Standard [CURRENT]
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This document is applicable to diffusion-tight pipes, accessories and fittings in ductile cast iron to EN 598 and to cast iron pipe systems. The document gives requirements on the contact pressure based on a risk assessment and gives a test method that simulates the penetration of a root tip into the sealing gap. The responsible national standardization committee is Working Committee NA 119-07-17-01 UA "Gussrohre (CEN/TC 203)" ("Cast iron pipes (CEN/TC 203)") at DIN Standards Committee Water Practice (NAW).