Figure C-8630 2" Vent Type Flame Arrestor with Flapper Cover (Gravity Type) Threaded Shown

Figure C-8630 2" Vent Type Flame Arrestor with Flapper Cover (Gravity Type) Threaded Shown - Flanged & Welded Available

2" Vent Type (Flapper Cover)
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Group "C" & "D" Gases -- Process Vent
Vent Type -- with Stainless Steel Gravity Flapper
Stainless Steel Construction
Connection -- Threaded (Shown) Also flanged or welded
Typical Sizes -- NAO makes flapper vent arrestors
in tubing & pipe sizes from 1" IPS to 8" Threaded
Larger sizes -- flanged or welded to 24"
Services -- Groups "B" Hydrogen, "C" & "D"
Caution -- Not recommended for freezing climates -
flapper may freeze closed and not open -- resulting
in overpressure condition for the vessel or tank.
Additions & Options -- Rainhoods, Bug Screens,
Heat tracing for service in cold & freezing climates,
Monitors (Pressure/Temperature/Flame), Fire Snuffing
Systems - CO2, Dry Chem, Steam, Water Spray

Figure: C-8630