PN [bar] 6 - 16 / 25/40 / 63 - 160
DN 10 - 350
T [°C] -20 to +550
Description: BOA-R: Flanged end non-return valve with spring-loaded check disc, maintenancefree. NORI 40, 160: Flanged or weld end non-return valve, check disc with closing spring; seats made of wear and corrosion resistant Cr steel or CrNi steel. (NORI 160: 17 %Cr-steel or Stellit).
Application: Hot water heating systems. High-temperature hot water heating systems. Heat transfer systems. General steam applications in building services and industry. Other fluids on request.NORI 40, 160: In industrial plants, building services, power stations and shipbuilding. For water, steam, gas and other non-aggressive fluids. Other fluids on request.