Mesh filter model 821C, DN40 PN25, mesh opening 1 mm (45 openings/cm²). Body material: gray cast iron. Max. temperature: 350 °C 821C040D50

Mesh Filter for Protection of Installations and Equipment

The mesh filter model 821C is a reliable protective element designed to safeguard installations from mechanical contaminants. Manufactured from durable gray cast iron, it ensures long-lasting and efficient filtration across a wide range of applications—from water systems to industrial processes. Its design allows for easy filter cleaning without disassembly, resulting in minimal downtime and reduced operational costs.

Construction and Applications

This filter, with a nominal diameter DN40 and pressure class PN25, is intended to protect system components such as valves, pumps, and regulators. The stainless steel insert with a density of 45 mesh/cm² (1 mm aperture) effectively captures mechanical impurities, ensuring uninterrupted system operation. It is suitable for use in hot and cold water systems, steam lines, and industrial technologies including heating, refrigeration, air conditioning, and power generation. The filter flanges are machined in accordance with EN 1092-2, facilitating easy installation and integration with existing infrastructure.

Key Features and Benefits:

• Durable Gray Cast Iron Body: Provides resistance to corrosion and mechanical damage, ensuring long service life.
• Stainless Steel Insert: Efficiently traps mechanical contaminants, protecting sensitive system components.
• Easy Cleaning: Filter can be cleaned without disassembly, significantly reducing maintenance time and minimizing downtime.
• Wide Operating Temperature Range: Maximum operating temperature of 350°C enables use in demanding conditions.
• Compliance with Standards: Meets requirements of EN 12266-1 and features machined flanges per EN 1092-2—guaranteeing safety and reliability.
• Pressure Class PN25: Suitable for installations with elevated working pressures.
• Seal Material: Ensures leak-tight connections (details on seal material available upon request).
• Material Grade: Gray cast iron GGG 40.3 (GJS-400-18)—high mechanical strength and corrosion resistance.

This filter is a robust solution ideal for professional installers seeking a reliable component for their projects, as well as end-users committed to protecting their heating or industrial systems.