R509

Three-way ball control valve, 1" female gas threaded connections, DN15, PN16, KVS = 0.63, nickel-plated brass body, stainless steel internal parts, EPDM O-ring stem seals, TEFZEL control curve characterizing disc, PTFE valve seat, EPDM internal sealing O-ring, fluid temperature +6...+120 °C. Control port A-AB: optimized equal percentage control curve in the opening range, bypass B-AB: linear control curve. Control port A-AB: perfect shut-off leakage rate with bubble-tight seal, bypass -B-AB leakage class with a leakage loss of approximately 1...2% of the KVS value.