Shut-off valve GLO Fig. 215 DN20 PN16, gray cast iron EN-GJL-250, construction: 71, stem-to-bonnet connection – detachable – screw, stem, regulating disc, and body ring – stainless steel, without opening indicator 215A020C71

Shut-off Valve – Reliable Flow Control

This shut-off valve, model ZGLO Fig. 215, with nominal diameter DN20 and pressure rating PN16, is a robust solution for diverse installations. Manufactured from high-quality gray cast iron EN-GJL-250, it ensures durability and corrosion resistance. Designed for both professional and end-user applications, it provides effective flow control in water, steam, and industrial systems.

Design and Materials – Key to Long-Term Performance

The valve features a well-engineered design. The stem and mushroom connection is detachable and secured with a screw, facilitating maintenance and component replacement. The stem, regulating mushroom, and body ring are made of stainless steel, guaranteeing resistance to aggressive media and long service life. The absence of an opening indicator simplifies the design and minimizes failure risk. The gray cast iron body ensures structural stability and pressure resistance.

Applications and Compliance with Standards

This valve is widely used in:

• Hot, cold, and cooling water systems;
• Steam piping systems;
• Industrial processes;
• District heating networks;
• Power generation.

It complies with the Pressure Equipment Directive 97/23/EC and carries the CE marking for DN 32. Testing and inspections conducted in accordance with EN 12266-1 confirm its high quality and operational safety. Flanges are drilled in compliance with EN 1092-2 for body material group A, and the face-to-face dimension conforms to Series 1 of EN 558-1. Additionally, technical data for this valve is available in leading calculation software libraries (Instal-therm, Instal-san, Audytor C.O. 3.8, Audytor H2O 1.5), simplifying system design. The valve is suitable for operation with steam and liquids.