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Description / Abstract:
These requirements cover electrically operated general purpose
and safety valves rated 600 volts or less and intended for the
control of the fluids specified in 1.2. Electrically operated
valves, other than automotive fuel valves, covered by these
requirements are intended to be used in other than hazardous
locations as defined in accordance with the National Electrical
Code, NFPA 70.
Electrically operated valves for use in dispensing devices are
intended for use with one or more of the following:
a) Gasoline formulated in accordance with the Standard
Specification for Automotive Spark Ignition Fuel, ANSI/ASTM
D4814;
b) Gasoline/ethanol blends with nominal ethanol concentrations
up to 25 percent ethanol (E25), consisting of gasoline formulated
in accordance with the Standard Specification for Automotive Spark
Ignition Fuel, ANSI/ASTM D4814, when blended with denatured fuel
ethanol formulated to be consistent with the Standard Specification
for Denatured Fuel Ethanol for Blending With Gasoline For Use as
Automotive Spark Ignition Engine Fuel, ANSI/ASTM D4806; or c)
Gasoline/ethanol blends with nominal ethanol concentrations above
25 percent formulated in accordance with the Standard Specification
in item (b) or formulated in accordance with the Standard
Specification for Ethanol Fuel Blends for Flexible-Fuel Automotive
Spark Ignition Engines, ANSI/ASTM D5798, as applicable.
These requirements cover valves whose coils are powered by a
Class 2 (low-voltage) source. Valves incorporating a high-voltage
transformer with a low-voltage secondary as an integral part of the
valve assembly, are also covered by these requirements.
These requirements do not cover valves for use with fluids other
than as specified in 1.2.
These requirements do not cover valves employing electrical
parts, including coils, switch contacts and resistance elements,
located in the flammable gas containing compartment of a valve.
Valves constructed as such shall comply with the requirements in
the Standard for Intrinsically Safe Apparatus and Associated
Apparatus for Use in Class I, II, and III, Division 1, Hazardous
(Classified) Locations, UL 913.