Std

UL 51

Power-Operated Pumps for Anhydrous Ammonia and LP-Gas

standard by Underwriters Laboratories , 01/01/1995

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Please note: All interim revisions for this edition available at time of your purchase will be included.

By order of the publisher, historical UL documents are not returnable for any reason. Once you place an order for an historical document, we cannot issue a refund, credit, or exchange of any kind.


These requirements cover power-operated pumps for anhydrous ammonia and liquefied petroleum gas (LP-Gas) for use in liquid transfer operations in nonrefrigerated systems in installations covered by the:
  1. Safety Requirements for the Storage and Handling of Anhydrous Ammonia, CGA G-2.1 (ANSI K61.1) and
  2. Standard for Storage and Handling of Liquefied Petroleum Gases, NFPA No. 58 (National Fire Codes, volume 2).


These requirements do not cover:
  1. Pumps or compressors intended for handling anhydrous ammonia or LP-Gas in the gaseous phase and
  2. Pumps or compressors for anhydrous ammonia or LP-Gas for use in chemical, petro-chemical, petroleum, or utility power plants; nor pipeline or marine terminals; nor related storage facilities at such plants or terminals.
 

Product Details

Edition:
8th
Published:
01/01/1995
Note:
This product is unavailable in Ukraine, Russia, Belarus
 

Document History

  1. UL 51


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

    • Most Recent

  2. UL 51


    Standard for Power-Operated Pumps for Anhydrous Ammonia and LP-Gas

    • Historical Version

  3. UL 51

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    Power-Operated Pumps for Anhydrous Ammonia and LP-Gas

    • Historical Version