UL 51:10ED 2013-05
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Power-Operated Pumps and Bypass Valves for Anhydrous Ammonia, LP-Gas, and Propylene
Hardcopy
05-15-2023
05-31-2013
This revision of ANSI/UL 51 includes the following changes in requirements: Addition of Endurance Test for By-Pass Valves
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