Refrigerant R-516A — component and lubricant compatibility
What is the ashrae safety class for Refrigerant R-516A — component and lubricant compatibility?
For Refrigerant R-516A, ashrae safety class is A2L; listing status / notes is acceptable, subject to use conditions, verified against its source on 2026-08-11.
The EPA is proposing to list HCR 4141, HFO-1234ze(E), and R-516A as acceptable, subject to use conditions, for this end-use. HCR 4141 is a higher flammability refrigerant blend with each component in the A3 Safety Group. HFO-1234ze(E) and R-516A are lower flammability refrigerants, both in the A2L Safety Group.
— federalregister.gov, retrieved 2026-08-11
- Refrigerant
- R-516A verified
- ASHRAE safety class
- A2L verified
- Listing status / notes
- acceptable, subject to use conditions verified
Source
- federalregister.govhttps://www.federalregister.gov/documents/2025/11/10/2025-19812/protection-of-stratospheric-ozone-listing-of-substitutes-under-the-significant-new-alternatives