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LH/AD-T Deflagration Flame Arrester

Brand: PROTEGO
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The Protego LH/AD-T end-of-line deflagration flame arrester provides protection against flame transmission through atmospheric deflagration and short time burning on the flame arrester element. 

The device is typically installed on vent lines of vessels and process engineering apparatus which are not pressurized. 

The device is equipped with a temperature sensor which immediately detects a flame on the FLAMEFILTER surface. 

After the flame is detected, a secondary measure, such as inverting or closing of a shut-off valve to block the vapor flow to the device, should activate within 60 seconds and extinguish the flame, so that the plant can operate safely. 

The device prevents flame transmission from short time burning and atmospheric deflagration into the vessel or plant.
Features
  • Weather hood provides protection against environmental impact (Harsh weather conditions, bird nests, etc.)
  • Available in sizes DN50 (2") up to DN800 (32")
  • Easy maintenance
  • Available for elevated operating temperature
  • Protection against short time burning and atmospheric deflagration
The Protego LH/AD-T end-of-line deflagration flame arrester provides protection against flame transmission through atmospheric deflagration and short time burning on the flame arrester element. 

The device is typically installed on vent lines of vessels and process engineering apparatus which are not pressurized. 

The device is equipped with a temperature sensor which immediately detects a flame on the FLAMEFILTER surface. 

After the flame is detected, a secondary measure, such as inverting or closing of a shut-off valve to block the vapor flow to the device, should activate within 60 seconds and extinguish the flame, so that the plant can operate safely. 

The device prevents flame transmission from short time burning and atmospheric deflagration into the vessel or plant.
Features
  • Weather hood provides protection against environmental impact (Harsh weather conditions, bird nests, etc.)
  • Available in sizes DN50 (2") up to DN800 (32")
  • Easy maintenance
  • Available for elevated operating temperature
  • Protection against short time burning and atmospheric deflagration
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Specifications

Brand

Approvals & Certifications

  • ATEX
  • CEN
  • IEC
  • NEC

Approvals & Certifications

  • ISO 16852, 6358 & 16016
  • TÜV (Technischer Uberwachungsverein)

Enclosure, Body Material

  • Steel
  • Weather Hood, Protection Screen, Flamefilter: Stainless Steel

Flange Size - 10” (DN 250)

  • 10” (DN 250) - 150# ASME B16.5

Flange Size - 12” (DN 300)

  • 12” (DN 300) - 150# ASME B16.5

Flange Size - 14” (DN 350)

  • 14” (DN 350) - 150# ASME B16.5

Flange Size - 16” (DN 400)

  • 16” (DN 400) - 150# ASME B16.5

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150# ASME B16.5

Flange Size - 20” (DN 500)

  • 20” (DN 500) - 150# ASME B16.5

Flange Size - 24” (DN 600)

  • 24” (DN 600) - 150# ASME B16.5

Flange Size - 28” (DN 700)

  • 28” (DN 700) - 150# ASME B16.5

Flange Size - 3” (DN 80)

  • 3” (DN 80) - 150# ASME B16.5

Flange Size - 32” (DN 800)

  • 32” (DN 800) - 150# ASME B16.5

Flange Size - 4” (DN 100)

  • 4” (DN 100) - 150# ASME B16.5

Flange Size - 6” (DN 150)

  • 6” (DN 150) - 150# ASME B16.5

Flange Size - 8” (DN 200)

  • 8” (DN 200) - 150# ASME B16.5

Flange Type

  • Raised Face (RF)
  • Smooth Finish

Materials of Construction

  • Flamefilter Cage: Steel
  • Flamefilter: Stainless Steel

Operating Temperature

  • 0° to 60° C (32° to 140° F)
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