NA 044

DIN Standards Committee Refrigeration Technology

DIN 51503-2 [CURRENT] references following documents:

Document number Edition Title
DIN ISO 2049 2001-06 Petroleum products - Determination of colour (ASTM scale) (ISO 2049:1996) More 
DIN ISO 3448 2010-02 Industrial liquid lubricants - ISO viscosity classification (ISO 3448:1992) More 
DIN ISO 6618 2015-07 Petroleum products and lubricants - Determination of acid or base number - Colour-indicator titration method (ISO 6618:1997) More 
DIN 51559-2 2009-04 Testing of mineral oils - Determination of saponification number - Part 2: Color-indicator titration, insulating oils More 
DIN 51639-1 2014-11 Testing of lubricants - Test methods - Part 1: Determination of total base number More 
DIN 8960 1998-11 Refrigerants - Requirements and symbols More 
ISO 817 2014-05 Refrigerants - Designation and safety classification More