242 TECHNICAL INFORMATION LOAD CALCULATION EXAMPLES 1. SUSPENSION ELEMENT RESISTANCE CALCULATION When designing pipe support systems, the basic aspects of the theory of strength of materials must be taken into consideration. To calculate the fixing of pipes in the system being designed, the weakest element has to be taken as a reference. Service loads PVC pipe Ø 125 mm + fluid (distance between supports: 1 metre) = 12,76 kg/m * Components’ resistance *Check data in technical sheets at indexfix.com and INDEX catalogue. The weakest element is the pipe clamp ABRI125, with a recommended resistance of 200kg. Therefore, the support system for the pipe clamp. is safe.. Service load <_ Recommended resistance 12,76 kg <_ 200 kg Base material Anchor Suspension element Clamp Pipe 5 4 3 2 1 Fixing elements 5 4 3 2 1 Loads and resistances Service loads Components’ recommended resistance Pipe weight + Fluid weight <_ HE-NO DIN-975 AB-RI Element Characteristic strength * Safety coefficient * Recommended resistance * Drop in anchor HENOM8 8,30 N CS steel failure 2,16 CS load increasing 1,4 279 kg Threaded rod 975ZM8 15.400 N CS steel failure 1,25 CS load increasing 1,4 897 kg Pipe clamp ABRI125 - - 200 kg
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