Multi-Float Level Switch for Corrosive Media
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Multi-Float Level Switch for Corrosive Media

The MG8310 multi-point floating ball level switch is a liquid level control instrument with a simple structure and convenient installation. The switch adopts redundant judgment and uses multiple floating balls to control multiple control points separately, making the control more reliable and safe.
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  • MG8310 Series

Product Features

Redundant Multi-Float Control for High Reliability

Multiple floating balls enable multi-point redundant level detection, significantly reducing false triggering risks and ensuring stable operation in complex process conditions. The system maintains reliable performance under operating pressures up to 6.3 MPa and temperatures from -40 °C to +150 °C.

Wide Material Options for Corrosive Media

The probe rod is made of 316L stainless steel as standard, with optional materials including titanium, Hastelloy, duplex stainless steel, and PTFE lining. These materials provide excellent resistance to strong acids, alkalis, and corrosive liquids, ensuring long-term durability in harsh environments.

High-Sensitivity Switching Performance

Equipped with high-reliability switching elements, the device delivers stable and precise level switching with a basic measurement error of ±10 mm and a contact life of ≥10⁵ cycles, suitable for frequent switching applications.

Industrial-Grade Electrical Output

Supports contact output with capacity of 1A @ 220VAC or 0.5A @ 24VDC, compatible with PLC and DCS systems. The device meets lightning protection standards EN61000-4-4/5 Level 4, ensuring strong immunity to electrical disturbances.

Flexible Installation and Adjustable Control Range

Supports top-mounted and side-mounted installation with probe lengths from 500 to 6000 mm, allowing flexible configuration for different tank sizes. With protection ratings up to IP67/IP68, installation and commissioning are simple, and the level control range can be easily adjusted on-site.

Technical Specifications

General Specification
ProductMG8310 Series Multi-Float Level Switch
Measured parameterLevel, interface
Case materialHigh pressure cast aluminum
Medium densityMin. Density≥400Kg/m3
Viscosity≤0.4Pa·S
Cable entry 3/4"NPT
Material316LSST, titanium, 304LSST, tantalum, zirconium 702 alloy, HaC-276 alloy, 600 alloy, 400 alloy, 201 nickel 20 alloy, HaC-22 alloy, 2507 dual phase SST, PTFE lined anti-corrosion, etc
Installation modeTop-mounted, side-mounted
Probe rod length19.6~236" (500~6000mm) optional
Electric
Contact capacity220VAC 1A Resistive, 24VDC 0.5A
Output signalNormally open Normally close
Contact life≥105 times
Lightning  protection deviceMeet the requirements of EN61000-4-4 (GB/T17626.4) Severity Level 4 and EN61000-4-5 (GB/T17626.2) Severity Level 4
Environment
Operation temp.-112~302℉ (-40~150℃)  
Environment temp.-40~176℉ (-40~80℃)
Storage temp.-40~176℉ (-40~80℃)
Humidity0~100% relative humidity
Pressure
Operation press.0~63bar (0~6.3MPa)
Measurement performance
Basic error± 10mm
Explosive-proof certification
FMAmerican Industrial Association Certification
CEXExplosion proof
CEIIntrinsically safe
CSACanadian Standard Association
IEIIS International Electromechanical Commission
SILSIL Certification
Machinery
Wet body Material316LSST, Ti, 304LSST, PTTE and "O" ring sealing material
Ingress ProtectionIP67/IP68


Applications

The MG8310 Series Multi-Float Level Switch is designed for reliable multi-point level control in harsh industrial environments. With redundant multi-float sensing, explosion-proof certifications, and corrosion-resistant materials, it operates stably under temperatures from -40 °C to +150 °C, pressures up to 6.3 MPa, and protection ratings of IP67/IP68. It supports liquids with density ≥ 400 kg/m³ and viscosity ≤ 0.4 Pa·s, ensuring accurate and safe level monitoring across diverse industries.

Oil & Gas / Petrochemical

The MG8310 is widely used in storage tanks, separators, and chemical dosing systems. With FM, CSA, IECEx, and SIL certifications, it ensures safe operation in hazardous areas. Multi-float redundant detection improves reliability under fluctuating process conditions.

Chemical Industry

Featuring wetted materials such as 316L, titanium, Hastelloy, duplex stainless steel, and PTFE lining, the MG8310 withstands strong acids and alkalis. It delivers stable level control with a basic accuracy of ±10 mm in corrosive environments.

Water & Wastewater Treatment

With IP67/IP68 protection and probe lengths from 500 to 6000 mm, the MG8310 supports multi-point level control in tanks, pump stations, and sludge systems, enabling automatic pump control and alarm functions.

Food & Pharmaceutical

Using hygienic materials like 316L stainless steel and PTFE, the MG8310 ensures contamination-free level monitoring. Its long contact life (≥ 10⁵ cycles) and stable switching performance meet GMP and food safety requirements.

Pulp, Metallurgy & Power Industry

The MG8310 performs reliably in high-temperature, high-humidity, and high-vibration environments. Its robust aluminum housing and lightning protection compliant with EN61000-4-4/5 Level 4 ensure stable operation in industrial and power applications.

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+86-183-8100-2380
chunhua.zhang@mega-tek.cn
hemin@mega-tek.cn
No.618, Kelin West Road, Wenjiang District,
Chengdu, Sichuan Province, China

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