... measurement unit, the magnet drive turned column showing the level without energy. It can work from low temperature to ... high viscosity, corrosion and so on. It measure the level safely and reliability. Under various environments to measure the ... 316, 316LStainless Steel PTFE liningPPR,ABS,UPVC,PVCOptional itemsUP & DOWN Level switches,4~20mA transmissionDrain valve, Top vent valve, drain / exhaust ...