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The purpose of this SAE Information Report is to define common industry terminology and nomenclature relative to thermal flow control valves and to describe common thermal flow control valve applications in automotive, highway truck, mobile construction equipment, and industrial applications. This document is primarily directed at internal combustion engine or electric powered applications and the downstream systems to which power is provided, such as transmissions, hydraulics, air compression, etc. The information contained herein does not constitute an SAE Standard.

This SAE Standard was developed primarily for passenger car and truck application, but may be used in marine, industrial, and similar applications.

This document supersedes SAE J819—Engine Cooling System Field Test. The purpose of this SAE Recommended Practice is to establish a testing procedure to determine the performance capability of the engine cooling systems, including charge air coolers on heavy-duty vehicles with liquid-cooled internal combustion engines. The definition of heavy vehicles for this document includes, but is not limited to, on and off highway trucks, cranes, drill rigs, construction, forestry and agricultural machines. Vehicles equipped with side or rear-mounted radiators may require an alternate procedure of a towing dynamometer because of peculiar aerodynamics. Testing is generally conducted to determine compliance with cooling criteria established by the engine manufacturer or the end product user to meet a desired engine reliability goal.

The purpose of this SAE Recommended Practice is to establish a testing procedure to determine the performance capability of the engine cooling system and, if so equipped, the charge air cooling system on on-highway trucks with liquid-cooled internal combustion engines.

The purpose of this SAE Recommended Practice is to establish a testing procedure to determine the performance capability of the engine cooling system and, if so equipped, the charge air cooling system on onhighway trucks with liquid-cooled internal combustion engines.