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Magnetic Flip-Flop Level Gauge

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CH-UHZ Magnetic Flap Level Gauge can be used for medium level detection in various towers, tanks, troughs, spherical vessels and boilers. Magnetic float level meter, also called magnetic flip column level meter or magnetic flap level meter, is a kind of liquid level meter that can be displayed locally or with remote transmission and control. It is widely used in petroleum, chemical, light industry, electric power, nuclear industry, food, medical and other industries to indicate and control the level of media in various containers such as her, tanks, tanks, boxes and so on. It can do high sealing, anti-leakage and suitable for high temperature, high pressure, corrosion-resistant occasions. It makes up for the defects such as poor clarity and easy rupture of the indication of glass plate (tube) liquid level meter, and the whole process of measurement has no blind area, clear display and large measuring range. Parts and components materials used 1Cr18Ni9Ti, 316L, 0Cr18Ni9Ti, 1Cr18Ni9Ti lined with PTFE (polytetrafluoroethylene), PVC, PP and other materials and imported components, with *** reliability and corrosion resistance.

Principle of Magnetic Float Level Gauge

Magnetic flap level meter is developed according to the principle of buoyancy and magnetic coupling. When the liquid level in the measured vessel rises and falls, the magnetic float in the body tube of the liquid level gauge rises and falls with it, and the *** magnets in the float are transmitted to the magnetic flip column indicator through magnetic coupling, driving the red and white flip column to flip 180°, when the liquid level rises, the flip column changes from white to red, and when the liquid level falls, the flip column changes from red to white, and the red-white junction of the indicator is the actual height of the liquid level inside the vessel, so as to realize the clear indication of the liquid level. The junction of red and white is the actual height of the liquid level inside the container, thus realizing the clear indication of the liquid level.

(Or you can say it like this): According to the principle of buoyancy, the float inside the magnetic flap is in the main body (connected with the container), floating up and down along with the rise and fall of the level of the measured medium, and the magnetic component of the float is used to attract the indicator inside the flap to directly and eye-catchingly indicate the change of the level in the measured container.


Technical parameters

1、Material of the body: 304, 316, 316L, PP plastic

2、Medium density: 0.49 ~ 1.99 (g/cm3)

3、Medium viscosity: ≤0.019Pa.S

4、Measuring accuracy: ±10mm

5、Protection grade: IP65

6、Explosion-proof grade: ibⅡCT4 (intrinsically safe), dⅡBT4 (explosion-proof)

7、Transmission mode: 4-20ma.




III. Product Selection


CH-UHZ Magnetic Flip-Flop Level Gauge
Code Display Mode

In-situ display

Local display + 4~20mA remote transmission

nicknames Installation
C side-mounted
D top-loading

nicknames typology
not have karyotype (chemistry)
W Insulation type
J Anti-corrosion type
S Frostproof
Z Thermal insulation and anti-corrosion type
Y Top-mounted corrosion-resistant type

nicknames Alarm control
0 no alarm
1 With upper limit alarm
2 With lower limit alarm
3 With lower limit alarm

nicknames Float Material nicknames Body Material
P stainless steels P stainless steels
L rustproof aluminum L rustproof aluminum
T titanium (chemistry) T titanium (chemistry)
S PVC plastic S PVC plastic
F fluoroplastic wrap F fluoroplastic pipe


PF Lined with PTFE


PP Acrylic lined


PE Vinyl lined

Code Data to be marked
B1 Marking flange standard, through diameter, pressure class
B2 Labeling of the actual operating temperature
B3 Labeling of actual operating pressure
B4 Labeling of the density of the measuring medium
B5 Mark order length, or provide flange spacing

IV. Selection specification

Top-mounted Magnetic Flap Level Gauge Side-mounted Magnetic Flap Level Gauge
顶装式磁翻板液位计 侧装式磁翻板液位计
Pseudolaric acid Magnetic Flip-Flop Level Gauge Measurement range 150-15000MM
Medium temperature -80℃~450℃ Medium Pressure 1.6-16MPA
Installation Side/top mounting (optional) Standard Flanges DN20/DN25(Optional)

Note: Selection should be based on the actual conditions to determine the site, different conditions selection is not the same, selection example: Model UHZ-C, side-mounted, medium alcohol, material 304, without display, with remote transmission, range 0 ~ 1500mm, temperature 180 ℃, flange DN25, (if the chemical industry, “must be”) (If it is a chemical enterprise, “must” be made into explosion-proof type)




Installation, use and maintenance

1, first check the level meter label data and ordering requirements are consistent with the distance from the level meter around the 200mm range shall not have the excitation of iron and other magnetic substances, otherwise it will affect the normal operation of the level meter.

2, the level meter and the container should be equipped with a shut-off valve between the maintenance and cleaning to cut off the material. The installation of the body must be vertical, *** offset angle ≤ 3 °. Measuring range > 4m in the process of installation and use should increase the intermediate support point.

3, the liquid level meter into operation, should first open the upper flange gas-phase valve, and then slowly open the lower flange liquid-phase valve, so that the medium slowly flow into the cylinder so that the flip column (plate) one by one tracking instructions, and adjust the zero level with the adjusting screw.

4、Level meter guard conduit and the main conduit must be kept vertical.

5、After the installation is completed, it is necessary to guide the flip column of the display with magnet once so that it shows red above zero level and white below zero level.


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