NIRON large diameter pipes and fittings have been installed for HVAC services in a major hospital located in Upper Midwest. The NIRON range, particularly suitable for use in large buildings and for industrial installations ensures high mechanical resistance and duration, even at high temperatures and pressures. NIRON has become a recognized and trustworthy product range and has already been installed in various schools, colleges, hospitals, senior housing buildings, apartment buildings and industrial plants where safety and efficiency are of primary importance.