UL 448A

Please note: All interim revisions for this edition available at time of your purchase will be included.

Flexible Couplings and Connecting Shafts for Stationary Fire Pumps

UL 448A

1 Scope

1.1 These requirements cover flexible couplings and flexible connecting shafts intended to connect the shaft of a stationary fire pump to a fire pump driver.

1.2 Flexible couplings and flexible connecting shafts covered by this standard are intended for installation and use in accordance with the Standard for Installation of Stationary Pumps for Fire Protection, NFPA 20.