon SteelExcellentSS 316LExcellentPTFE sealsExcellentEPDM / NBR sealsNot Recommended
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Materials
A216 WCB Carbon SteelA351 CF8M (SS316)A217 WC9 Chrome-Moly
Tools
Material Compatibility

Need A217 WC6/WC9 valves for Naphtha (Light / Heavy Naphtha)?

Send your concentration, temperature and pressure — we confirm A217 WC6/WC9 suitability for Naphtha (Light / Heavy Naphtha) (or recommend an upgrade) and supply with full certification.

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Engineering references

Naphtha (Light / Heavy Naphtha) service guideFull compatibility, valves & standardsCompatibility AtlasThe full material x fluid matrix