Sf 6 reuse program is now fully operational and is demonstrated through a case study of the first quantity of used sf 6 gas taken back for reclaiming from american electric power. Sf 6 is expensive and is also a powerful green house gas 20,000 times more potent than co 2. Shipment of flammable gas samples in gas bags note. Sf 6 has an octahedral geometry, consisting of six fluorine atoms attached to a central sulfur atom. Use for manufacture of electronicphotovoltaic components. Sulfur hexafluoride 100 2551624 ingredient name % cas number there are no additional ingredients present which, within the current knowledge of the supplier and in the. Testing sf 6 gas for impurities will therefore indicate potential issues with the switchgear decomposition products arise during operation of sf 6 gasinsulated switchgear through arcing in moist or impure sf 6 gas. Permanently mounted high capacity, high vacuum pump. New 1 day intensive sf6 handling and certification programme. Direct contact with the liquefied material, compressed gas, may cause frostbite injury.
Let match your sourcing needs with suitable sf6 gas suppliers, exporters and manufacturers. Therefore, a new material safety data sheet was generated with a new product name and the product classification was revised to reflect the compositional limits for the used sf 6 gas. Situations 1 and 1 arise mainly with respect to highvoltage equipment and may arise with mediumvoltage gis equipment in particular if it is required to add further equipment to an existing switchboard. He joined the same year merlin gerin group, in hv transmission. The decomposition products of sulfur hexafluoride sf6.
Concorde specialty gases is the leading global supplier of sulfur hexafluoride gas sf6 gas and many other rare and specialty gases for industrial, commercial, medical and consumer applications. It has been used extensively in high voltage circuit breakers and other switchgear employed by the power industry. This is exactly why sf6 gas density monitoring is a necessary component in providing a safe and secure working environment. Sulfur hexafluoride revision date 01182018 p000000208 version. Alternative gas performances are compared with those of sf6 and the best gases are selected for the next steps of validation. Additionally, it is used for the filling of insulated windows and for the casting of magnesium.
Sulfur hexafluoride sf6 safety data sheet sds p4657 praxair, inc. Sf6 properties, and use in mv and hv switchgear ect 188 updated february 2003 d. Sulfur hexafluoride, sf 6, is used around the world as a dielectric medium for highvoltage circuit breakers, switchgear, and other electrical equipment. The device is compact, selfcontained and userfriendly. Abb launches the firstever sf 6 recycling center sf 6 and a world first. It has no ecotoxic potential, it does not deplete ozone. Samples of the gas must be obtained or the gas pressure measured through temporary connection of measuring apparatus. Safety data sheet sulphur hexafluoride section 1 linde gas. The portfolio has expanded to include advanced technical solutions, environmental services, and equipment which is available for purchase or rent. Fbx adjustment of sf6 pressure schneider electric belgie. Sulfur hexafluoride sf6 gas is an inert insulating gas of high dielectric strength and thermal stability, often used in the power sector for insulating high voltage lines, circuit breakers, transformers and other switchgear equipments.
Testing the gas for impurities will therefore indicate potential issues with the switchgear. This gas is completely nontoxic, however it can displace the amount of oxygen in the air, acting as a simple asphyxiant. Used sulfur hexafluoride from electrical installations. Gas in switchgear sf 6 was discovered around the turn of the century and, by the 1950s, the u. This document provides basic guidance on the safe storage and handling of compressed gas cylinders. Fit the seal in position, then screw on the pressure reducing valve light tightening, by hand. Refilling equipment necessary an sf6 gas bottle a pressure reducing valve equipped with a connecting hose for a schrader automatic valve see detail opposite a pressure gauge manometer with the same connector as above this instruction manual this refilling kit can be supplied to order. Portable sf6 gas density monitors gas density monitoring. Importance of measuring dew point temperature of sf6 gas. Sulfur hexafluoride is a sulfur coordination entity consisting of six fluorine atoms attached to a central sulfur atom. Sulfur hexafluoride is slightly soluble in oil and water.
Due to its low toxicity, thermal stability and high breakdown strength. General properties of sulphur hexafluoride sf6 fluorocarbons. Jan 02, 2019 sf6 or sulfur hexafluoride gas molecules are combined by one sulfur and six fluorine atoms. Loosen and remove the protective nut from the orifice of the gas output 30 mm openended spanner. However in electrical switchgear the sf6 gas is always used in gastight compartments, greatly minimising leakage. Arguably, the defacto standard instrument for the australasian power industry. This case study was made possible with the valuable assistance of aga gas, inc. Commercially available sf6 is not dangerous, and so is not subject to the hazardous substances order or technical regulations on hazardous substances new sf6 gas must comply with iec 60376 vde 0373 part 1. Release of sf6 gas into the atmosphere during maintenance work or an accident must be reduced, tracked, and reported to the epa. With our nohaz kits you do not need a hazmatcertified staff member to legally and properly ship your samples a critical advantage for ali customers. Provide mechanical local indication for monitoring sf6 gas density in a variety of sizes including small, large and remote output. As this product is a gas, refer to the inhalation section.
Fbx 5 amtnot17302 pressure temperature diagram pressure adjustment procedure unscrew the protective cover from the sf6 gas bottle. Safety data sheet conforms to regula on eu no 2015830. Maintenance matters hints for maintenance siemens tcp highvoltage sf6 power circuit breaker thorough, periodic inspection is important to satisfactory operation. Never carry a compressed gas cylinder or a container of a gas in cryogenic liquid form in an enclosed space such as a car trunk, van or station wagon. Sf6 gas or sulfur hexafluoride gas properties electrical4u. A wide variety of sf6 gas accessories are available, including gas leak detectors, filterpurifiers, bottle heaters, and safety disposal suits. Assessment of sulphur hexafluoride sf6 gas insulation. Just fillout an rfq form and start getting quotations only from suitable suppliers.
Sulfur hexafluoride sf6 safety data sheet sds p4657. Relevant identified uses of the substance or mixture and uses advised against use of the substancemixture. Among the wide range of available gases, those from the. For additional recommendations, consult compressed gas association pamphlets p1, p14, p9, and safety bulletin sb2. The allstainless steel gscu sampling kit includes purge and sample cylinders, a customdesigned manifold, three isolation valves, a vacuumpressure gauge, lowvolume stainless steel tubing. Sulfur hexafluoride sf 6 is an inorganic, colorless, odorless, nonflammable, nontoxic but extremely potent greenhouse gas, and an excellent electrical insulator. As an example 2,000 is two to three decimal places. It is the most potent greenhouse gas currently known, with a global warming potential of 23,900 times that of co2 over a 100 year period sf6 has an estimated lifetime in the atmosphere of between 800 and 3,000 years. These guidelines need to be followed in order to protect people, property and the environment from emergencies involving gas cylinders as well as ensuring compliance with relevant legislation. Upon inhalation of sulfur hexafluoride sf6, the gas is distributed throughout the lungs. Obtaining detailed sf 6 quality information by alis isoiec 17025.
Abb high voltage service us started offering sf 6 gas management services in 1998. Cold weather operating problems with sf6 circuit breakers. Sf6 gas servicing equipment sulfur hexafluoride sf6 is an excellent gaseous dielectric for high voltage power applications. Portable sf6 gas testing unit with inbuilt gas recovery system and so 2 decomposition testing. Guidelines for use of sulphur hexafluoride sf tracer. This document describes reclamations management and safe handling procedures for sf6 gas. Safety data sheet ghs product identifier other means of identification emergency telephone number with hours of operation section 1. In order to eliminate deadair space, we have developed custom adapters that will accommodate most sampling valve configurations. Test the gas for arc byproducts if there is a possibility of an internal failure. Sf6 gas servicing equipment enervac international ulc. Section c removal of sulfur hexafluoride gas from inservice equipment.
In the year of 1937, general electrical company first realized that sf 6 gas could be used as gaseous insulating material. Although the gas is nearly ideal, it does have one major disadvantage. These kits can be used for testing new sf 6 in cylinders or inservice sf 6 from gas insulated equipment gie. Sf6 gas mandatory reporting requirements epa gather information nameplate capacities. Sulfur hexafluoride sf6 recovery generon gas solutions. Samples are typically collected within minutes and there is negligible release of sf6 to the atmosphere. Pure sf6 is of a low order of toxicity, but may act as an asphyxiant if oxygen is reduced to below 16%, as indicated by paleness and possible cyanosis blue skin. Importance of measuring dew point temperature of sf6 gas or why should measure dew point temperature of sf6 gas. Staff engineers are available to assist with individual adapter requirements. It serves frequently as a insulating gas for electrical equipment and has a high dielectric strength.
Airborne labs internationals sulfur hexafluoride sf6 test. The proprietary gscu gas sample collection unit has been designed to eliminate the need for sf6 collection devices equipped with vacuum pumps. Sf6 released into the atmosphere is considered a greenhouse gas. The data herein is reflective of the purification media, as shipped under. Details of the supplier of the safety data sheet praxair, inc. If the required gas density is not present, safe operation of the present working environment cannot be guaranteed. Using recycled sf 6 gas will help reduce carbon emissions and could result in a cost savings potential of up to 30 percent. Inspection and maintenance frequency depends on installation, site, weather, and atmospheric conditions, experience or operating personnel, and special operation requirements.
Williams were made possible by financial support from the department of primary industries victoria, dairy australia, meat and livestock australia, and the australian government. Neutral aqueous extract partition coefficient p noctanolwater. Typical dewpoint in sf6 equipment ranges from 60c to 5c. Sulfur hexafluoride sf6 is a nontoxic, inert, insulating and cooling gas of high dielectric strength and thermal stability. Airborne labs internationals sulfur hexafluoride sf6. Solvays sulphur hexafluoride is a non toxic, inert, insulating and.
Dewpoint as a func tion of the moisture content of sf6 sample from liquid phase. Characteristics of gas candidates the pure gas and gas mixtures must offer following features. Entry into the bloodstream, through, for example, cuts, abrasions or lesions, may produce. The purity of recycled sf 6 gas using the newly developed technology is about 99. You must be certified to ship hazardous goods in order to legally ship flammable gas samples if the samples collected are known to contain less than 5% methane or other hydrocarbons, they are not flammable and need not be considered hazardous for shipping purposes. We offer sulfur hexafluoride sf6 and other specialty gases at the lowest prices possible. Typical for a nonpolar gas, it is poorly soluble in water but quite soluble in nonpolar organic. Gas density is a vital operating structure for highvoltage equipment. Safety data sheet ghs product identifier other means of identification product type section 1. A leak can result in a fire, explosion, asphyxiation or a toxic exposure.
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