Used in water supply or heating installations in residential, social-administrative buildings and industrial facilities, with the role of protecting installation components (pumps, valves, check valves, water meters, etc.) against impurities. Materials: – Body: CW617N brass, UNI EN 12165 – Filter: stainless steel AISI 304 Filter: flattened diamond-mesh screen Filtration grade: – DN 20–25: 400 microns – DN 32–50: 500 microns Thread: ISO 227 Finish: Sandblasted