Check valve zGLO Fig. 215C, DN65 PN25, construction 41: loose mushroom without spring, stem, mushroom, and shell ring – stainless steel. Body – ductile iron. 215C065D41

Check Valve – Reliable Protection for Installations

This check valve ZGLO Fig. 215C, with a diameter DN65 and pressure rating PN25, combines the functions of backflow prevention and complete flow shut-off. This solution is ideal wherever both system protection and medium control are required. The free-floating, spring-free disc design ensures smooth operation and reliable performance under varying conditions.

Valves of this type stand out from standard gate valves by the presence of a cylindrical stem extension, which facilitates maintenance and identification. The design of the closing disc and the materials used are critical to the valve’s durability and efficiency. In this model, the disc, stem, and body ring are manufactured from stainless steel—ensuring corrosion resistance and long service life, even in aggressive environments. The body is made of ductile iron, providing high mechanical strength and resistance to elevated pressures.

Design Features and Applications

This valve features flanged connections, simplifying installation and removal in existing systems. Design 41 is characterized by a permanently welded stem-to-disc connection, enhancing structural stability. As a result, the valve performs reliably in water systems, industrial applications, and scenarios requiring protection against medium backflow.

The valve has a pressure class of PN 25 and flanged connections. The housing is made of ductile iron, while internal components—the disc, stem, and body ring—are made of stainless steel.

Check valves are versatile components widely used across multiple industrial sectors. Their primary function is to prevent reverse flow of the medium, protecting equipment and installations from damage and ensuring safe system operation. The additional ability to fully shut off flow enables easy servicing and maintenance without requiring complete system shutdown.