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ASTM D4293 - Phosphate Ester Based Fluids for Turbine Lubrication and Steam Turbine Electro-Hydraulic Control (EHC) Applications Specification

We perform testing by Specification ASTM D4293, which covers phosphate ester based fluids for turbine lubricants and electro-hydraulic control fluids. These fluids are used only in turbine systems that have been designed or modified to accommodate phosphate ester fluids. ASTM D4293 defines the minimum requirements of fire-resistant fluids for satisfactory performance in turbine applications. Note that fire-resistant fluids will still burn if enough energy is supplied.

For additional information on this test method or to purchase a copy of the method, please click HERE to open a new window and visit the ASTM website.

The following is a list of tests required by Specification ASTM D4293. Some of these tests are customized for this exact specification. Alcor Petrolab and Phoenix Chemical Laboratory specialize in unusual and custom testing, and our testing capabilities are continuing to expand; to discuss the exact testing you need, contact us today. To see more information about one of these tests, click on the test method name below.

Table 3 - Requirements for Fire-Resistant Phosphate Ester Lubricants

Table 4 - Requirements for Fire-Resistant Phosphate Ester Used in EHC Systems