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Overview ISO 6521-1:2019 establishes essential specifications for lubricants used in reciprocating and drip feed rotary air compressors, classified under Family D, Class L industrial oils. This inter…
What is ISO 6521-1- Specifications of categories DAA and DAB about? ISO 65211 specifies the minimum requirements for mineral or synthetic based lubricants intended for use in reciprocating and drip f…