UL 109-1997
UL Standard for Safety Tube Fittings for Flammable and Combustible Fluids, Refrigeration Service, and Marine Use Sixth Edition; Reprint with Revisions Through and Including January 11, 2005

Standard No.

UL 109-1997

Release Date

1997

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2005-10

Replace By

UL 109 BULLETINS-2004

Latest

UL 109-2020

Scope

The requirements cover fittings to be used in tubing carrying designated flammable or combustible fluids and refrigerants. The requirements for &178;Marine Use&178; cover fittings to be used with tubing carrying designated flammable or combustible fluids in the fuel systems of boats. &178;Flammable and combustible fluids&178; means gases and liquids which are usually considered to be flammable or combustible, such as acetylene, fuel oil, gasoline, kerosene, liquefied petroleum gas (LP-gas), and manufactured and natural fuel gases.

UL 109-1997 history

• 1970 UL 109-2020 UL Standard for Safety Tube Fittings for Flammable and Combustible Fluids, Refrigeration Service, and Marine Use
• 2017 UL 109 BULLETIN-2017 UL Standard for Safety Tube Fittings for Flammable and Combustible Fluids@ Refrigeration Service@ and Marine Use (COMMENTS DUE: December 4@ 2017)
• 2013 UL 109 BULLETIN-2013 UL Standard for Safety Tube Fittings for Flammable and Combustible Fluids@ Refrigeration Service@ and Marine Use (COMMENTS DUE: July 29@ 2013)
• 2009 UL 109 BULLETIN-2009 UL Standard for Safety Tube Fittings for Flammable and Combustible Fluids@ Refrigeration Service@ and Marine Use (COMMENTS DUE: April 13@ 2009)
• 2004 UL 109 BULLETINS-2004 UL Standard for Safety Tube Fittings for Flammable and Combustible Fluids@ Refrigeration Service@ and Marine Use (10/28/2004 (6p); 06/25/2004 (20p))
• 1997 UL 109-1997 UL Standard for Safety Tube Fittings for Flammable and Combustible Fluids, Refrigeration Service, and Marine Use Sixth Edition; Reprint with Revisions Through and Including January 11, 2005
• 1993 UL 109-1993 UL Standard for Safety Tube Fittings for Flammable and Combustible Fluids@ Refrigeration Service@ and Marine Use (Fifth Edition)