请注意:此版本的所有临时修订版将在您购买时提供。燃油燃烧器用钢制辅助油箱UL 4431范围1。1这些要求包括用于辅助储存和供应燃油燃烧器燃油的常压焊接钢罐的设计和建造。它们用于燃烧器与其主燃料供应箱之间的供应管道。1.2这些储罐的安装和使用应符合美国国家消防协会关于石油安装的标准- 燃烧设备，NFPA No.31.1.3配备有控制泵或以其他方式控制液位或防止燃料油从无需排放至建筑物外部的油箱溢出的机制的辅助油箱，应根据《燃油设备用泵标准》（UL 343.1.4）进行判断，该标准包含特征、特性、部件，应使用适当的附加组件和终端对新材料或系统进行评估，或与本标准要求涵盖的材料或系统不同的系统，以及涉及火灾、触电或人身伤害风险的材料或系统- 为保持本标准最初预期的可接受安全水平而确定的产品要求。如果产品的特征、特性、组件、材料或系统与本标准的特定要求或规定相冲突，则无法判断其是否符合本标准。在认为合适的情况下，应根据本标准制定、修订和实施所采用的方法，提出并采用要求修订。

Please note: All interim revisions for this edition available at time of your purchase will be included.Steel Auxiliary Tanks for Oil-Burner FuelUL 4431 Scope1.1 These requirements cover the design and construction of welded steel tanks of the atmospheric type intended for the auxiliary storage and supply of fuel oil for oil burners. They are for use in the supply piping between a burner and its main fuel supply tank.1.2 These tanks are intended for installation and use in accordance with the Standard of the National Fire Protection Association for the Installation of Oil-Burning Equipment, NFPA No. 31.1.3 An auxiliary tank equipped with a mechanism for control of a pump or otherwise controlling liquid level or for preventing the spillage of fuel oil from a tank not required to be vented to the outside of a building is to be judged under the Standard for Pumps for Oil-Burning Appliances, UL 343.1.4 A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire, electric shock, or injury to persons shall be evaluated using the appropriate additional component and end-product requirements as determined necessary to maintain the acceptable level of safety as originally anticipated by the intent of this standard. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard cannot be judged to comply with this standard. Where considered appropriate, revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.