Simple on/off and proportional control solution

-- Control Engineering, 12/1/2000

Irvine, Calif.-Burkert's type 265X modular ball valve system is designed to offer a variety of applications requiring on/off or proportional control solutions. For on/off control, the 265X is externally piloted and comes with a single-action (spring activated, normally closed) or double-action pneumatic actuator. Burkert claims continuous control accuracy up to 1% of span is achieved using one of the seven built-in flow characteristics (three fast opening, one linear, and three equal percent). Inputs from RTD, 4-20 mA, and frequency; as well as multiple electrical interfaces including ASi, Multipin, Cable Gland, Profibus, and DeviceNet are available. The 265X includes a quarter-turn ball valve with two-piece construction available in plastic or three-piece construction in stainless steel.

Burkert