Valve Body: 599-10224. Line Size: 2 in, 50 mm. Close-Off P: 70 psi, 482 kPa. Cv, Kvs: 250 Cv, 215 Kvs. Signal: 0 to 10 Vdc, 12-Inch Wire Leads, 171D, GLB 161.1P. Description - The 599 Series two-way Ball Valves are coupled with OpenAir™ actuators to provide modified equal percentage flow control. The Ball Valves are 1/4-turn rotary control valves. Product Numbers - Use the product numbers in Table 1 or Table 2 to order a valve and actuator assembly. The product number consists of a 3-digit actuator prefix code, a hyphen, and a 5-digit valve body. suffix code. FEATURES: Universal mounting plate. Leak-proof shutoff. Blow-out proof stem withstands high pressure. Actuator and plate can be rotated. Standoffs provide a thermal barrier between the actuator and the mounting plate. Operating handle can manually operate valve.. Siemens. Siemens. 171D-10224. UPC: 683194552502. EAN: 0683194552502. GTIN: 00683194552502.