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[fusion_title size=”2″]What is the Flame Arrester?[/fusion_title]

    • FLAME ARRESTER

Device fitted to the opening of an enclosure or to the connecting pipework of

system of enclosures and whose intended function is to allow flow but prevent

the transmission of flame.

    • DEFLAGRATION FLAME ARRESTER

Designed to prevent the transmission of explosion propagating at subsonic

velocity.

    • DETONATION FLAME ARRESTER

Designed to prevent the transmission of explosion propagating at supersonic

velocity. (with shock wave)

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[fusion_title size=”2″]Functions – Flame Arrester[/fusion_title]

  • Flame Barrier
  • Flame Holder
  • Dissipates Heat

[fusion_title size=”2″]Principle of Flame Arrester[/fusion_title]

Screenshot_3

    • Dissipates Heat
    • Gap of Flame Element < MESG of Chemical

MESG: Maximum Experimental Safe Gap

*For example, MESG of propane is

0.965mm.

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[fusion_title size=”2″]Example of Detonation Flame Arrester[/fusion_title]

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[fusion_title size=”2″]Effect of run-up length on pressure and flame speed[/fusion_title]

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[fusion_title size=”2″]Basic information for ordering flame arrester[/fusion_title]

  • Kind of mixture of gases or vapors, and their concentrations
  • Type (End-of-line/In-line, Deflagration/Detonation)
  • Maximum operating pressure
  • Normal operating pressure (if possible)
  • Operating temperature ranges
  • Normal operating temperature (if possible)
  • Size and connection (ex, 4” – JIS 10K Raised Face Flange)
  • Material of body and flame element
  • In case of in-line type, configuration of pipe system and dimensional information (Deflagration Flame arrester should be installed at nearest position from potential ignition source. We recommend it must be installed within 20 times of pipe diameters of the open end of the vent pipe or the potential ignition source.)
  • Acceptable pressure drop at flame arrester
  • Set pressure, vacuum (for flame arrester with integrated pressure/vacuum relief valve)

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[/fusion_builder_column][fusion_builder_column type=”1_1″ background_position=”left top” background_color=”” border_size=”” border_color=”” border_style=”solid” spacing=”yes” background_image=”” background_repeat=”no-repeat” padding=”” margin_top=”0px” margin_bottom=”0px” class=”” id=”” animation_type=”” animation_speed=”0.3″ animation_direction=”left” hide_on_mobile=”no” center_content=”no” min_height=”none”][fusion_title size=”2″]Evaporation Loss for the Storage Tank[/fusion_title]

  • Breathing Loss Comparison Table

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  • Pressure Relief

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When the pressure in the tank
is increased than the set
pressure

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  • Vacuum Relief

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When the vacuum in the tank is
decreased than the set vacuum

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[fusion_title size=”2″]Basic Requirements of Relief Valve[/fusion_title]

  • Anti-corrosion to the handling chemical
  • Maximum venting capacity of valve
    – Normal venting requirement
    – Thermal venting capacity
    – Other venting requirements due to chemical reactions, internal or external heat transfer device, etc.
    ※ These requirement are specified in API 2000 Standard.
  • Sealing

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[fusion_title size=”2″]Causes of Overpressure or Vacuum[/fusion_title]

  • Liquid Movement into or out of a Tank
  • Weather Change
  • Fire Exposure
  • Utility or System Failure
    (Internal or External Heat Transfer Device, Venting device etc.,)
  • Other Circumstances

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[fusion_builder_column type=”1_1″ background_position=”left top” background_color=”” border_size=”” border_color=”” border_style=”solid” spacing=”yes” background_image=”” background_repeat=”no-repeat” padding=”” margin_top=”0px” margin_bottom=”0px” class=”” id=”” animation_type=”” animation_speed=”0.3″ animation_direction=”left” hide_on_mobile=”no” center_content=”no” min_height=”none”][fusion_title size=”2″]Basic information for ordering pressure/vacuum relief valve[/fusion_title]

  • Kind of chemical, their concentrations and physical status
  • Type (Pressure relief, vacuum relief, pressure and vacuum relief)
  • Storage tank capacity
  • Design pressure and/or design vacuum of storage tank
  • Normal operating pressure/vacuum of storage tank
  • Set pressure and/or set vacuum of relief valve
  • Maximum filling rate
  • Maximum discharging rate
  • Insulation thickness of storage tank
  • Size and connection (ex, 4” – JIS 10K Raised Face Flange)
  • Materials of body, seat, pallet, and diaphragm
  • Other information and specification to be considered

 

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[fusion_title size=”2″]Emergency Venting Device[/fusion_title]

  • Emergency Venting for Tank subject to Fire Exposure
  • Secondary Safety Device for Emergency
  • Large sized and High Capacity
  • Access for Maintenance (Large sized model)

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[fusion_title size=”2″]General Specification[/fusion_title]

  • Size : 18”, 20”, 24”
  • Connection : API 650 or ANSI Class 150lb Flange
  • Materials : Carbon Steel / Aluminum / Stainless Steel
  • Maximum working Pressure & Set pressure : Determined by
  • API Standard 2000
    *API: American Petroleum Institute

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• For sampling, measuring level or temperature of fluid in storage tank, and maintenance
• May use for emergency venting device (up to 2100mmH2O)

  • Size : 4”, 6”, 8”, 10”
  • Material : Carbon steel / Aluminum / 304 S.S. / 316 S.S.
  • ANSI Class 150lb Flange or Others

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Screenshot_27

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[fusion_title size=”2″]Positive pressure gas blanketing helps[/fusion_title]

  • Prevent outside air, moisture, and other contaminants from entering the storage tank by means of maintaining a constant pressure in the tank. (Enable precise pressure control)
  • Protect products (chemicals) in the storage tank from oxidation
  • Provides a head pressure above the liquid to reduce evaporation loss, and it helps protect the inside tank corrosion.
  • Reduce internal explosion risk
  • Provides a function as venting device (Vacuum relief device)

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[fusion_title size=”2″]Inert Gas Blanketing Device[/fusion_title]

  • Maintained a constant pressure
    (Precise pressure control)
  • Reduce explosion risk and evaporation loss
  • Protect chemical in the storage tank from oxidation
  • Venting device (Pressure relief device)

Screenshot_28

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[fusion_builder_column type=”1_1″ background_position=”left top” background_color=”” border_size=”” border_color=”” border_style=”solid” spacing=”yes” background_image=”” background_repeat=”no-repeat” padding=”” margin_top=”0px” margin_bottom=”0px” class=”” id=”” animation_type=”” animation_speed=”0.3″ animation_direction=”left” hide_on_mobile=”no” center_content=”no” min_height=”none”][fusion_title size=”2″]Installation – Inert Gas Blanketing Device[/fusion_title]

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[/fusion_builder_column][fusion_builder_column type=”1_1″ background_position=”left top” background_color=”” border_size=”” border_color=”” border_style=”solid” spacing=”yes” background_image=”” background_repeat=”no-repeat” padding=”” margin_top=”0px” margin_bottom=”0px” class=”” id=”” animation_type=”” animation_speed=”0.3″ animation_direction=”left” hide_on_mobile=”no” center_content=”no” min_height=”none”][fusion_title size=”2″]General Specification[/fusion_title]

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  • Set pressure range

    -12.5~200 mmH2O

    -200~500 mmH2O

  • Accessories

    -Inlet pressure gauge

    -Flow indicator and Flow meter

  • Flange or NPT, NPT-Female (0.5”~2”)

  • Materials

    -Body : Stainless Steel

    -Diaphragm : Nylon mesh+

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Screenshot_30

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