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ASTM D4293-15

Historical Revision

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


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1.1 This specification covers the minimum requirements for phosphate ester based fluids for turbine lubricants and electro-hydraulic control fluids, as delivered.

1.2 The use of this type of fluid is restricted to turbine systems that have been designed or modified to accommodate phosphate ester fluids.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


This specification covers the requirements for phosphate ester based fire resistant fluids for use in turbine lubrication. Only unused fluid is defined before it is installed in the turbine while fluids used in electrohydraulic control (EHC) systems is not. The use of this type of fluid is restricted to turbine systems that have been designed or modified to accommodate phosphate ester lubricants. Fire tests shall be performed which measure and describe the properties of the phosphate esters in response to heat and flame under controlled laboratory conditions and should not be considered or used for the description or appraisal of the fire hazard of the fluids under actual fire conditions.


SDO ASTM: ASTM International
Document Number D4293
Publication Date June 1, 2015
Language en - English
Page Count 5
Revision Level 15
Supercedes
Committee D02.C0.01
Publish Date Document Id Type View
Dec. 1, 2022 D4293-22 Revision
June 1, 2015 D4293-15E01 Revision
June 1, 2015 D4293-15 Revision
Oct. 15, 2008 D4293-83R08 Reaffirmation
May 10, 2003 D4293-83R03 Reaffirmation
Nov. 10, 1998 D4293-83R98 Reaffirmation