For steam service with large capacity, low pressure requirements

Armstrong’s OB-2000L is a high-performance externally piloted temperature regulator for large-capacity, low pressure applications. Self-actuated and requiring no external energy source, the OB-2000 comes with main valve, pilot valve and tubing kit. Capillary units mount in any position and can be easily disconnected and interchanged, offering easy installation and maximum application flexibility. The OB-2000L is available in sizes 1/2" through 4" (15–100 mm), with six temperature ranges and three capillary lengths.