Historical
UL 252 Ed. 10-2017
Standard for Compressed Gas Regulators
This tenth edition of the Standard for Safety for Compressed Gas Regulators, UL 252, is being published to reflect the latest ANSI recognition date and to incorporate the following changes in requirements: 1. Addition of types of connections on the regulators The new and revised requirements are substantially in accordance with Proposal(s) on this subject dated July 28, 2017.
Underwriters Laboratories [ul]