Mesh filter model 821A, DN300 PN16, mesh opening 1.6 mm (15 openings/cm²). Body material: gray cast iron. Max. temperature: 300 °C 821A300C43

Mesh Filter for System Protection

The mesh filter model 821A is a reliable protective element designed to safeguard installations against mechanical contaminants. Suitable for use with water, steam, and in industrial processes, heating, refrigeration, air conditioning, and power generation systems. The filter’s design enables efficient capture of solid particles, protecting sensitive system components from damage and ensuring long-term operational reliability. Constructed from high-quality gray cast iron, it guarantees strength and corrosion resistance.

Construction and Application

The filter features a compact design and allows for cleaning of the internal screen without requiring removal from the pipeline—significantly simplifying maintenance and minimizing downtime. The stainless steel screen ensures effective filtration, while flanges manufactured in accordance with EN 1092-2 guarantee sealing integrity and easy installation. Installation length complies with EN 558-1 Series 1, facilitating seamless integration into existing systems.

This filter is widely used in:

• Hot and cold water systems
• Steam systems
• Industrial processes
• Heating, refrigeration, and air conditioning systems
• Power generation

Key Features and Specifications

Filter 821A with nominal diameter DN300 and pressure class PN16 is equipped with a stainless steel screen featuring a mesh opening of 1.6 mm (15 openings/cm²). The body material is gray cast iron (grade GG 25 / GJL-250), ensuring structural robustness and durability. Maximum operating temperature: 300°C. The filter complies with the Pressure Equipment Directive 2014/68/EU and bears CE marking for DN ≥ 32. Cover fastening is achieved via bolts. The gasket is made from a material different from standard (details to be confirmed). The filter is compatible with testing and inspection procedures according to EN 12266-1.