90.20 Standard under periodical review Oct 15, 2024
ISO
ISO/TC 22/SC 34 Propulsion, powertrain and powertrain fluids
International Standard
43.060.30 Cooling systems. Lubricating systems
This document defines the methodology for the measurement of heat dissipation and pressure loss of liquid cooled engine EGR coolers in internal combustion engines for road vehicles. The principles of this document are valid for clean and fouled EGR coolers.
PUBLISHED
ISO 21441:2019
90.20
Standard under periodical review
Oct 15, 2024