Removing a flame arrestor and replacing with custom air filer boats dont operate in dusty conditions. Following discussions with a number of major offshore operators, elmac has discovered that flame arresters essential pieces of safety equipment are often overlooked during planned maintenance and shutdown periods. Endofline flame arrester for easy maintenance description the protectoseal series 860 flame arresters are installed where it is not necessary to conserve vapour but where low flash point solvents must be protected against fire and explosion from external sources of ignition. Health and safety law requires that plant and equipment is maintained in a safe condition. Our flame arrester operation and maintenance manuals are available for all of our various models and series of flame arresters so that no matter the model that you or your company owns, you will have convenient access for valuable flame arrester installation, cleaning, repairs and general maintenance of your flame arrester. It describes the different categories and types of flame arrester, the criteria for selection, and maintenance requirements. Limiting the spread of an already occurred explosion. Protect your process with the proper flame arresters p figure 1. Email our sales department for further information by clicking here or click here to send us an online enquiry. The equipment quenches flame propagation through independent passive operation and allows for free vapour flow. Extra costs for ultramaintenancefriendly flame arresters will be recovered within a short service period. Some times bilge blowers can not keep up with all the fumes of a fuel line leak or a flooding carburator after shut down. Combination conservation vent and flame arrester 212 sizes pressure and vacuum relief, as well as positive flame stop on low pressure tanks containing flammable liquids or. I have a few flammable storage tanks with flame arrestors on the vent lines.
Enardo flame arrestors use spiral wound, crimpedmetal ribbon flame cell elements to inhibit flame propagation by absorbing and dissipating heat. There is an enormous variety of situations in which flame arresters are applied. Whether you are looking for gas meters for accurate gas measurement, gas chromatographs for gas analysis or measurement and evaluation software for device analysis and documentation. These protego flame arresters are particularly suited to applications where more frequent maintenance of the flamefilter is required e.
Our portfolio includes inline, free vent, deflagration and detonation flame arrestors. Series 60 warden westech series 60 inline detonation arrestors are tested in excess of existing standards, complete testing through the flame profile curve. Such services include help with project design, supervision of a customers installation, user training, startupcommissioning assistance, periodic maintenance, and. Army tm 9611560412 navy navfac p863312 2 test a remove 120 v ac switch, figure 311 in accordance with step 1, above. Friends, i am working on open drain system, brief description is as follows. A flame arrestor is only there to stop the flame of a nasty backfire from igniting any fuel vapors outside of the wire screen in the engine area. Elmac flame arresters comprise an element and housing suitable for installation into. Flame arrester maintenance elmac elmac technologies.
New tests show flame arresters can stop gas can explosions. In a confined space, the heat and pressure generated from the flame remains confined. The equipment quenches flame propagation through independent passive operation and. Connection sizes range from 34 inch up to 36 inches. It is therefore used to prevent flashback into cylinders or pipework.
An atmospheric deflagration occurs in the open air. The 94307 not only provides exceptional protection against propagation of fire, but also offers maximum flow capacity. Westech flame arrester series 60 westech industrial ltd. If a flame arrester or other important safety device is in a location where required inspection and maintenance is difficult or impossible, report the problem to your management so it can be corrected. It is specifically designed to prevent liquid accumulation in. Protego technology leader for flame arresters and tank vents. Protego brand flame arrestors include innovations that simplify routine maintenance like fast disassembly, and flame filter disks that are made of stainless steel, and only. The protectoseal bidirectional inline deflagration flame arrester should be inspected if excessive pressure drop, at some known flow rate, is encountered. The manufacturer, protego, on its manual, mentions that basically flame arrester is free of maintenance. Are there any requirements to verify the arrestors are not plugged.
Flame arrester installation, maintenance and cleaning manuals. Spreadsheet software can be used to build integrated process and economic models that provide. Flame arresters are designed to allow the flow of gases and to prevent flame transmission. We offer numerous flame arresters which can be applied for different situations. Flame arrester installation and maintenance by elmac technologies knitmesh technologies. Hydrogen inline flame arrester newly introduced oil, gas. Feb 16, 2009 we just installed new flame arrester from protego. Enardo flame arrestors use spiral wound, crimpedmetal ribbon flame cell elements to inhibit flame propagation. A series of sturdy, round plates are assembled on aligning bolts within the housing.
Flame arrester installation and maintenance by elmac. Deflagration flame arresters are used to protect stored or process media from deflagrations. Flame arresters are used to stop the spread of fire, limit the impact of an explosive event or confine a fire. Continuously contaminated open cco drain header collect the drains from sources such as flange leakages, pump seals, pump base plates, sample points through tundish collection points. A flame arrester also spelled arrestor, deflagration arrester, or flame trap is a device that stops fuel combustion by extinguishing the flame. Ensure equipment is tagged out in accordance with chapter 1, section iii.
Removing a flame arrestor and replacing with custom air filer. Inline deflagration flame arrester be inspected at each regularly scheduled facility maintenance period or, at a minimum, annually. Selecting a flame arrester a flame arrester is a protective device. A flashback arrestor should not be confused with a nonreturn valve, which has no particular flame stopping properties. To avoid death or injury to personnel, no electrical component will be worked on while energized.
Combination conservation vent and flame arrester 212 sizes pressure and vacuum relief, as well as positive flame stop on low pressure tanks containing flammable liquids or solvents having a low flash point. There are two types of liquid product detonation flame arrester for use in liquid product lines. A flame arrester also spelled arrestor is a device which allows gas to pass through it but stops a flame in order to prevent a larger fire or explosion. Dfc hydrogen inline flame arresters are newly developed as an expansion of this manufacturers inline deflagration arrester range dfcs development and availability as an inline design supports current growth in hydrogen production and storage for new fuel system technologies, notes its manufacturer. It is specifically designed to prevent liquid accumulation in the tube bank assembly. A flame arrester is a device which allows gas to pass through it but extinguishes a flame in order to prevent a larger fire or explosion. Westech flame arresters westech industrial has been working in the petrochemical industry for over 50 years and is a leading manufacturer of inline deflagration and detonation flame arresters. Deflagration flame arrester model 7598 allied valve inc. Flame arrestor selection guide choosing the proper flame arrestor is critical to the safety of equipment and personnel. Describe flame arrestor operation and maintenance february, 2001 page 2 of 38 human development. Flame arresters which are devices which allows gas to pass. If an ignition source outside the tank is encountered, the flame arrester provides protection for the tank contents. Discover our software for sizing and selection of our devices.
Service by operator now possible also for larger diameters. Flame arrester also spelled as flame arrestor is a device fitted to the opening of an enclosure or to the connecting pipe work of a system of enclosures and whose intended function is to allow flow but to prevent transmission of a flame according to the oxford english dictionary there is no correct spelling as both versions are valid. Interchangeable elements minimize downtime for maintenance. Flame arresters in an ultramaintenancefriendly design. Overview of flame arrester piping engineering knowledge base. I am responsible for setting up a replacement or pm schedule. A deflagration flame arrester can be used on the top of a tank or as an inline safety device where combustible gases are transported through low pressure pipe lines. Maintenance of flame arrestors posted in safety and chemical processing incidents. Describe flame arrestor operation and maintenance february, 2001 page 5 of 38 human development. The guidance is aimed primarily at managers, supervisors and technical workers. Design and light weight of unit permit easy, convenient handling for inspection, installation and maintenance. Measures should be taken, where practicable, to prevent the flammable atmospheres forming by using containment, process control or ventilation. Flame arrester element geometry maximizes flame quenching capability while minimizing pressure drop proven spiralwound, crimped ribbon, flame element provides reliable flame protection modular design allows easy and costeffective flame bank maintenance. Valve and flame arrester combo model 8800a allied valve.
Flame arrester also spelled as flame arrestor is a device fitted to the opening of an enclosure or to the connecting pipe work of a system of enclosures and whose intended function is to allow flow but to prevent transmission of a flame. The bidirectional inline deflagration flame arrester. Safety protect your process with the proper flame arresters. Elmac technologies pressure protection in addition to our innovative range of patent protected flame arresters, elmac technologies offers a comprehensive range of pressure relief valves and protection equipment designed to safeguard tanks and vessels, in under or overpressure scenarios, during both normal and emergency operating conditions. Extra costs for ultra maintenance friendly flame arresters will be recovered within a short service period. Figure 2 flame arrestor applications vapor oil vapor. Regular maintenance, including frequent inspections, cleaning, and occasional part.
Technical information about flame arresters and tank vents. Flamedetonation arrestors are passive safety devices designed to prevent the propagation of flame fronts back through lines and piping configurations, and between combustion units and tanks. Flame arrestors should be installed wherever flammable vapors, such as those encountered in waste gas lines or incineration system piping, may become ignited. Combining a flame arrester with a pressure vacuum relief valve can lead to reduced flow or even severe chattering in high flow relief scenarios when protection is needed. Protego flame arresters in a highly maintenancefriendly design this design prevents the flamefilter discs from being damaged or misaligned during assembly or maintenance. Of the seven designs that failed, two were metal flame arrester mesh designs included in metal gas cans currently marketed and sold as safety cans. Protego flame arresters are used wherever gases or vapors are explosive and liquids are flammable. Protego flame arrester and conservation vents braunschweiger flammenfilter gmbh 11,891 views 0. Rmg components at a glance you will find the suitable devices and applications for your requirements. Jul 16, 20 there is also a potential of insect nests on the narrow slots of the flame arrester which can clog the flame arrester and lead to a potentially dangerous backpressure buildup. When correctly installed, the devices will extinguish flame fronts travelling from either direction. Body material of arrester is available for nodular cast iron, cast steel, stainless steel grade 304, 316, 316l and special alloy steel for chemical resistance. Stabilized burning is an even, steady flame that is stabilized at or near the flame arrester element. Flame arresters, flame arrestors elmac technologies.
All elmac technologies flame arresters are supplied for specific explosion groups and applications. This guide was prepared to help provide a basic understanding of. Protectoseal 860 endofline rectangular plate flame arrester installation and maintenance guide pdf, 629. A flame or flashback arrestor is a safety device designed to stop a flame in its tracks. Fabricated oceco type e21 flame arrestors are designed for special applications where corrosion, high flow capacity and minimal pressure losses are a consideration.
Make sure that flame arresters in your plant are inspected and maintained as recommended by your plant engineers and the manufacturer. Enardo dfa series detonation flame arrestors emerson us. These arrestors are bidirectional and are proven to stop an ignited flammable vapor mixture approaching. Flame arresters are designed to prevent catastrophe. Flame arresters in piping systems has been extensively rewritten and updated from the previous edition. Appendices to the document are intended to provide additional supplementary information. The series 4950 ventline inline flame arrester employs the circularplate, preciselyspaced, type flame arrester to protect tank contents by preventing the propagation of fire into the tank. Detonation flame arrester the protectoseal company invented the safety.
New protego flame arrester unit unique maintenance friendly design. The design is unique with larger flame channels that limit plugging and make cleaning easier. A prevolume deflagration takes place within a confined volume. Are arrestors generally built so that they can be easily dismantled. Flame arrestor requirement on open drain vessel posted in industrial professionals. The model fa inline flame arrester is designed, manufactured and tested according to api 2000 and en 12874. The flame arrestor is all you need to run your engine for many years to come. Flame arrestor requirement on open drain vessel industrial. Deflagration, inline flame arrester in line deflagration arresters suitable for a variety of industries and applications end of line deflagration flame arresters suitable for a wide variety of industries and applications and are suitable for iia, iib3, and iic gas groups. Enardo detonation flame arrestors provide protection against flame propagation in piping systems that are manifolded or have long runup distances. Inline detonation flame arrester unstable detonation arresters, equipped with replaceable elements, and suitable for a. All westech arresters are tested for actual field conditions not mandated by existing standards, including momentum impulse longrun stable detonation, thermal failure and reignition of downstream unburned gases providing.
A flame arrester is a device that forces a flame through a channel thats too small to allow it burn, thus extinguishing it. Elmac technologies,flame arresters offshore technology. Software for sizing of flame arrestors, pressure vacuum relief valves and tank hatches. Flame arresters arrestors, endofline, pipe vent barton. Only if regular monitoring and periodic inspection maintenance can be ensured should a flame arrester be installed. Maintenance of flame arrestors safety and chemical. They are shipped with comprehensive installation and maint.
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