Historical
UL 448 Ed. 11-2017
Standard for Centrifugal Stationary Pumps for Fire-Protection Service - Published Date: October 20, 2017
This new edition of ANSI/UL 448 was issued to incorporate the following changes: - Revised Requirements Related to Series 400 Stainless Steel for Interior Bolts or Screws - Clarification of Requirements and Update Testing Details - Maximum Horsepower Required to Drive the Pump The revised requirements are substantially in accordance with Proposal(s) on this subject dated July 28, 2017.
Underwriters Laboratories [ul]