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AI.LMV-16 Series

AI.LMV-16 Series
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AI.LMV-16 Series

Product catalog summary
Operating Principle
Magnetic level gauges function based on the principle of communicating vessels, where the level in the measuring chamber reflects the level in the vessel. A float with an internal magnet moves with the medium, turning the flaps of the indicating rail. The float is non-pressurized and lacks magnetic or mechanical guidance, enhancing safety. ASIT ITALIA can produce pressurized floats if needed. The gauge is resistant to shocks, vibrations, high temperatures, moisture, and aggressive environments. It features a visual indication rail with adjustable visual limits and can be equipped with magnetic switches for signaling and control purposes.
Models
Several standard models are available to meet various requirements:
  • AI.LMV-16.D: Side-mounted with multiple process connections, suitable for applications like condensate and LPG tanks.
  • AI.LMV-16.L: Side-mounted with a single process connection, often used for ship day tanks.
  • AI.LMV-16.F: Top-mounted with a single process connection, ideal for storage tanks below the surface.
  • AI.LMV-16.M: Side-mounted with multiple connections, designed for evaporating applications.
  • AI.LMV-16.R: Mounted between two pipelines.
Special models with coatings or made from various materials like PVC, Hastelloy, or Titanium are also available.
Advantages
The magnetic level gauge offers several advantages, including a standard unpressurized float system, corrosion resistance, competitive pricing, and short delivery times. It is unaffected by pressure, vacuum, temperature, foam, and viscosity, and provides permanent indication without external power. The system is safe, environmentally friendly, and maintenance-free, with fully adjustable switches and a unique indication rail.
Specifications
Detailed specifications are provided for each model, including maximum pressure, temperature, materials, and process connections. For example, the AI.LMV-16.D/L models have a maximum pressure of 10 bar and are made from stainless steel 316L. The AI.LMV-16.F models, designed for top mounting, can handle pressures up to 60 bar and temperatures up to 350°C.
General Specifications:
- Pressure: Maximum 40 bar / 150 or 300 lbs
- Temperature: Maximum 400 °C
- Measuring Length: Maximum 5500 mm in one piece, longer lengths require multiple pieces
- Indication Rail: Made of polycarbonate (max temp. 105 °C, temporary 120 °C), aluminium with SS316 flaps, or stainless steel 316
- Process Connection: DIN DN 80-DN 150 / PN 40, ANSI ½” – 2” 150 - 300# RF, Thread (Male / Female) ½” – 1” BSP or NPT
- Float: Minimum density of 380 kg/m3
- Extra Support: Required for C. to C. > 3 meters offshore and > 4 meters onshore
- Pointers: High & Low in stainless steel
- Marking: Tag plate according to standard layout in stainless steel, PED marking up to category III standard
- Special Features: Insulation, steam jacket, spring, electric tracing
Available Floats:
- Standard floats are made of stainless steel, but options include Titanium, Hastelloy, PVC-C, PVC-U, PP, PVDF, PE, etc.
- Floats must have sufficient buoyancy and the magnet must be correctly positioned.
- Selection depends on medium, density, working pressure, and operating temperature.
- Coating available for aggressive fluids.
- Preference for pressurized floats over open floats due to potential sinking and condensate build-up.
- Standard floats are fitted with a toroidal magnet for stability and proper function.
Switches:
- Magnetic switches can provide signals for pump control and high/low alarms.
- Available in general purpose, hazardous area, and marine application types.
Type Approval:
- RINA certification for naval and shipbuilding applications.
Reedchain for Analog Output Signal:
- Provides a 4-20 mA signal and is standard on the complete length of the magnetic level gauge.
See more

Catalog excerpts

AI.LMV-16 Series-1

MAGNETIC LEVEL GAUGE AI.LMV-16 Series

 Open the catalog to page 1
AI.LMV-16 Series-2

OPERETING PRINCIPLE Magnetic level gauges work on the principle of communicating vessels, therefore the level in the measuring chamber will be the same as the level in the vessel. The measuring chamber is fitted with a float, which has a magnet inside. The float with magnet will float on the medium and the magnet in the float will turn the flaps of the indicating rail. The float in the measuring tube is standard not pressurized and has no magnetic or mechanical guidance. This construction makes the float less dangerous than a float which is standard pressurized. When necessary ASIT ITALIA can...

 Open the catalog to page 2
AI.LMV-16 Series-3

MODELS In order to meet all the requirements there are several standard models available. AI.LMV-16.D With two or more process connections for mounting on the side of a vessel. This design is suitable for many different applications, for example condensate tanks, LPG tanks etc. AI.LMV-16.L With one process connection for mounting on the side of a vessel. This model is often used for day tanks for ships. AI.LMV-16.F With one process connection on the bottom, this type is suitable for mounting above a tank. This design is mostly used for storage tank below the surface. AI.LMV-16.M With two or more...

 Open the catalog to page 3
AI.LMV-16 Series-4

• Standard unpressurised floatsystem • Float without mechanical or magnetic guide rails • Fully corrosion resistant system • Competitive prices • Short delivery times • Measurement is unaffected by pressure, vacuum, temperature, foam and viscosity • Minimum sensitivity to density variations • Permanent indication without external power supply • Low temperature version is fitted with ice free indication strip • Unique free view indication rail in plastic, Aluminium or full SS 316 • Fully adjustable switches • Scale / ruler available in cm, mm, % or litres • Back lighting is unnecessary • Eccentric...

 Open the catalog to page 4
AI.LMV-16 Series-5

Indication rail: Polycarbonate (max. temp. 105 °C, temporary 120 °C) Aluminium with SS316 flaps Stainless steel 316 Weld or thread (Male / Female) V/'-V B = 70 mm DN 40-DN 50 and ANSI 1.1/2"-2"on 1"pipe B = 130 mm Drain: V, V" or %" plug BSP or NPT V, V" or %" ballvalve None Drain gasket: EPDM, NBR, FPM Vent: V, V" or %" plug or valve, BSP or NPT G 2" stop None Float: From density min. 380 kg/m3 Drain length: Density min. 920 kg/m3 A = 200 mm (*) Extra support: C. to C. > 3 meter for offshore C. to C. > 4 meter for onshore Pointers: High & Low in stainless steel Marking: Tag plate acc. to standard...

 Open the catalog to page 5
AI.LMV-16 Series-6

2. AI.LMV-16.F (mounting on top of a vessel) 2.1 Without stillingwell Model: F-00A / F-00B Material: Stainless steel 316L (1.4404), others on request Pipe: 60.3 x 2 mm (above tank) Stilling well: Without Pressure: Max. 60 bar (depending on type) Temperature: Max. 350 °C Measuring lenght: Max. 5500 mm Indication rail: Polycarbonate (max. temp. 105 °C, temporary 120 °C) Aluminium with SS316 flaps Stainless steel 316 Process connection: DIN DN 50-DN 150 / PN 40 ANSI 2” – 6” 150# RF ANSI 2” – 6” 300# RF ANSI 2” – 6” 600# RF Vent: ½”, ¾” plug BSP or NPT, flange or valve Float F-00A: Float OD 52 mm...

 Open the catalog to page 6
AI.LMV-16 Series-7

2.2 With stilling well pipe Model: F-01 / F-01A Material: Stainless steel 316L (1.4404), others on request Pipe: 60.3 x 2 mm (above tank) Stilling well: pipe 54 or 60.3 Pressure: Max. 60 bar (depending on type) Temperature: Max. 350 °C Measuring lenght: Max. 5500 mm Indication rail: Polycarbonate (max. temp. 105 °C, temporary 120 °C) Aluminium with SS316 flaps Stainless steel 316 Process connection: DIN DN 50-DN 150 / PN 40 ANSI 2” – 6” 150# RF ANSI 2” – 6” 300# RF ANSI 2” – 6” 600# RF Vent: ½”, ¾” plug BSP or NPT, flange or valve Float F-01: Stilling well pipe OD 60.3, float OD 52 From density...

 Open the catalog to page 7
AI.LMV-16 Series-8

Material: Stainless steel 316L (1.4404), others on request Pipe: 60.3 x 2 mm (above tank) Stilling well: 3- rods 0 76 or 0 104 Pressure: Max. 60 bar (depending on type) Temperature: Max. 350 °C Measuring lenght: Max. 5500 mm Indication rail: Polycarbonate (max. temp. 105 °C, tempo Aluminium with SS316 flaps Stainless steel 316 Vent: W, 3A" plug BSP or NPT, flange or valve Float F-02: 3- rods 0 76, float OD 52 mm From density min. 480 kg/m3 Density depending on measuring length, by measuring length 1000 mm for std. floats: Density min. 1160 kg/m3 A = 150 mm Float F-04: 3- rods 0 104, float OD...

 Open the catalog to page 8
AI.LMV-16 Series-9

2.4 With stilling well pipe Model: F-03A / F-03B Material: Stainless steel 316L (1.4404), others on request Pipe: 60.3 x 2 mm (above tank) Stilling well: Pipe 76.1 or 88.9 Pressure: Max. 20 bar (depending on type) Temperature: Max. 350 °C Measuring lenght: Max. 5500 mm Indication rail: Polycarbonate (max. temp. 105 °C, temporary 120 °C) Aluminium with SS316 flaps Stainless steel 316 Process connection: DIN DN 80-DN 150 / PN 40 ANSI 2” – 6” 150# RF ANSI 2” – 6” 300# RF ANSI 2” – 6” 600# RF Vent: ½”, ¾” plug BSP or NPT, flange or valve Float F-03A: Pipe 76.1, float OD 67 mm From density min. 470...

 Open the catalog to page 9
AI.LMV-16 Series-10

3. AI.LMV-16.R (mounting between two pipes) Model: R-40 / R-150 / R-300 Material: Stainless steel 316L (1.4404) Pipe: 60.3 x 2 mm or 60.3 x 2.77 mm Pressure: Max. 40 bar / 150 or 300 lbs Temperature: Max. 400 °C Measuring lenght: Max. 5500 mm in 1 piece, longer out more pieces Indication rail: Polycarbonate (max. temp. 105 °C, temporary 120 °C) Aluminium with SS316 flaps Stainless steel 316 Process connection: DIN DN 80-DN 150 / PN 40 ANSI ½” – 2” 150 - 300# RF Thread (Male / Female) ½” – 1” BSP or NPT Float: From density min. 380 kg/m3 Extra support: C. to C. > 3 meter for offshore C. to C....

 Open the catalog to page 10
AI.LMV-16 Series-11

All the magnetic level gauges are fitted with a float. This float is standard in stainless steel, but the float is also available in Titanium, Hastelloy, PVC-C, PVC-U, PP, PVDF, PE etc. The float must have enough buoyancy and the magnet must be fitted at the right position inside the float. So it is always important to select a float which is suitable for the process conditions. In order to select the correct float the following process conditions are necessary. - Working pressure - Operating temperature The lowest density, for which we can supply a float is 380 kg/m3 but this is depending on...

 Open the catalog to page 11

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.