Fainger engineering provides responsive solutions for the safety and protection of capital equipments through customized vapour control and level monitoring systems. Kg hamburg datasheet product info metric unit us unit key feature proportional inline safety valve proportional inline safety valve nominal diameter inlet dn 15 dn 150 12 6. Since reliability is directly related to the complexity of the device, it is important that. Leser is a mediumsized, familyowned company, backed up by almost 200 years of tradition.
Safety valves pdf the primary purpose of a pressure relief valve is protec. Leser compact performance safety valves cover a large variety of types, materials. Tuv nord and other classification and inspection organisations perform daily inspections at leser. Safety valves and its application requirements rev2. Leser is a headquartered in hamburggermany and maintains a stateoftheartfactory. Leser api 526 series relief valve leser type 821 pilot operated relief valve. Leser safety valves used by leading companies worldwide see below. The company started in germany in 1818 as a brass foundry and developed a product portfolio of components of mechanical equipment and machines during the industrial revolution. The outlet side of the safety valve is open to atmospheric pressure. Learn interesting facts and information on safety valves. With more than 800 employees, leser is the largest manufacturer of safety valves in europe an.
Fl 549 6 604 fainger leser april 2006 assembly of a spring loaded safety valve 18 85 86 9 60 8 60 2 61 1 7 57 14 16 42 75 2 4 41 44 90 43 83 80 45 79 75 19 inlet body outlet chamber. Safety valve a pressure relief valve actuated by inlet static pressure and characterised by rapid opening or pop action. We are currently seeking self motivated, talented individuals with a minimum of 5 years experience in valve applications. Once a condition occurs that causes the pressure in a system or vessel to increase to a dangerous level, the pressure relief valve may be the only device remaining to prevent a catastrophic failure. Leser high efficiency safety valves of type 811 are designed, marked, produced and approved according to the requirements of the following regulations. That ensures lesers commitment to your safety valve requirements. The api product group represents full range of spring loaded safety valves acc. Air gas compressors and pumps technical gases and co.
Valve type fl 549 series 6 fainger leser april 2006 sizing calculations acc. When the pressure exceeds preset limit, the valve may automatically unload. Safety valves are primarily used with compressible gases and in particular for steam and air services. Assembly of a spring loaded safety valve 18 85 86 9 60 8 60 2 61 1 7 57 14 16 42 75 2 4 41 44 90 43 83 80 45 79 75 19 inlet body outlet chamber. The combination of a leser safety valve and bursting disc combines the. Leser offers safety valves for the upstream exploration, production and transportation and downstream cracking oil and gas industry. Fainger leser r2 2007 fl549 safety valves from leser. Their safety valves are used by leading companies in industries such as chemical, petrochemical, industrial gases, oil and gas production, and machine building, as well as the food and pharmaceutical industry. This site uses thirdparty website tracking technologies to provide and. Leser api safety valves offer ultimate protection against overpressure in all applications for steam, gases and liquids.
Products we carry leser safety relief valves at advance valve. Leser safety valves for every industrial application. Now every safety valve is delivered within 4 daysincluding the required inspections and documentation even overnight if necessary. If you meet this brief we would be interested to hear from you. Major companies in the chemical, oil and gas, petrochemical, energy, technical gases, lnglpg, pharmaceutical, food and beverage, shipbuilding and heating and air conditioning industries use. Since pressure relief valves are safety devices, there are many codes and. Typical applications for leser high performance safety valves are. Maintenance fundamentals of leser safety valves terminology. Type 526 flanged safety relief valves spring loaded contents chapterpage materials. An innovative safety solution for overpressure protection. Flanged safety valves that meet all the requirements of api 526 such as standardized orifices and centerto face dimensions.
Typical applications for leser compact performance safety valves are. Leser safety relief valves leser safety relief valves, proquip 4 mark rd. For the safety device, it is necessary to provide best result, also in the difficult conditions. Leser high performance safety valves are the ultimate solution for all industrial applications for steam, gas and liquid. Engineering is the technical manual for safety valves from leser. Item component remarks type 4593 type 4592 type 4594. Leser offers springloaded and pilotoperated safety valves for all industrial applications according to the pressure equipment directive and asme viii. Their safety valves are developed for the international market at our headquarters in hamburg. Pressure valves according to api 526 with standardized capacities and dimensions. Leser safety valve 2012 price guide us cvi solutions glossar leser option codes. Select according to the filter options to quickly access your information or browse through the documents.
With a large quantity of valve sizes, pressure ranges and product options, they have proven themselves as a universal safety valve for many applications. Lesers critical service valves are spring loaded safety relief valves developed in close cooperation with plant engineers and service specialists to protect highly corrosive processes and installations against inadmissible overpressure. Safety valves for food, beverage and pharmaceutical applications. Leser compact performance safety valves of type 459 are designed, marked, produced and approved according to the requirements of the following regulations. Leser modulate action safety valves of type 431 433 are designed, marked, produced and approved according to the requirements of the following regulations. The core business is the safety of pressurized facilities. A primary pressure containing component in a safety valve that forms a.
Technical specifications type 811 nominal diameter at inlet dn 25 dn 200 1 8 orifice api standard as well as extra orifice. Darshan valves manufacturer and exporter of differential safety relief valves like leser type safety relief valve, asme safety relief valve, water safety relief valve in india. Heaton valves africa uses lesers state of the art valve sizing software program valvestart for valve selection and has its own test rigs for valve setting and calibration. Compared to standard full nozzle safety relief valves with high alloy trim, type 447 provides for a.
Download the file of the desired product group and find all the information in one pdf. Leser api flanged safety relief valves type 526 westech. Safety relief valves series 437 series 459 the safety valve. Leser type 441 api 526 standard steamgas 1 11 2 2 3 4 50,0 100,0 150,0 200,0 250,0 0,0 capacity compared to api 526 % api 526 leser 441 nps. Leser safety valves leser is the largest manufacturer of safety valves in europe and a market leader worldwide. Leser api safety valves of type 526 are designed, marked, produced and approved according to the requirements of the following regulations. This is a general term, which includes safety valves, relief valves and safety relief valves.
Leser high performance safety valves of type 441, 442 din are designed, marked, produced and approved according to the requirements of the following. Engineering the technical manual leser the safety valve. The extensive collection offers you information for almost all areas around the safety valve and is aimed at both occasional and advanced users. Apr, 2018 the safety valve company leser specialises in fast production and delivery of bespoke valves through its ontime round the clock order service. This installed base guarantees reliability for customers. Leser sells, produces and develops safety valve for all industrial applications. It operates according to worldwide leading codes and standards, such as api, asme viii or ad 2000merkblatt, while considering the entire product range of leser. Leser can upgrade materials without notice for nozzle and disc machined from the bar a short lead time is possible. The nanotightness exceeds the requirements for func. All components of critical service safety valves are made with. When the pressure drops below preset limit, the valve may automatically close to protect people and equipment.
Leser recommends that maintenance and repair be carried out by a larc leser authorized repair center. Safety relief valves series 437 series 459 relevant. Click on engineering and you will find all the information in one pdf. With almost 200 years of experience, leser ranks among the pioneers of mechanical engineering in germany. Safety valve with medium capacities and a large proportional opening range. Only 30 years later in 1885 leser presented its first safety valve and since then. Safety valves act as a failsafe for reciprocating plunger pump, pressure vessel and testing lines, etc. Safety valve, actuator, control unit improves the opening and closing characteristics of a safety valve. Maintenance the maintenance manual leser the safety.
During the last years leser has constantly shortened its delivery periods. Leser is a privately owned company that is totally focussed on design and manufacturing of one product. Universal valve for many applications up to dn 400 16. C, kenilworth, nj 07033 9732530100 is a leading sales representative distributor of process control products and services to the power, oil refining, industrial gases, chemical, food. Series 441 protection of chemical processes and equipment e. Assisted safety valve a safety valve which by means of a powered assistance mechanism, may additionally be lifted at a pressure lower than the set pressure and will, even in the event of a failure of the assistance mechanism, comply with all the requirements for safety valves given in the standard. Valvestar is a unique software used to size and calculate a leser safety valve. Leser is the largest manufacturer of safety valves in europe and a market leader worldwide. The openclose pressure is controlled by spring washer.
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