请注意:此版本的所有临时修订版将在您购买时提供。标称乙醇浓度高达85%（E0-E85）的汽油和汽油/乙醇混合物过滤器UL 331A1范围1。1这些要求包括用于1.2中指定燃料的完整、自给式过滤器或过滤器组件。尽管这些设备被指定为过滤器，但根据行业通用术语，它们可能是过滤器或过滤器。1.2本要求涵盖的过滤器和过滤器组件拟用于以下一种或多种用途: a） 根据ANSI/ASTM D4814《汽车火花点火燃料标准规范》配制的汽油；b） 标称乙醇浓度高达25%乙醇（E25）的汽油/乙醇混合物，包括按照汽车火花点火燃料标准规范ANSI/ASTM D4814配制的汽油，当与变性燃料乙醇混合时，其配方应符合ANSI/ASTM D4806《用作汽车火花点火发动机燃料的汽油与变性燃料乙醇混合的标准规范》； orc）标称乙醇浓度超过25%的汽油/乙醇混合物，按照ANSI/ASTM D5798《汽车火花点火式发动机用乙醇燃料混合物标准规范》配制。1.3这些要求不包括:a）低温条件下处理液体的过滤器；b） 船用过滤器；c） 汽车燃油管路过滤器；d） 用于处理制冷剂的过滤器；e） 用于化工、石化、石油和公用发电厂等设施的过滤器； f） 用于流体动力（液压和气动）应用的过滤器；g） 与柴油、生物柴油、柴油/生物柴油混合物、燃油或煤油一起使用的过滤器或过滤器组件，包括在UL 331B《柴油、生物柴油、柴油/生物柴油混合物（标称生物柴油浓度不超过20%）、煤油和燃油过滤器调查大纲》中。h） 适用于液化石油气、天然气、人造气和无水氨的过滤器或过滤器组件，其包含在易燃液体和无水氨过滤器标准UL 331中。

Please note: All interim revisions for this edition available at time of your purchase will be included.Strainers for Gasoline and Gasoline/Ethanol Blends with Nominal Ethanol Concentrations Up to 85 Percent (E0 - E85)UL 331A1 Scope1.1 These requirements cover complete, self-contained strainer or filter assemblies intended for use with fuels designated in 1.2. Although these devices are designated strainers, they may be either strainers or filters according to the common terminology of the industry.1.2 Strainers and filter assemblies covered by these requirements are intended for use with one or more of the following:a) Gasoline formulated in accordance with the Standard Specification for Automotive Spark Ignition Fuel, ANSI/ASTM D4814;b) Gasoline/ethanol blends with nominal ethanol concentrations up to 25 percent ethanol (E25), consisting of gasoline formulated in accordance with the Standard Specification for Automotive Spark Ignition Fuel, ANSI/ASTM D4814, when blended with denatured fuel ethanol formulated to be consistent with the Standard Specification for Denatured Fuel Ethanol for Blending With Gasolines For Use as Automotive Spark Ignition Engine Fuel, ANSI/ASTM D4806; orc) Gasoline/ethanol blends with nominal ethanol concentrations above 25 percent formulated in accordance with the Standard Specification for Ethanol Fuel Blends for Flexible-Fuel Automotive Spark Ignition Engines, ANSI/ASTM D5798.1.3 These requirements do not cover:a) Strainers for handling liquids under cryogenic conditions;b) Strainers for marine use;c) Strainers for automotive fuel lines;d) Strainers for handling refrigerants;e) Strainers for use in such facilities as chemical, petrochemical, petroleum, and utility power plants;f) Strainers for use in fluid-power (hydraulic and pneumatic) applications;g) Strainers or filter assemblies for use with diesel, biodiesel, diesel/biodiesel blends, fuel oil, or kerosene which are covered under the Outline of Investigation for Strainers for Diesel Fuel, Biodiesel Fuel, Diesel/Biodiesel Blends With Nominal Biodiesel Concentrations Up To 20 Percent (B20), Kerosene, and Fuel Oil, UL 331B.h) Strainers or filter assemblies for use with LP-Gas, Natural Gas, Manufactured Gas, and Anhydrous Ammonia, which are covered under the Standard for Strainers for Flammable Fluids and Anhydrous Ammonia, UL 331.