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END-OF-LINE RECTANGULAR PLATE
FLAME ARRESTER
Series No. 860
Protectoseal Series No. 860 End-of-Line Rectangular Plate Flame Arresters
are installed where it is not necessary to conserve vapor losses but where
low flash point liquids must be protected against fire and explosion from
exterior sources of ignition. The flame arrester element is mounted to
the arrester housing but is easily removable to facilitate inspection
and maintenance. These flame arresters are designed to provide maximum
air flow consistent with operating efficiency, fire protection and low
cost maintenance. Listed by Underwriters' Laboratories in 2" through 8"
sizes. Approved by Factory Mutual Research in 2" through 6" sizes. Suitable
for Group D Vapors, such as gasoline and methane, as referenced in the
National Electric Code (NEC Article 500), generally equivalent to International
Electrotechnical Commission (IEC) Group IIA.
 The Series
No. 860 Flame Arrester is mounted on the end of the vent pipe from a tank.
Standard connections on the 2", 3" and 4" sizes are NPT threads. Flange
connections provided on the 6" and 8" sizes. Vapors are allowed to escape
into the atmosphere and air can be drawn into the tank through the specially
designed flame arrester grid assembly. If an ignition source outside of
the tank is encountered, the flame arrester provides protection for the
tank's vapor space. The large wing nut and swing bolt assemblies loosen
easily to allow full access to flame arrester and vent interior for inspection
and maintenance. A spare arrester element can be quickly mounted to safeguard
tank interior while servicing the original element.
Materials of Construction*
| SERIES |
HOUSING |
FLAME ARRESTER
GRID ASSEMBLY |
| 860 |
Aluminum 356 |
Aluminum |
| C860 |
Ductile Iron A536 |
316 S.S. |
| E860 |
Aluminum 356 |
316 S.S. |
| F860 |
316 S.S. |
316 S.S. |
*Other exotic metals & coatings available.
2", 3" and 4" sizes have standard NPT threaded connections.
| Flange mating on 6" and 8" sizes |
Aluminum: |
Mates with 125# FF ANSI |
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Other metals: |
Mates with 150# RF ANSI |
Series No. 670 & 6670, End-of-Line Circular
Plate Flame Arresters
Series No. 830, End-of-Line Pressure/Vacuum Conservation
Vents with Flame Arrester
Series No. 27000, 29000, & 31000, End-of-Line
Crimped Metal Flame Arresters
(For more detailed product information, e-mail
us at: info@protectoseal.com.
Be sure to include the product number and your name and address.)
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