Ammonia (NH₃) service
Material Compatibility

EPDM for Ammonia (NH₃)

Is EPDM the right valve material for Ammonia (NH₃)? The engineering rating, the conditions that limit it, and the better alternatives.

Good

Is EPDM compatible with Ammonia (NH₃)?

For Ammonia (NH₃) (NH₃) valve service, EPDM is gooda good choice. Acceptable for refrigerant ammonia seals.

Better materials for Ammonia (NH₃)

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

All rated materials for Ammonia (NH₃)

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

Connected Engineering

Need EPDM valves for Ammonia (NH₃)?

Send your concentration, temperature and pressure — we confirm EPDM suitability for Ammonia (NH₃) (or recommend an upgrade) and supply with full certification.

Engineering references