Used in water supply or heating installations in residential, social-administrative buildings and industrial facilities to protect installation components (pumps, valves, check valves, water meters, etc.) against impurities. Materials: – Body: brass CW617N UNI EN 12165 – Strainer: stainless steel AISI 304 Filter: Flattened rhomboidal mesh screen Filtration grade: – Dn 20 25 – 400 microns – Dn 32 50 – 500 microns Thread: ISO 227 Finish: Sandblasting