Seawater service
Material Compatibility

Rubber-lined (EPDM) for Seawater

Is Rubber-lined (EPDM) the right valve material for Seawater? The engineering rating, the conditions that limit it, and the better alternatives.

Good

Is Rubber-lined (EPDM) compatible with Seawater?

For Seawater valve service, Rubber-lined (EPDM) is gooda good choice. Good for seawater service at low pressure.

Better materials for Seawater

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

All rated materials for Seawater

Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

Need Rubber-lined (EPDM) valves for Seawater?

Send your concentration, temperature and pressure — we confirm Rubber-lined (EPDM) suitability for Seawater (or recommend an upgrade) and supply with full certification.

Engineering references