ANSI/UL 125b-2011
Standard for Safety for Flow Control Valves for Anhydrous Ammonia and LP-Gas

Standard No.

ANSI/UL 125b-2011

Release Date

2011

Published By

American National Standards Institute （ANSI)

Scope

Clarification for type of valve to be subject to stem torque test,Fix cross reference in material section Clarification of test samples Suitable materials for LP-Gas and NH3 Valves