请注意:此版本的所有临时修订版将在您购买时提供。固定式、旋转式、容积式消防泵UL 448C1范围1。1这些要求包括用于向消防系统供水或浓缩液体泡沫的固定式、旋转式、容积式泵。1.2这些要求涵盖的泵拟按照NFPA 20《固定式消防泵安装标准》进行安装。

Please note: All interim revisions for this edition available at time of your purchase will be included.Stationary, Rotary-Type, Positive-Displacement Pumps for Fire-Protection ServiceUL 448C1 Scope1.1 These requirements cover stationary, rotary type, positive displacement pumps intended for supplying water or concentrated liquid foam to fire protection systems.1.2 The pumps covered by these requirements are intended to be installed in accordance with the Standard for Installation of Stationary Pumps for Fire Protection, NFPA 20.