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Signalling_Catalogue_S2_2014
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Signalling_Catalogue_S2_2014 - 1

Clifford &Snell R. STAHL Am Bahnhof 30 74638 WALDENBURG · GERMANY T +49 7942 943-0 F +49 7942 943-4333 info@stahl.de www.stahl.de Hazardous and Industrial Audible and Visual Signals Sounders | Beacons | Combinations Manual Call Points

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Russland / Russia OOO R. STAHL Zvyozdnyi boulevard 21 Building 1 129085 MOSKAU T +7 495 6150 473 F +7 495 6163 252 info@stahl.ru.com http://www.stahl.ru.com Schweden / Sweden R. STAHL SVENSKA AB Bagspännarvägan 14 17568 JÄRFÄLLA T +46 8 3891-00 F +46 8 3891-98 info@rstahl.se Schweiz / Switzerland R. STAHL Schweiz AG Brüelstraße 26 4312 MAGDEN T +41 618 5540-60 F +41 618 5540-80 info@stahl-schweiz.ch www.stahl-schweiz.ch Serbien und Montenegro / Serbia and Montenegro KEYING d.o.o Vuka Karadžica 79 23300 KIKINDA T +381 230 439 519 F +381 230 401 790 keying@keying.co.rs Slowakei / Slovakia...

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Contents General Information Contents The R. STAHL Technology Group Clifford &Snell Worldwide Success with Competence and Customer Support | Terms of Sale and Delivery | Pictograms | WebCode | Tone Table Basics of Explosion Protection Explosion Protection | Classification of Zones | Groups | Ignition Temperature and Temperature Classes | Types of Protection | Marking Hazardous Area Contents Combination Audible and Visual Signalling Devices Explosion Proof Audible and Visual Alarm | Intrinsically Safe Audible and Visual Alarm Audible Signalling Devices Flameproof Audible Alarm | Explosion...

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General Information General Information

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Clifford &Snell 0 The R. STAHL Technology Group R. STAHL - The Expert in Explosion Protection Clifford & Snell - Brand of the R. STAHL Technology Group Innovative Technological Leader Leading Role Worldwide Terms of Sale and Delivery Note Pictograms WebCode Tone Table Basics of Explosion Protection Explosion Protection Classification of Zones Groups Ignition Temperature and Temperature Classes Types of Protection Marking General Information

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R. STAHL Technology Group Worldwide Success with Competence and Customer Support Clifford &Snell Worldwide Success with Competence and Customer Support 0 R. STAHL - The Expert in Explosion Protection R. STAHL is a global provider of products, services and systems in the field of explosion protection. Wherever combustible gases, vapours, mists or dust may be present, products made by R. STAHL are of the finest quality and the number one choice for explosion protection equipment. Industries which include oil & gas, chemical, pharmaceutical, shipbuilding, food and distilleries, as well as...

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R. STAHL Technology Group Worldwide Success with Competence and Customer Support Clifford &Snell Leading Role Worldwide Besides innovative capacity, the proximity to customers is a decisive competitive advantage. With subsidiaries in more than 20 countries and more than 60 representations around the globe. So global sales, customer service on site and handling of international projects is guaranteed. Furthermore, the company gets a better sense for the market-specific customer needs and can orient products and services to their requirements. Terms of Sale and Delivery All deliveries are...

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R. STAHL Technology Group Pictograms and WebCode Pictograms and WebCode Clifford &Snell Application of the Pictograms Ex Symbol for all devices in explosion-protected design Offshore for all devices that are suitable for offshore applications. When the materials are selected special importance is put on the harsh conditions of seawater atmosphere. Shipping for all devices with ship approval Low temperature for all devices that may be used in temperatures below -20 °C High temperature for all devices that may be used in temperatures higher than +40 °C WebCode XXXXXXX WebCode By entering the...

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R. STAHL Technology Group Tone Table Tone Table General Information

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Basics of Explosion Protection Explosion Protection / Classification of Zones Clifford &Snell Explosion Protection / Classification of Zones 0 Flammable gases, mists and dusts, together with oxygen, form explosive atmospheres. If such an atmosphere is ignited, an explosion result, which may cause serious damage to personnel and equipment An explosion can only take place if the following factors are jointly active: • flammable substance (gas, vapour, mist or dust) in a suitable distribution and concentration • oxygen (from the air) and • ignition source concentration of air ignition range...

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Basics of Explosion Protection Groups Clifford &Snell Groups General Up to now explosion-protected equipment has been divided in two groups: Equipment group I: Equipment for use in firedamp mines, Equipment group II: Equipment for use in potentially explosive areas, excluding mines. Electrical devices for mines, where, additionally to firedamp, proportions of gases other than methane may occur, have to fulfil the requirements for group II as well as those for group I. Devices of group II are further divided, depending on their intended field of application, into devices for areas that are...

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Basics of Explosion Protection Ignition Temperature and Temperature Classes Clifford &Snell Ignition Temperature and Temperature Classes Ignition Temperature and Temperature Classes General Explosive gases Ignition temperature of a combustible gas, vapour or dust is the lowest temperature of a heated surface which may ignite the gas/air or vapour/air mixture. It virtually is the lowest temperature at which a hot surface may ignite the respective explosive atmosphere. Combustible gases and vapours are classified in temperature classes according to their ease of ignition (see “Temperature...

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Basics of Explosion Protection Types of Protection Clifford &Snell Types of Protection In areas in which an explosive atmosphere may still be expected despite the implementation of prevention measures, only explosion-protected equipment may be used. Electrical explosion-protected equipment can be designed in different types of protection, pursuant to the construction regulations of standard series IEC 60079. For some types of protection there are several protection levels. These correspond to the equipment categories pursuant to Directive 94/94/EC or to the equipment protection levels EPL...

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