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.
| UL Standards & Engagement | |
|---|---|
| Product Category | Standards and Technical Documents |
| Product Number | UL 448A |
| Product Name | Flexible Couplings and Connecting Shafts for Stationary Fire Pumps |
