Nickel Chromium Plated Brass Low Pressure Ball Valves. Brass "CW 617N-UNI-EN 12165" body and ball. Brass "CW 614 N-UNI-EN 12164" stem and gland. Ball ground by diamond-tipped tool. No 4 twin seats in virgin PTFE + Viton o-ring. PTFE stem packing. Steel lever with red plastic coating. Matt chrome finishing. Threading to ISO 228/1. 20, 25, 32 and 40 Bar max pressure @ 80°C. Manufacturer Rastelli.