Machine Design

Top Controls Valves

Type 8630/31 fully integrated top control head units from Burkert Contromatic Corp., Irvine, Calif., are for decentralized, intelligent process control. With seven built-in flow patterns and the ability to design individual flow curves, internal valve trims are not required. Setpoint adjustments can be done at the valve or through standard analog input signals. A variety of direct sensor inputs can be used such as RTD, 4 to 20 mA, and frequency. Electrical interface options include ASI, Multipin, Cable Gland, Profibus, and DeviceNet. The controllers are mounted on valves and linked directly to sensors to create a local control loop. The units are recommended for applications requiring advanced levels of process automation such as textile industries, food and beverage processing, and water-treatment facilities. Stainless-steel, brass, or plastic bodies are available with different finishes and pipe connections.


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