Double-disc, between-flanges, straight check valve DN150PN16 407A150C56

Double-disc check valve designed for flanged installation, this robust solution protects systems against backflow. The DN150 PN16 model is constructed from GG 25 (GJL-250) cast iron, ensuring high strength and corrosion resistance.

Construction and Application

The double-disc design with a stainless steel disc and spring ensures reliable operation under diverse conditions. Compliant with EN558-49, this valve is suitable for a wide range of applications—including hot and cold water systems, low-pressure steam lines, oil, and chemical installations—and performs reliably in the food processing industry.

• Durable Material: Cast iron body ensures long-term operation even under demanding conditions.
• Stainless Steel Components: Disc and spring made from stainless steel provide excellent corrosion resistance and dependable operation.
• Versatility: Suitable for water, steam, oil, and chemical media.
• Compact Design: Space-saving construction facilitates installation even in confined areas.
• Maintenance-Free: Eliminates the need for regular servicing, reducing operational costs.

The valve features short measurement flanges and is compatible with other valves, offering flexibility in system design. The flow coefficient Kvs is 390.2, enabling efficient medium flow. The stainless steel spring allows the disc to close reliably in any operating position, while the EPDM sealing ring ensures a leak-tight connection. The valve operates at a maximum temperature of 100°C and pressure of 16 bar.