NieRuf GmbH
Nieruf valves supplier for fittings, flanges, gaskets, and measuring technology for industrial piping for fluid water, steam, gas and oil.
Code and standard: EN 14917
EN 14917 Metal bellows expansion joints for pressure application
EN 14917 specifies the requirements for design, manufacture and installation of metal bellows expansion joints with circular cross section for pressure applications with maximum allowable pressure greater than 0,5 bar.