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Standard 51, Edition 10

Standard for Power-Operated Pumps and Bypass Valves for Anhydrous Ammonia, LP-Gas, and Propylene

UL CSDS Proposal
Standard 51, Edition 10 Edition Date: October 25, 2013
Summary of Topics b0051_10_20131025_sum.html

Subject 51

Bulletin Dated: October 25, 2013

SUMMARY OF TOPICS

The following changes in requirements to the Standard for Power-Operated Pumps for Anhydrous Ammonia and LP-Gas, UL 51, are being proposed:

1. Clarification of Test Fluid for Endurance Test, Revised 16.3

2. Deletion of Section and Dates from Outside Standard References, Revised 21.3 and 22.3.1

3. Reorganization of the Manufacturing and Production Tests, Revised 24.1

Back to Standard 51, Edition 10

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