Shut-off valve zGLO Fig. 215C, DN50 PN16, ductile iron EN-GJS-400-18-LT, design: 31, check and shut-off, loose disc with spring, stem, disc and body ring – stainless steel 215C050C31

Shut-off and Check Valve – Reliable Flow Control

This shut-off and check valve with a loose disc and spring, manufactured from ductile iron EN-GJS-400-18-LT, is a robust and durable solution for diverse installations. Designed for both industrial and residential heating and water systems, it ensures effective flow control and protection against medium backflow. The 31-piece construction, featuring a stem, disc, and body ring made of stainless steel, guarantees corrosion resistance and long-term reliability.

Design and Application

This valve is suitable for hot, cold, and cooling water systems, as well as steam systems, industrial processes, district heating, and power generation. Its proven design ensures high tightness (Class A per EN 12266-1) and operation at nominal pressure PN 16. The valve flanges are machined in accordance with EN 1092-2 for body material group A, facilitating easy installation and integration into existing systems. The face-to-face dimension complies with EN 558-1 Series 1. The valve meets the requirements of the Pressure Equipment Directive 97/23/EC and bears the CE marking for DN 32.

Key Features and Benefits

• Durability and Resistance: Constructed from high-quality ductile iron and stainless steel, ensuring long-term performance even under harsh conditions.
• High Tightness: Class A sealing guarantees minimal medium leakage and safe system operation.
• Versatility: Compatible with various media—including water and steam—and suitable for a wide range of industrial and domestic applications.
• Easy Integration: Machined flanges compliant with EN 1092-2 simplify installation in existing systems.
• Standards Compliance: Meets Pressure Equipment Directive 97/23/EC and carries CE marking (for DN 32).
• Technical Data Availability: Product specifications are available in leading calculation software libraries: Instal-therm, Instal-san, Audytor C.O. 3.8, and Audytor H2O 1.5—facilitating system design.
• Shut-off and Check Function: The check feature prevents medium backflow, enhancing operational safety.
• Loose Disc with Spring: Ensures rapid and reliable valve closure while minimizing mechanical damage during operation.

This valve is an optimal choice for professional installers seeking a reliable component for their projects, as well as end-users who value system safety and longevity in heating or water systems.