UL 448-2020 pdf download - Centrifugal Stationary Pumps for Fire- Protection Service. 1 Scope 1.1 These requirements cover stationary centrifugal fire pumps intended for use in water-supply systems for fire-protection service. 1.2 The pumps covered by these...
UL 448-2017 pdf download – Centrifugal Stationary Pumps for Fire-Protection Service
UL 448-2017 pdf download - Centrifugal Stationary Pumps for Fire-Protection Service Exception: A pump intendedforuse in installations where the connection piping has national pipe flange dimensions that are different from these standards shall be permitted to be...