Enclosure Protection Vent; Top Mount; Spark Arresting; Classified
1 1/4"; Enclosure Protection Vent; Top Mount; Spark Arresting; Classified
gravity controlled, low pressure relief valves designed to
ventilate excessive enclosure pressures that are created by
the Rapid Exchange® process, or the failure of enclosure
pressure control devices. Each vent features a seamless
cap, a spark arresting (SA) style exhaust element, a
friction-free valve assembly, a base and a mounting hub.
The mounting hub, along with associated pipe fi ttings,
permits direct mounting through a round cutout on the
top or side of a protected enclosure. This device functions
in conjunction with Pepperl+Fuchs enclosure protection
systems, to reduce the hazardous (classifi ed) area rating
within protected enclosure(s), in accordance with the
NEC - NFPA 70, Article 500, NFPA 496 and ISA 12.4.
In addition, this device protects enclosures from all limited
sources of pressure relief, regardless of source - i.e.
unrelated pneumatic equipment, such as analyzers or
other process control or measurement instrumentation.
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