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Fisher L2 and L2sj Liquid Level Controllers

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Taneli Luhanko
Inside Sales Engineer
Phone. 0207 416 202
Mob. 040 757 4208

Fisher™ L2 and L2sj liquid level controllers use a displacer-type sensor to detect liquid level or the interface of two liquids of different specific gravities. The reliability of the design makes these controllers well-suited for high pressure liquid level applications in natural gas production, compression, and processing.

Fisher

Tekniset tiedot
Ominaisuudet

Area Classification	Group II Category 2 Gas and Dust
Certifications	ATEX, PED, CUTR
Data Interface	Wired
Diagnostics	No
Max Outlet Pressure	35 psi / 50 psi
Mounting Type	Process Vessel Mounted
Operating Temperature	Standard Temperature
Position Control	On/Off, Monitoring
Process Control	Level
Supply Media	Air, Natural Gas

Two-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.

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Fisher L2 and L2sj Liquid Level Controllers

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