Riegler Main Catalog Compressed Air Technology and Pneumatics Page 933
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INFORMATION / TABLES ENERGY EFFICIENCY – DETERMINING LEAKS IN COMPRESSED AIR SYSTEMS Existing compressed air systems frequently show enormous optimisation potential. This can lead to significant cost savings and at the same time contribute to the protection of resources and the climate. In Germany alone 62,000 installed compressed air systems annually consume 14 billion kWh of electrical energy. At least 15% to 20% of this could be easily saved. (Source: Fraunhofer Institut, Karlsruhe). COST DISTRIBUTION OF A COMPRESSED AIR SYSTEM 21% Energiekosten 3% Investitionen Wartungskosten 76% A large part of these costs occur from leaks in the compressed air system. The air “escapes” unused. The energy costs to compensate for the resulting compressed air losses are considerable. ANNUALLY OCCURING COSTS DUE TO LEAKS: Hole Air loss/second Air loss/year Costs/year in on 6 bar on 12 bar on 6 bar on 12 bar on 6 bar on 12 bar mm (l/s) (l/s) m3/year m3/year Euro Euro 1 1,2 1,8 34.560 3 11,1 20,8 319.680 5 30,9 58,5 889.920 51.840 691 1.037 599.040 6.394 11.981 1.684.800 17.798 33.696 Source: VDMA Calculation based on: Compressed air system 8000 h/year in operation Assumed costs 0,02€/Nm3 USING THE LS 250 ULTRASONIC LEAK TESTING DEVICE EVEN THE SMALLEST LEAKS CAN BE LOCATED QUICKLY AND EASILY (CATALOGUE PG. 185) 933
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