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Class Number Description
3228-82
VALVES - Actuators - For Hazardous Locations-Certified to U.S. Standards

COVERAGE:
Electrically operated, general purpose valve actuators, rated 600 volts and less.
Actuators intended for use in other equipment are subject to additional investigation with
the equipment.

This category does not include performance capabilities of equipment.

REQUIREMENTS:

UL 429 Electrically Operated Valves
UL 50E Enclosures for Electrical Equipment,
Environmental Considerations
UL 508 Industrial Control Equipment
UL 913 Intrinsically Safe Apparatus and Associated
Apparatus For Use in Class I, II, and III, Division 1, Hazardous
(Classified) Locations
UL 1203 Explosion-Proof and Dust-Ignition-Proof
Electrical Equipment For Use in Hazardous (Classified) Locations
UL 60079-0 Explosive Atmospheres – Part 0: Equipment –
General Requirements
UL 60079-1 Explosive Atmospheres – Part 1: Equipment
Protection by Flameproof Enclosures "d"
UL 60079-2 Explosive Atmospheres – Part 2: Equipment
Protection by Pressurized Enclosure ?p?
UL 60079-5 Explosive Atmospheres – Part 5: Equipment
protection by powder filling "q"
UL 60079-6 Explosive Atmospheres – Part 6: Equipment
Protection by Liquid Immersion "o"
UL 60079-7 Explosive Atmospheres – Part 7: Equipment
Protection by Increased Safety "e"
UL 60079-11 Explosive Atmospheres – Part 11: Equipment
Protection by Intrinsic Safety "i"
UL 60079-15 Explosive Atmospheres – Part 15: Equipment
Protection by Type of Protection "n"
UL 60079-18 Explosive Atmospheres – Part 18: Equipment
Protection by Encapsulation "m"
UL 60079-25 Explosive Atmospheres – Part 25: Intrinsically
Safe Electrical Systems
UL 60079-31 Explosive Atmospheres – Part 31: Equipment Dust
Ignition Protection by Enclosure "t"
ISA 12.12.01 Nonincendive Electrical Equipment for Use in
Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous
(Classified) Locations
ISA 12.27.01 Requirements for Process Sealing Between
Electrical Systems and Flammable or Combustible Process Fluids
FM 3600 Electrical Equipment for Use in Hazardous
(Classified) Locations – General Requirements
FM 3610 Intrinsically Safe Apparatus and Associated
Apparatus for Use in Class I, II, and III, Division 1, Hazardous
(Classified) Locations
FM 3611 Nonincendive Electrical Equipment for Use in
Class I and Class II, Division 2, and Class III, Division 1 and 2
Hazardous (Classified) Locations
FM 3615 Explosionproof Electrical Equipment, General
Requirements
FM 3616 Dust-Ignitionproof Electrical Equipment,
General Requirements
FM 3620 Purged and Pressurized Electrical Equipment for
Hazardous (Classified) Locations
FM 3810 Electrical Equipment for Measurement, Control
and Laboratory Use
NFPA 496 Standard for Purged and Pressurized Enclosures
for Electrical Equipment

NOTES:
Notes applicable to specific devices or submittors are detailed in the individual
submittor's listing.

MARKING:
All marking required by CSA must be permanent, legible and located when readily visible
for review after installation of the equipment, except as permitted otherwise. The
contents consist of:

  • Submittor's identification;
  • Model designation or equivalent;
  • Complete electrical rating;
  • Applicable hazardous locations designation;
  • Time rating if not continuous;
  • Date code;
  • Cautions, warnings and additional markings as may be required by the applicable
    Standards;
  • CSA Mark and indicator "US".

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