Spence Engineering Co., Inc., has announced the K3 and K7 3-way, pneumatic and electronically actuated control valves for commercial, HVAC and light industrial applications. The K3 pneumatic control valve accepts a 3-15 air signal and features a 36-square-inch or 60-square-inch actuator with a spring-loaded packing assembly to minimize deadband. The K7 electric control valve features a rapid stroke electric actuator that accepts 0-10 VDC, 4-20mA or 0-135 Ohm signals. Both Kombat 3-way control valves have bronze ANSI 250 globe bodies with galvanized union ends and all stainless steel trim. The Kombat Series control valves are available in sizes 1/2"