R518

Three-way ball control valve, 1 1/4" female gas threaded connections, DN20, PN16, KVS = 6.3, nickel-plated brass body, internal parts in stainless steel, EPDM O-ring stem seals, TEFZEL characterizing disk with equal percentage flow curve, PTFE valve seat, EPDM internal seal 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.