Explosion-proof flow switch
Explosion-proof flow switch

Explosion-Proof Flow Switch GF90 – 270℃

Explosion-Proof Flow Switches are used in places prone to explosion. Sino-Inst’s explosion-proof flow switch can detect even very low flow rates. This product can be customized to 270℃. The device is suitable for any liquid and gas. The integrated operating principle ensures reliability and repeated operation of very viscous liquids. The explosion-proof mark of this product is ExdIICT6 Gb. This product can output open + normally closed output (SPDT), 4- 20mA.

  • Corrosion resistance
  • Long life
  • Waterproof: IP65
  • No special maintenance required
  • The detection probe and signal processing circuit are designed as one
  • Temperature compensation circuit
  • Circuit heating is small
  • This product can be customized to 270℃

Explosion-Proof Flow Switch Introduction

Explosion-proof flow switches are very reliable for single-point and dual-point switch points. The device is easy to detect flow, liquid level or temperature. Relay output, a variety of relay types and contact capacitance are available. Split installation is also possible.

The explosion-proof flow sensor is designed based on the L·V·King heat exchange principle. A flow sensor is installed at the front end, and there are two probes in contact with the medium. One measures the medium temperature, and the other measures the temperature and is heated. The temperature difference between the two probes is the largest when there is no medium flowing.

The temperature difference between the two probes becomes smaller when there is medium flowing. The size of the temperature difference is related to the flow rate of the medium. The greater the flow rate, the smaller the temperature difference; and the smaller the flow rate, the larger the temperature difference. The temperature difference is the largest when there is no flow. It is also related to the thermal conductivity and humidity of the medium itself. When the flow rate is lower or higher than a certain set value, the relay is turned on or off, and the switch signal is output.

Read More About Flow Switch.

Explosion-proof flow switch

Explosion-Proof Flow Switch Parameters:

Power supply DC24V±15%/100mA
Medium temperature -45~270℃
Relative humidity 5%~95%
Pressure resistance 0~5Mpa
Flow rate range Gas flow rate: 0.2~30m/s, Liquid flow rate: 0~10m/s
Protection level IP65
Explosion-proof level ExdⅡBT6
Contact capacity DC24V/2.5A
Power-on stabilization time ≤3 minutes
Connection cable RVV4×1.0. Outer diameter: 10mm±0.5mm
Installation method Thread G1/2, NPT1/2, G3/4, NPT3/4, flange and other structures

 

Explosion-proof flow switch

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Sino-Inst’s explosion-proof flow switch meets strict explosion-proof standards. Explosion-proof flow switches are essential for production safety. Sino-Inst’s explosion-proof switches support customization and OEM. If your industry has flammable and explosive media, then you need an explosion-proof flow switch. If necessary, please contact our Sino-Inst professional engineers. We will recommend a suitable measurement solution for you.

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Explosion-Proof Flow Switch Applications

Petrochemical industry

Explosion-proof flow switches are widely used to monitor and control the flow of various liquids, gases and flowing solids. Since flammable gases or steam may exist in these environments, the explosion-proof function of explosion-proof flow switches is crucial.

Petroleum and natural gas industry

Transportation and processing, explosion-proof flow switches are used to monitor the flow of natural gas to ensure the safe operation of pipeline systems.

Pharmaceutical Industry

Explosion-proof flow switches are used to control the flow of liquids and gases in the pharmaceutical production process.

Energy Industry

The application of explosion-proof flow switches in the energy industry is mainly reflected in the precise control of fluid flow. Through intelligent explosion-proof flow switches, energy companies can avoid safety accidents caused by excessive or insufficient flow.

Other Industrial Fields

In addition to the above industries, explosion-proof flow switches can also be used in other industrial fields that need to monitor fluid flow. such as metallurgy, mining, and electricity. In these industries, explosion-proof flow switches can protect equipment such as pumps and engines from damage caused by low flow or interruption of flow, ensuring the normal operation of equipment.

Explosion-proof flow switch

More Detail

What are the Typical Applications of Flow Switches?

  • Industrial Manufacturing
  • System Protection
  • Lubrication System Monitoring
  • Energy and Power
  • Turbine Flow Monitoring
  • Building Equipment
  • Heating and Ventilation System
  • Water Supply and Drainage System
  • Food and Beverage
  • Liquid Food Flow Control
  • Household Appliances Medical Equipment
  • Fire Protection System

Explosion-proof flow switch

What is the Difference between an Explosion-Proof Flow Switch and an Explosion-Proof Liquid Level Switch?

‌What is the Difference between an Explosion-Proof Flow Switch and an Explosion-Proof Liquid Level Switch?

Functional differences

  • ‌Explosion-proof flow switch‌: Mainly used to detect the flow of the medium in the pipeline. When the medium flow is lower than or higher than the set threshold, the explosion-proof flow switch will send a signal. It protects equipment and pipeline systems from damage caused by reduced flow or interruption of flow. It can be applied to various occasions where flow control is required, such as petrochemical, electric power, metallurgy and other flammable and explosive places.
  • ‌Explosion-proof liquid level switch‌: Mainly used to detect the liquid level in the container. When the liquid level reaches the preset height, the explosion-proof liquid level switch will send a signal to control the upper and lower limits of the liquid level to prevent abnormal situations such as overflow or emptying. It is widely used in equipment such as storage tanks and tank trucks that require liquid level control.

Application scenario differences

  • ‌Explosion-proof flow switch‌: It is suitable for hazardous environments that require flow control. Such as the petrochemical, natural gas, water treatment and pharmaceutical industries. It can protect pumps, engines or other equipment from low flow or interruption of flow.
  • ‌Explosion-proof liquid level switch‌: It is mainly used for liquid level control in containers such as storage tanks and tank trucks to prevent safety problems caused by excessively high or low liquid levels. It is widely used in chemical, petroleum, food and other industries.

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