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UL 330 Document Information:
Title
UL Standard for Safety Hose and Hose Assemblies for Dispensing Flammable Liquids
Underwriters Laboratories Inc.
Publication Date:
Dec 27, 1996
Scope:
These requirements cover hose and hose assemblies, including
vapor recovery hose and assemblies, for use on dispensing devices
for flammable liquids. For the purpose of this Standard flammable
liquids are gasoline and diesel fuel. The term "gasoline" includes
gasoline with small amounts of additives such as detergents,
solvents for detergents, and anti-icing chemicals and gasoline with
up to 15 percent ethanol or methyl tertiary butyl ether (MTBE).
Hose assemblies are intended for use in accordance with the
Automotive and Marine Service Station Code of National Fire
Protection Association, NFPA 30A, in maximum lengths of 18 ft (5.5
m).
These requirements cover hose used on dispensing devices for
fuels not covered in 1.1 when found by investigation to have the
required resistance to these fuels.
These requirements cover hose and hose assemblies (hose with
couplings attached) in sizes up to and including 1-1/2 inches (38.1
mm).
Hose for conveying liquid fuel is intended for use at a maximum
working pressure of 50 psig (345 kPa). Hose for conveying vapors of
fuel is intended for use at a maximum working pressure of 0.5 psig
(3.4 kPa), including slight negative pressures from vapor assist
systems.
These requirements cover hose and hose assemblies for use at
temperatures down to minus 40°C (minus 40°F) or minus 54°C (minus
65°F).
These requirements do not cover hose or hose assemblies,
intended for use in automotive vehicles or in confined areas,
except for locations inside the housings of dispensing devices
complying with the Standard For Power-Operated Dispensing Devices
For Petroleum Products, UL 87.
A product that contains features, characteristics, components,
materials, or systems new or different from those covered by the
requirements in this Standard, and that involves a risk of fire,
electric shock, or injury to persons shall be evaluated using the
appropriate additional component and end-product requirements to
determine that the level of safety as originally anticipated by the
intent of this Standard is maintained. A product whose features,
characteristics, components, materials, or systems conflict with
specific requirements or provisions of this Standard shall not be
judged to comply with this Standard. Where appropriate, revision of
requirements shall be proposed and adopted in conformance with the
methods employed for development, revision, and implementation of
this Standard.
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