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NIVOFLIP bypass level indicatorNew category on the productrange of NIVELCOThe NIVOFLIP - NIVELCO’s bypass liquid level indicatorfeaturing an optical bi-coloured magnetic flap display -opening a new category in NIVELCO’s product portfolio,had its debut in March 2010. Although enjoying popularityin quite a few industries, bypass level indicators werenot represented in NIVELCO’s rich product offering.This gap has been closed by the product launch last year.NIVOFLIP consists of a welded bypass chamber that isthe body of the indicator, connection flanges, an opticaldisplay, and contains a magnetic float. The chamber andthe tank form one pressurized system, mounted onsuitable connection flanges located on the side of the tankthe liquid level in the bypass tube and the tank is equal.The float in the bypass tube incorporating a polarizedmagnet tracks the level of the liquid. Bi-coloured magneticflaps mounted on the tube composing a bar are servingas visual indicators by changing their colour as the floatpasses. The bottom section of the indicating barrepresents the true level. The lower 100 mm of the bottomsection of the indicating bar has different colouringproviding for an optical error signal in case the liquidlevel drops below the lower connection point of theinstrument.The NIVOFLIP level indicator can be equipped with levelswitches and a level transmitter if level switching andtransmitting are needed. Both switch and transmitter areavailable in an intrinsicallysafe version.The highly accurateNIVOTRACK magnetostrictivelevel transmittercan be clampedexternally on the sideof the bypass tube.The level transmitterwhich is suitable forcustody transfermeasurement isoperated by the magneticfloat ofNIVOFLIP via magneticcoupling.The MAK-100 level switches incorporating a microswitchcan also be clamped externally on the side of the bypasstube and operated by the magnetic float of NIVOFLIPvia magnetic coupling. In case of using MAK-100 levelswitches the minimal medium density decreases by0.1 kg/dm 3 .Most important news about NIVOFLIP isthe PED (Pressure Equipment Directive)approval, which certifies NIVOFLIP asan applicable part of pressurized systemsup to 40 bars. Besides the standard version,from now NIVOFLIP isavailable toorder in a versionwith alarger tube diameterwhich issuitable forviscous materials.There are alsoavailable thetitan float versionsfor lowerdensity liquidmaterials, and aspecial versionoperating at upto 100 bars.15