Displacer Level Switch Single

Displacer Level Switch Single

Introduction: The displacer level switch is designed for internal mounting throught the top of process vessel and is also furnished with Chamber for external mounting from the process vessel. The use of displacer as the sensing medium allows for wide switching differential, field adjustable switching point & use on high pressure applications. Mounting connection without chamber are offered in 3" flanged standard.

Displacer operated level switch offer control featured not found in float operated controls. The basic sensing means utilizes displacer heavier than the liquid which is suspended from a spring. When the liquid contacts the displacer to change in turn causing the spring to seek a new balance position which moves the attraction sleeve into the Field of the magnet. This principle provides for wide switching differential and allows the desired level switching point to be adjusted by moving the displacers up and down the suspension cable. Further advantage allow for adoption to high pressure application since displacers have substantial heavier wall thickness than floats and in many cases are made out of solid materials.

Single Point Level Switching

DLS 02A Model with One displacer and one switch is designed to achieve narrow (fixed) differential switching mechanism. Minimum operating level from surface of flange is 450mm.

Specifications:

Range:Upto 20 meter
Min. Process Connection:3" flanged standard in MS/SS304/SS316/polypropylene
Differential:Max 70mm in S.G 1
Min. Specific Gravity:0.55 S.G
Pressure:50kg/cm2 (maximum) without external chamber
Temperature:

A) SS & Teflon displacers 150°C
B) Polypropylene displacers 70°C
Pressure:100kg/cm2 (maximum) with external chamber
Temperature:

A) SS & Teflon displacers 150°C
B) Polypropylene displacers 70°C
Electric Connection:½" NPT
Displacer:SS304/SS316/Polypropylene
Switch:SPDT/DPDT

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