Since 1983, ERGIL, through its ERGIL StorageTech™ brand, has supplied the oil, petrochemical and chemical industries with high quality tank storage safety equipment. From a modern manufacturing plant in Mersin, Turkey, ERGIL StorageTech™ produces a range of pressure relief valves (PRV), vacuum relief valves (VRV), pressure and vacuum relief valves (PVRV), vents, and sampling and vent hatches. Designed to safeguard the integrity of storage vessels, the pressure relief valves restrict the loss of environmentally damaging vapour by minimising the period that the valve is open for the tank pressure to fall within its maximum operating boundary. ERGIL StorageTech™ offers a range of flame arresters that includes end-of-line and in-line flame unit for both deflagration and detonation service. These units prevent the risk of fire affecting the contents of storage tanks and pipelines.
The Company operates accredited management systems to guarantee its products are manufactured in accordance with international standards, and to maintain quality and materials traceability which leads to customer satisfaction and products that function safely. These include ISO 9001:2008 – Quality management systems, ISO 14001:2004 – Environmental management systems, and OHSAS 18001:2007 – Manual for occupational health and safety system. Engineering standards in place include the ASME U-Stamp Boiler and Pressure Vessel Certification, CE marking, and ATEX certification relating to Directive 94/9/EC – Equipment and protective systems intended for use in potentially explosive atmospheres.
What is a Flame Arrester ?
Flame and detonation arrester, although similar in construction, serve two very distinct purposes. Here answers some of the most common questions asked about flame and detonation arresters. Flame arrester is safety device that is used on the pipeline or end of the line to block any fire or explosion passage through the line. There are mainly two types of flame arrester; detonation and deflegration. Detonation flame arrester is designed to over come any sudden explosion impact in the pipeline, whereas deflegration is flame arrester is designed to block any fire flame in a particular location to stop fire to travel in the pipeline freely. Ergil StorageTech® technical team is experienced to choose which type of flame arrester is required for particular application. Even though there are many factors to choose, mainly location, product stored, and pipeline / piping design plays important role.
What is an In-line Flame Arresters?
Sometimes it is desirable to install flame arresters in the middle of a long pipeline. They are particularly suited for installation inside a tank house where vent pipes or lines are extended through the tank house roof or walls to the outside. Locating the unit inside eliminates difficult inspections on the storage tank roof and protects the vent from freezing of condensate. Combustion in a pipeline can readily make the transition from deflagration than detonation; in the case of some designs a detonation can be stopped, whereas a deflagration may pass through. Therefore, an in-line flame arrester must withstand and stop both types of combustion from both downstream and upstream in a pipeline. Since the pressures developed in the combustion can be high, the in-line arrester and pipeline must be properly designed,constructed and tested. The flame arrester element itself must be capable of withstanding substantial pressure differentials in both directions as a result of the combustion.
What is an End-of-line Flame Arrester ?
This type of flame arrester is installed on low pressure storage processing tanks,bleed tanks, or other waste gas devices. Normally, they are installed on a vent nozzle mounted on a tank that is discharged directly into atmosphere. They can also be incorporated as integral parts of conservation vents installed on atmospheric storage tanks containing flammable liquids. It should be noted that flame arresters are not always necessary as part of conservation vents. The gases produced by vaporization of many flammable liquids have similar flame speeds when mixed with air. Typical of these are gasoline,jet fuel,benzene,plastics monomers,and organic solvents. Often the pressure drop across the vent valve of a conservation vent is ¾ inch (17mm) of water or more. In this case, the velocity of the gas flow through the vent-valve opening will be higher than the speed at which the flame can propagate upstream through the opening.
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