ASTM D4814 PDF

Gasoline and Gasoline-Oxygenate Blends (as defined in this regulation). – Shall meet the most recent version of ASTM D “Standard. D –ASTM Gasoline Standard. ○ Covers gasoline and its blends with oxygenates for spark-ignition engines. – vol% ethanol (US. Buy ASTM D Standard Specification for Automotive Spark-Ignition Engine Fuel from SAI Global.

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The composition of both unleaded and leaded fuel is limited by economic, legal, and technical consideration, but their properties, including volatility, are defined by this specification. The specification is under continuous review, which can result in revisions based on changes in fuel, automotive requirements, or test methods, or a combination thereof. Many of the values shown in Table 1 were originally developed using U. As a result, conversion of the SI values will sometimes differ slightly from the U.

For a specification limit expressed as an integer, a trailing zero is significant only if the decimal point is specified. Values given in parentheses are provided for information only. Active view current version of standard. Note 2—Many of the values shown in Table 1 were originally developed using U.

The significance of each of the properties of this specification is shown in Appendix X1. Work Item s – proposed revisions of this standard. The specification is under continuous review, which can result in revisions based on changes in fuel, automotive requirements, or test methods, or a combination thereof. Reformulated spark-ignition engine fuel is required in some areas to lower emissions from automotive vehicles, and its characteristics are described in the research report on reformulated spark-ignition engine fuel.

Work Item s – proposed revisions of this standard. For the period May 1 through Sept. As a result, conversion of the SI values will sometimes differ slightly from the U.

Standard Specification for Automotive Spark-Ignition Engine Fuel

It is informational only and not an official part of the standard; the full text of the standard aetm must be referred to for its use and application. However, in addition to the legal requirements, reformulated spark-ignition engine fuel should meet the performance requirements as well. This specification does not address the emission characteristics of reformulated spark-ignition engine fuel. Refer to Appendix X3 for discussions of EPA rules relating to fuel volatility, lead and phosphorous contents, sulfur content, benzene content, deposit control additive certification, and use of oxygenates in blends with unleaded gasoline.

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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. Test Method D also includes procedures for calculating mass oxygen content and oxygenate concentration in volume percent.

The spark-ignition engine fuels covered here are gasoline and its blends with oxygenates, such as alcohols and ethers, and not fuels that contain an oxygenate as the primary component, such as fuel methanol M Test Method D provides a procedure for determining oxygenate concentration in mass percent.

Reformulated spark-ignition engine fuel is required in some areas to lower emissions from automotive vehicles, and its characteristics are described in the research report on reformulated spark-ignition engine fuel.

All users of this specification, therefore, should refer to the latest edition. In some cases, U. Variation of the antiknock index with seasonal climatic changes and altitude is discussed in Appendix X1. The concentrations and types of oxygenates are not specifically limited in this specification.

The following equation is to be used to make the conversion: This specification neither necessarily includes all types of fuels that are satisfactory for automotive vehicles, nor necessarily excludes fuels that can perform unsatisfactorily under certain operating conditions or in certain equipment. The significance of each of the properties of this specification is shown in Appendix X1.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Historical Version s – view previous versions of standard. A0 Standards Related Products 1. This abstract is a brief summary of the referenced standard.

PAC-Lab Instruments-ASTM D

It provides for a variation of the volatility and water tolerance of automotive fuel in accordance with seasonal climatic changes at the locality where the fuel is used. Refer to Appendix X3 for discussions of EPA rules relating to fuel volatility, lead and phosphorous contents, deposit control additive certification, and use of oxygenates in blends with unleaded gasoline.

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Link to Active This link will always route to the current Active version of the standard. Link to Active This link will always route to the current Active version of the standard.

Standard – Standard Specification for Automotive Spark-Ignition Engine Fuel ASTM D –

This specification does not apply to fuels that contain an oxygenate as the primary component, such as Fuel Methanol M However, depending on oxygenate type, as oxygenate content increases r4814 some threshold level, the likelihood for vehicle problems also increases.

Gasolines meeting these limits are not suitable for blending with ethanol. D4184 addition, the composition of unleaded fuel is subject to the rules, regulations, and Clean Air Act waivers of the U. Consequently, the type of fuel under consideration must first be identified in order to select applicable tests.

For the period May 1 through Sept. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

This specification describes the various characteristics and requirements of automotive fuels for use over a d814 range of operating conditions in ground asstm equipped with spark-ignition engines. F Since DI is an index and has no units, the standard temperature conversion from U. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. In the United States, oxygenate types and concentrations are limited to those approved under the U.

Appendix X4 provides a procedure for calculating the mass oxygen content of a fuel using measured oxygenate type, oxygenate concentration in volume percent, and measured density or relative density of the fuel. Test Method D provides a procedure for determining oxygenate concentration in mass percent.

In many countries, regulatory authorities having jurisdiction have set laws and regulations that limit the concentration of oxygenates and certain other compounds found in spark-ignition engine fuel.

The concentrations and types of oxygenates are not specifically limited in this specification.