ASTM D4304 Specification for Mineral Lubricating Oil Used in Steam or Gas Turbines
4. Sampling and Testing
4.1 Sampling - Generally, take all oil samples in accordance with Practice D4057.
4.2 Use the ASTM and other test methods described in Tables 1 and 2.
5. Functional Property Requirements
5.1 Mineral lubricating oils conforming to the specification shall meet the functional property limits specified in 5.2 and 5.3 and Table 1 and Table 2. The significance of these properties is discussed in Appendix X1.
5.2 Requirements for Type I oils are shown in Table 1.
5.3 Requirements for Type II oils are shown in Table 2.
6. Keywords
6.1 gas turbine oil; mineral oil; R and O oils; steam turbine oil; turbine lubricating oils; turbine lubrication systems