General catalog WGB tools 2019 Page 301
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Funkenfreies Werkzeug Non-Sparking Tools NON-SPARKING WGB TOOLS TECHNICAL INFORMATION Non-Sparking WGB Tools are designed for use in very demanding areas, where sparks mean a possible risk of fire or explosions. Further they are antimagnetic and extremely corrosion-resistant against many media. They are produced out of a non-iron-alloy (special bronze, copper-beryllium), which are highly wear-resistant. Both alloys are checked through the Federal Office for material research and examination/Berlin. ADDITIONAL MATERIAL CONTROLS Upon request we can make an additional, chargeable specific check of each tool: • X-ray control for finding blow-holes • Checking for surface cracks Non-Sparking WGB Tools are used world-wide in the following fields: PRODUCTION AND QUALITY ASSURANCE Nearly all our non-sparking tools are casted from moulds out of wood or synthetic material. The moulds are produced to precise specifications according to the DIN (German Industrial Standard) by experienced and highly qualified mould manufacturers. CASTING After the first casting, there is an extensive examination. The composition and the heating of the material, the sand moulds and the pipe have to come to an optimal casting. We record this data so that we are able to reach the ideal standard with the same conditions at every future casting. This quality assurance system ensures a high and equal quality standard. • Oil- and gas industry • Petrochemistry • Chemical industry • Pipeline industry • Defence forces (army, navy, air force) • Civil defence and disaster control • Gasworks and power stations • Tank refiner • Paint spraying shops and in all other situations, in which sparks can be a potential danger of fire and explosion. INSTRUCTIONS FOR USE Non-sparking tools have to be softer than conventional tools. For this reason the use of non-sparking tools has to be carried out with special care. Overstraining has to be avoided. The use of nonsparking tools must not be the only preventive measure in areas of fire and explosion risks. For an extensive protection of staff and equipment, please follow the instructions of your employers‘ liability insurance association. QUALITY ASSURANCE To ensure the highest quality standards of our non-sparking tools, every production run is tested according to DIN 50049.2.2. We check: • Mechanical properties (Yield point, Tensile strength, Stretching, Grade of hardness) • Chemical composition Through this quality control is ensured that our non-sparking tools fulfil the highest quality demands every time. FOLLOW-UP TREATMENT If you want to make a follow-up treatment on the tools (e.g. re-sharpening) by yourself, we would be pleased to send you our technical instructions. GUARANTEE Non-Sparking WGB Tools carry a guarantee against mistakes in material and producing. However, this guarantee does not include damages caused by an improper handling. We reserve the right to any changes in material, workmanship and design without notice. ANALYSIS OF NON-SPARKING MATERIAL Special bronze (Aluminium multi-alloy bronze) Analysis min. in % max. in % Cu Rest Rest Al 9 12 Ni 2 5 Fe 1 3 FUNKENFREIES WERKZEUG NON SPARKING SAFETY TOOLS Material Copper-beryllium Mn – 1,5 Be 1,8 2,0 Ni 0,1 0,6 Co 0,1 0,6 Cu Rest Rest Mechanical properties Strength N/mm² Yield point N/mm² Hardness Brinell 750 - 850 450 - 550 200 / 250 1140 - 1310 840 - 860 310 / 360 8,45 1,3 0,000015 % 8 / 12 8,26 1,0025 0,000012 % 8/6 10 Physical properties Specific weight Magnetic properties Heat-extension 20-200 °C Electrical conductivity THE WERKZEUG 10 | 3
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