Summary of Topics b0260_7_20180427_sum.htmlSubject 260
Bulletin Dated: April 27, 2018
SUMMARY OF TOPICS
The following changes in requirements to the Standard for Safety for Dry Pipe and Deluge Valves for Fire-Protection Service, UL 260, are being proposed:
1. Clarifications on Valve Trim Accessories and Friction Loss
2. Pipe Size Extension