The BD Series is the largest of the Equilibar® product lines. Based on the same dome-loaded, diaphragm-sealed multi-orifice technology, but with some meaningful differences for adequate application in industrial processes:
Just as all back pressure regulators in any Equilibar product line, the BD-valves offer precision and rangeability that outperforms traditional control valves on many aspects. Where standard globe valves often offer a rangeability of 1:40, a single Equilibar dome loaded control valve in the BD Series offers a much better turndown ratio of 1:1.000 to 1:1.400 (the other product lines even provide exponentially higher rangeabilities). This explains how an Equilibar valve is capable of handling both liquids and gases with 1 single valve.
The control valves of the BD Series thus cover a broad portfolio of customer applications, for example in production processes using high viscous media and production processes with large flows.