请注意:此版本的所有临时修订版将在您购买时提供。UL 194消防用球墨铸铁管和配件的密封接头安全标准范围这些要求包括地下消防系统用球墨铸铁管和配件的密封接头。这些要求涵盖的密封接头旨在按照NFPA 24《私人消防总管安装标准》进行安装和使用。如果产品的特征、特性、组件、材料或系统与标准制定时使用的新的或不同，并且存在火灾、触电或人身伤害风险，则应使用适当的附加组件和终端对其进行评估- 根据本标准的初衷，为确保产品使用者的安全水平而确定的产品要求。

Please note: All interim revisions for this edition available at time of your purchase will be included.UL 194STANDARD FOR SAFETY FOR GASKETED JOINTS FOR DUCTILE-IRON PIPE AND FITTINGS FOR FIRE PROTECTION SERVICEScopeThese requirements cover gasketed joints for ductile-iron pipe and fittings for use in underground fire service systems.The gasketed joints covered by these requirements are intended for installation and use in accordance with the Standard for Installation of Private Fire Service Mains, NFPA 24.A product that contains features, characteristics, components, materials, or systems new or different from those in use when the Standard was developed, 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 mai ntain the level of safety for the user of the product as originally anticipated by the intent of this Standard.