Industry Standard
[PUBLISHED]
UL Standard (UL 51, Edition 10)
UL Standard (UL 51, Edition 10)
Standard for Power-Operated Pumps and Bypass Valves for Anhydrous Ammonia, LP-Gas, and Propylene
Title (German)
No German title available
Brief description
These requirements cover power-operated pumps and bypass valves for use in liquid transfer operations in non-refrigerated systems in installations for: a) Anhydrous ammonia systems installed in accordance with the Safety Requirements for the Storage and Handling of Anhydrous Ammonia, CGA/GAS G-2.1 (ANSI K61.1); b) Liquefied petroleum gas (LP-Gas) systems installed in accordance with the Liquefied Petroleum Gas Code, NFPA No. 58; and c) Propylene systems.