Delta Controls - Model 621 - Inline Body Flow Switch - Datasheet

The Delta Controls Model 621 Flow Switch is equipped with inside body dimensions and end connections that conform to the pipeline. The 621 is built to ANSI, ASME, and PED specifications. These switches protect pumps, blowers, heat exchangers, etc. The paddle magnetically connects to the output switch. A heavy-duty solid sealing tube separates the process fluid from the switch mechanism. Failures due to seal, diaphragm, and bellows leaks are eliminated.