R517

Three-way ball control valve, 1 1/4" female gas threaded connections, DN20, PN16, KVS = 4, nickel-plated brass body, stainless steel internal parts, EPDM O-ring stem seals, TEFZEL characterizing disk for control 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 leak tightness with bubble-tight seal, bypass B-AB: leakage class with a leakage rate of approximately 1...2% of the KVS value.