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UL 567

10th Edition, May 7, 2014

Complete Document

UL Standard for Safety Emergency Breakaway Fittings, Swivel Connectors and Pipe-Connection Fittings for Petroleum Products and LP-Gas



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Product Details:

  • Revision: 10th Edition, May 7, 2014
  • Published Date: May 7, 2014
  • Status: Active, Most Current
  • Document Language: English
  • Published By: UL (UL)
  • Page Count: 30
  • ANSI Approved: Yes
  • DoD Adopted: Yes

Description / Abstract:

These requirements cover emergency breakaway fittings, swivel connectors and pipe-connecting fittings of the threadless compression type. Connectors and fittings covered by these requirements are intended only for the following services. 

A swivel connector is either a hose swivel or joint swivel. The swivel connector will allow radial movement and shall be constructed for petroleum product, liquefied petroleum gas (LP-Gas) or anhydrous ammonia (NH3) service. 

An emergency breakaway fitting is used between the outlet of the dispensing device and the hose nozzle valve or lever-operated fuel transfer valve (LP-Gas Service) and separates in the event that the coupling is subjected to an excessive pull force to safeguard against abnormally excessive pull force on the hose assembly and dispenser and prevent loss of liquid. An emergency breakaway fitting shall be constructed for petroleum product, liquefied petroleum gas (LP-Gas) or anhydrous ammonia (NH3) service. The fittings shall be of the single-break or reconnectable type.

Requirements for the installation and use of dispensing equipment handling petroleum products are included in the Flammable and Combustible Liquids Code, NFPA 30, and the Code for Motor Fuel Dispensing Facilities and Repair Garages, NFPA 30A. 

Requirements for the installation and use of dispensing devices handling LP-Gas are included in the Liquefied Petroleum Gas Code, NFPA 58. 

Requirements for the installation and use of dispensing equipment handling anhydrous ammonia are included in the Safety Requirements for the Storage and Handling of Anhydrous Ammonia, ANSI/CGA G-2.1 (ANSI K61.1).

A hose assembly provided with an integral swivel connector for petroleum product service shall comply with the applicable requirements in the Standard for Hose and Hose Assemblies for Dispensing Flammable Liquids, UL 330.