Flame arrester, type Deflagration (in-line, horizontal) prevent flames from entering openings in pipelines and vessels that emit flammable gasses and traveling back through the system. It contains a flame element designed to be three to four time larger than the diameter of the pipe in which it is installed. The flame element is asselbmed between two flanged reducing spools an consists of rolls of crimped stainless steel that form passageways for gasses but retain flames. The size of these passages determines the level of protection the flame element offers and type, Deflagration (in-line, horizontal) has a MESG (Maximum Experimental Safe Gap) as standard. This makes it suitable for gas group IIB and IIA.
During normal operation, this flame arrester allows flow in both directions, but if a fire occurs outside the system and ignites the emitted gas, the flame arrester will extinguish the leading fire by absorbing and dispersing the heat as it passes through the flame element.
Flame arrester type, Deflagration (in-line, horizontal) is suitable for extinguishing subsonic flames that are traveling with the speed of sound. It should be installed close to potential ignition sources and in a horizontal plane.
DELIVERED WITH
- Earth point
- Copper tag
- Cable
MAINTENANCE
The flame element can periodically be removed to be cleaned or replaced.
SPECIFICATIONS: DEFLAGRATION (IN-LINE, HORIZONTAL) FLAME ARRESTER
CONSTRUCTION | |
STANDARD SIZES | 1” to 12” / DN25 to DN300 |
BODY/FLANGES | 1- Carbon steel 2- Stainless steel AISI 316-L or 304-L 3- Aluminium 4- Customer specificaton |
FLANGE DILLING | API Class 150, PN16, and Special |
FLAME ELEMENT | Stainless steel AISI 316 –L or 304-L |
O-RING SEAL | Nitrile, Special |
SCREEN | Stainless steel |
WEATHER HOOD | Carbon steel, Stainless steel or Aluminium |
PAINT FINISH | 1) Powder Coating (Colour: RAL 9006) 2) Epoxy Paint (Colour: RAL 9006) 3) Customer Specification |
ATEX CERTIFICATION | Ex II 1/2 G IIB |
DESIGN & MANUFACTURING SPECIFICATIONS | |
The size of the vent should be calculated in accordance with API Standard 2000 (ISO 28300) - Venting Atmospheric and Low-Pressure Storage Tanks or other international standards. |