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    SAFETY DRUM VENTS

    Nos. 522 and F522 Safety Drum Vents
    2" Drum Vents safely vent side bung opening of 30 and 55 gallon drums. Have automatic pressure relief, opening between 5 and 8 PSI and manual vacuum relief. Flame arrester prevents propagation of fire through vent passage.

    Nos. 525 Safety Drum Vent
    3/4" Drum Vent provides continuous, safe venting of storage drums where a 2" bung opening is not available. Perforated metal flash arrester prevents flashbacks through vent passage.

    No. 526 Safety Drum Vent Adapter
    Provides elbow-type mount for Nos. 522 and F522 Drum Vents. Especially recommended to keep flame arrester plates above liquid level when storing viscous flammable. Mounts in 3/4" bung opening.

    No. 5522 and F5522 Safety Drum Vent
    2" Drum Vents especially suited for horizontal storage drums with 2" bung opening at end. Automatic pressure relief at approximately 5 PSI manual vacuum relief. Fusible emergency relief plug melts at 135°F (57°C) venting pressure and preventing drum rupture in case of fire. Perforated metal flash arrester prevents accidental ignition of vapor within drum.

    No. 5505 Drum Funnel
    Temporarily replace 2" Safety Drum Vent or original bung cap providing an economical method for emptying waste liquids into drums. 9 1/2" diameter copper funnel minimizes or eliminates spillage. Perforated metal flash arrester inside funnel protects drum contents from ignition.

    No. 5000 and F5000 Combination Safety Drum Vent & Fill Unit
    Automatic vacuum relief, at approximately 2" W.C., facilitates liquid flow during dispensing. Removable cap assembly permits perforated flash arrester to remain threaded in bung opening for safety during filling. Automatic pressure relief valve opens at 5 to 6 PSI.

    Cat. No. Size Material Test Lab Listing
    522 2" Male NPS Brass & Aluminum FM
    F522 2" Male NPS 316 Stainless -
    525 3/4" Male NPT Brass -
    526 3/4" Male NPS & 2" Female NPS Steel -
    5000 2" Male NPS Brass FM
    F5000 2" Male NPS 316 Stainless -
    5505 2" Male NPS Copper -
    5522 2" Male NPS Brass FM
    F5522 2" Male NPS 316 Stainless FM











































































































































































































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