Mercury Level Switch MLS 20-12

Working Range: Mercury Level Switch type MLS 20-12 is useful device to control level of liquids.  Its working attributes  are : 16bar working pressure or1″ NPT screwed connection, 220 °C or 428°F working temperature  and it is produced base on DIN or ANSI standards. This device is used in Boiler, DE aerator or under pressure , Fuel , water and condensate tanks.

Function: Change of liquid level causes movement of floater in device case and this movement force is transferred to mercury switches through connection lever and axis rotation by holder arms and causes movement of mercury inside the switch from one side to another side and ultimately causes establish current between it’s electrodes.  By   this way (ON-OFF) commands can be sent to electrical circuits and control different equipment such as pumps, solenoids and etc.as result, liquid level is fixed on the adjustment set point.

Installation: Level control type MLS 20-12 device installs in the side of vessels vertically by (1″) flanged or screwed connection pipe in height which wants to control the level of liquid. Features of this device are: Continues and regular control of liquid level in NO-NC position. Installable in places with high temperature. Installable for places which need high assurance coefficient. Installable in hazardous place that required operation certificate and justification. No consecutive maintenance and service required. Has full sealing by bellows sealing mechanism.