SAPAG CLASAR® Check Valves, available in sizes DN80 to DN1800 (3" to 72"), are designed for unidirectional flow and operate efficiently under maximum pressures up to 50 bar and temperatures ranging from -30°C to 130°C. These valves come with wafer and double flange end connections, compatible with PN6/10/16/20/25/40 and Class 150/300 standards. Approved by ACS and SCP, they are ideal for sea water networks, water distribution, and general industrial applications.