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Series 4950 Vent-Line/In-Line Flame Arrester

Brand: Protectoseal Company

The Protectoseal Series 4950 Vent-Line / In-Line Flame Arresters are designed to be installed in open vent pipes from storage or processing tanks, bleed lines or other vapor conveying lines. 

The arresters are used to prevent propagation of an external flame source through the vent opening and into the tank. 

These arresters provide maximum air-flow consistent with operating efficiency and safety.
Features
  • Sizes 1" (DN 25) through 12" (DN 300)
  • FM Approved in 1" through 12"
  • Listed by Underwriters Laboratories in 1" through 10"
  • Suitable for use with vapors equivalent to NEC 500 Group D, IEC Group IIA
  • Vertically mounted, circular plate-type flame arrester
  • Protects against fire and explosion
  • Minimizes pressure drop under normal operating conditions
  • Easy inspection and maintenance
  • Factory inspected prior to shipment
  • Available in Aluminum, Ductile Iron and Stainless Steel

Specifications

Approvals & Certifications

  • FM
  • UL

Enclosure, Body Material

  • 316 Stainless Steel
  • Aluminum 356
  • Ductile Iron

Flange Size - 10” (DN 250)

  • 10” (DN 250) - 125# (Flat Face)
  • 10” (DN 250) - 150# (Raised Face)
  • 10” (DN 250) - PN 16

Flange Size - 12” (DN 300)

  • 12” (DN 300) - 125# (Flat Face)
  • 12” (DN 300) - 150# (Raised Face)
  • 12” (DN 300) - PN 16

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 125# (Flat Face)
  • 2” (DN 50) - 150# (Raised Face)
  • 2” (DN 50) - PN 16

Flange Size - 3” (DN 80)

  • 3” (DN 80) - 125# (Flat Face)
  • 3” (DN 80) - 150# (Raised Face)
  • 3” (DN 80) - PN 16

Flange Size - 4” (DN 100)

  • 4” (DN 100) - 125# (Flat Face)
  • 4” (DN 100) - 150# (Raised Face)
  • 4” (DN 100) - PN 16

Flange Size - 6” (DN 150)

  • 6” (DN 150) - 125# (Flat Face)
  • 6” (DN 150) - 150# (Raised Face)
  • 6” (DN 150) - PN 16

Flange Size - 8” (DN 200)

  • 8” (DN 200) - 125# (Flat Face)
  • 8” (DN 200) - 150# (Raised Face)
  • 8” (DN 200) - PN 16

NPT Connection

  • 1” NPT Female

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