Fisher L2 and L2sj Liquid Level Controller

FeaturesTwo-stage proportional relay with integral action provides more dependable liquid level control.O-ring friction and process pressure sensitivity are minimal. Performance stays constant with process pressure changes and controller remains vibration-resistant.The displacer may be adjusted in the field for vertical or horizontal operation without additional parts.The controller can be adjusted in the field for direct or reverse action without additional parts.Sensor assembly is designed and specified for ASME B16.34 CL1500 service when using a Polyvinylchloride (PVC) displacer.The ability to pipe away exhaust permits using natural gas as the operating medium.Both the controller and the sensor can be easily disassembled to inspect the process seals and for maintenance.

Liquid Level Controller