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Magnetic Level Gauge Suitable for Various Working Conditions

3 magnetic level gauges are displayed.

Magnetic level gauge consists of a chamber, a float, a scale, an exhaust valve and flanges. The permanent magnet inside the float reverses the magnetic flipper on the scale through magnetic action, thus displaying the liquid level. It can also be connected to a remote transmitter, and the magnet inside the float will be attached to the contact on the transmitter, causing a change in circuit resistance and generating various resistance signals to achieve remote level display. The chamber is generally made of 304, 316, PTFE, PP, titanium, etc., offering excellent high temperature resistance, high pressure resistance and corrosion resistance, frost prevention and explosion prevention. It can be used for medium level detection and automatic control of various columns, tanks, spherical vessels, boilers and other equipment.

Working Principle

The structure and working principle of magnetic level gauge

Magnetic level gauge is developed based on the principle of buoyancy and magnetic coupling. When the liquid level in the measured vessel rises and falls, the magnetic float in the chamber also rises and falls accordingly. The permanent magnet inside the float is transferred to the magnetic flipper column gauge through magnetic coupling, and drives the red and white flippers to turn 180°. When the liquid level rises, the flipper changes from white to red, and when the liquid level falls, the flipper changes from red to white, and the red-white junction of the gauge is the actual height of the liquid level inside the vessel, thus realizing clear liquid level indication.

Specification

Hastelloy 276 magnetic level gauge

Hastelloy Magnetic Level Gauge (LYM-HC276)

  • Measuring range: 0–15000 mm
  • Resolution: 10 mm
  • Maximum working pressure: 25 MPa
  • Temperature range: -20 °C to 150 °C
  • Medium density: ≥ 0.45 g/cm³
  • Medium viscosity: ≤ 0.4 Pa.s
  • Chamber material: hastelloy 276
  • Connection: flange, thread
  • Installation: side-mounted, top-mounted
Side-mounted magnetic level gauge for liquid ammonia

Magnetic Level Gauge for Liquid Ammonia (LYM-C-T)

  • Measuring range: 0–15000 mm
  • Working pressure:1–16 MPa
  • Temperature range: -20 °C to 350 °C
  • Medium viscosity: ≤ 0.4 Pa.s
  • Medium density: ≥ 0.45 g/cm³
  • Float material: titanium
  • Chamber material: 304, 316, 347, titanium, hastelloy
  • Installation: side-mounted
Side-mounted magnetic level gauge with a remote transmitter

Side-Mounted Magnetic Level Gauge with A Remote Transmitter (LYM-C-Y)

  • Measuring range: 100–15000 mm
  • Working pressure:1.0, 1.6, 2.5, 4.0, 6.4, 10.0, 16 MPa
  • Temperature range: -40 °C to 450 °C
  • Medium density: ≥ 0.45 g/cm³
  • Medium viscosity: ≤ 0.4 Pa.s
  • Float material: 304, 316, PP, titanium
  • Chamber material: 304, 316, PP, PVC or PTFE liner
  • Remote transmitter output signal: RS485, HART options
  • Transmitter power supply: 24VDC, battery power supply
  • Transmitter resolution: 5 mm, 10 mm and 20 mm options
  • Flange standard:HG/T20592~20635-97 (other standards upon request)
  • Installation: side-mounted

Notes: Usually the junction box is at the top, please inform us if you need the junction box at the bottom.

Side-mounted magnetic level gauge with switches

Side-Mounted Magnetic Level Gauge with Switches (LYM-C-A)

  • Measuring range: 100–15000 mm
  • Measuring accuracy:±5 mm
  • Working pressure: 1.0, 1.6, 2.5, 4.0, 6.4, 10.0, 16 MPa
  • Temperature range: -40 °C to 450 °C
  • Medium viscosity: ≤ 14 m/s
  • Medium density: ≥ 0.45 g/cm³
  • Float material: 304, 316, titanium
  • Chamber material: 304, 316L, PP, PVC or PTFE liner
  • Flange standard: HG/T20592~20635-97, DN20, DN25 or customized
  • Switch types: Normally open (NO), normally close (NC), or SPDT type.
  • Installation: side-mounted
Side-mounted plastic float magnetic level Gauge

Side-Mounted Plastic Float Magnetic Level Gauge (LYM-C-P)

  • Measuring range: 200–5000 mm
  • Medium viscosity: ≤ 0.02 Pa.s
  • Working pressure: -0.1–0.5 MPa
  • Chamber size: 63 × 3/5.2 (PP), 63 × 3 (PVC), 63 × 3 (PVDF)
  • Temperature range: -20 °C to 80 °C (PP), -20°C to 60°C (PVC), -20 °C to 200 °C (PVDF)
  • Can be added with remote transmitter and liquid level switches.
  • Installation: side-mounted
Side-mounted vacuum magnetic level gauge

Vacuum Magnetic Level Gauge (LYM-C-Z)

  • Measuring range: 100–15000mm
  • Working pressure:1.0, 1.6, 2.5, 4.0, 6.4, 10.0, 16MPa
  • Medium density: ≥ 0.5 g/cm³
  • Medium viscosity: ≤ 0.4 Pa.s
  • Chamber material: 304, 316, PP, PVC
  • Can be added with remote transmitter and liquid level switches.
  • Installation: side-mounted
Corrosion-resistant magnetic level gauge

Side-Mounted Corrosion-Resistant Magnetic Level Gauge (LYM-F)

  • Measuring range: 200 mm – 5000 mm
  • Working pressure: -0.1 MPa – 2.5 MPa
  • Temperature range: -20 °C to 200 °C
  • Medium viscosity: ≤ 0.2 Pa.s
  • Float material: 316L, PVC/UPVC/CPVC/PP, PTFE, titanium
  • Chamber material: stainless steel 304, PTFE liner
  • Can be added with remote transmitter and liquid level switches.
  • Installation: side-mounted, top-mounted
Side-mounted explosion-proof magnetic level gauge

Side-Mounted Explosion-Proof Magnetic Level Gauge (LYM-C-E)

  • Measuring range: 0–15000 mm
  • Panel resolution: ±10 mm
  • Maximum working pressure: 2.5 MPa
  • Temperature range: -20 °C to 450 °C
  • Medium density: ≥ 0.45 g/cm³
  • Chamber material: 304, 316L, 347, titanium, PP, hastelloy
  • Explosion-proof level: ExiaⅡCT4~CT6
  • Can be added with remote transmitter and liquid level switches.
  • Installation: side-mounted
Side-mounted frost-proof magnetic level gauge

Side-Mounted Frost-Proof Magnetic Level Gauge (LYM-C-S)

  • Measuring range: 300–5000 mm
  • Working temperature:-190 °C to 350 °C
  • Maximum working pressure: 10 MPa
  • Medium density: 0.4–2 g/cm³
  • Medium viscosity: ≤ 0.4 Pa.s
  • Chamber material:304, 316, 347, hastelloy
  • Can be added with remote transmitter and liquid level switches.
  • Installation: side-mounted
Top-mounted magnetic level gauge

Top-Mounted Frost-Proof Magnetic Level Gauge (LYM-D)

  • Measuring range: 0–5000 mm
  • Display accuracy: ±5 mm
  • Maximum working pressure: 2.5 MPa
  • Temperature range: -20°C to 450 °C
  • Medium density: ≥ 0.5 g/cm³
  • Float material: 316L, PVC/UPVC/CPVC/PP, PTFE, titanium
  • Chamber material:304, 316L, titanium PP, stainless steel liner PTFE
  • Installation: side-mounted

Notes: All models can be added with LED Gauge (power supply: 220V Ac, applicable temperature: <350 °C).

Features

  • Direct readings, wide measuring range, easy installation and simple structure;
  • Good sealing and anti-vibration performance, and can adapt to large fluctuations of liquid level;
  • Wide range of applications, suitable for liquid level measurements of various working conditions (such as high temperature, high pressure, corrosion);
  • It integrates on site indication, remote transmission and alarm control into one and can adjust the Gauge freely;
  • The Gauge is completely isolated from the storage tank, so there is no risk of leakage and high safety.

Precautions

  • The level gauge must be installed vertically to ensure that the float assembly moves freely up and down in the chamber.
  • No magnetic conductor is allowed to be near the level Gauge, otherwise it will directly affect the accurate working of the level Gauge.
  • The installation location shall be kept away from the inlet and outlet of material media as far as possible to avoid rapid changes in the local area, affecting the accuracy of liquid level measurement
  • According to the medium condition, clean the level Gauge main tube impurities from time to time.

Application

Magnetic level gauge can work under high temperature, high pressure and corrosive conditions and is widely use for the liquid level measurement of tanks in power, oil, chemical, metallurgy, food and other industries.

A magnetic level gauge is mounted on the side of a liquefied gas tank
For the level measurement of liquefied gas tanks
3 oil tanks are equipped with magnetic level gauge on the side.
For the level measurement of oil tanks

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