Dual power LWQ gas turbine flowmeter LWQ-50 explosion-proof gas turbine flowmeter

Description :

　　This product is suitable for measuring natural gas, dry coal gas, compressed air, etc. It is widely used in the measurement and control systems of petroleum, chemical, metallurgical, scientific research and other fields.

　　1、 Technical parameters:

　　1. Instrument caliber and connection method: 25, 40, 50, 80, 100, 150, 200, 250 adopt flange connection; 25 and 40 can be connected by threads;

　　2. Accuracy level: ± 1.5% R, ± 1% R;

　　3. Range ratio: 1:10; 1:20； 1:30；

　　4. Display mode: Dual row LCD displays both instantaneous flow and cumulative flow simultaneously;

　　5. Instrument material: Body: 304 stainless steel; Impeller: anti-corrosion ABS or high-quality aluminum alloy; Display: cast aluminum;

　　6. Temperature of the measured medium (℃): -30 ℃ to+80 ℃;

　　7. Environmental conditions: Medium temperature: -30 ℃~+80 ℃, relative humidity: 5%~90%, atmospheric pressure: 86~106Kpa

　　8. Output signal: Standard two-wire 4-20mA (LWGQ-C type);

　　9. Transmission distance: ≤ 1000m;

　　10. Explosion proof grade: ExdIIBT6;

　　11. Protection level: IP65.

　　2、 Characteristics:

　　1. High quality alloy turbine with higher flow stability and corrosion resistance;

　　2. Imported high-quality specialized bearings with long service life;

　　3. The isolation between the measuring room and the ventilation room ensures the safety of the instruments;

　　4. It can detect the temperature, pressure, and flow rate of the tested gas, automatically track and compensate for the flow rate, and display the standard state; The cumulative gas volume of Pb=101.325KPa, Tb=293.15K; Real time query of temperature and pressure values;

　　5. Wide flow range (Qmax/Qmin ≥ 20:1), good repeatability, high accuracy (up to 1.0 level), low pressure loss, low starting flow rate, up to 0.6m3/h;

　　6. Multi point nonlinear correction of intelligent instrument coefficients;

　　7. Built in pressure and temperature sensors, high safety performance, compact structure, and beautiful appearance;

　　8. The instrument has explosion-proof and protective functions, with explosion-proof markings of Exd Ⅱ BT6 and Exia Ⅱ CT6, and a protection level of IP65;

　　9. The system operates with low power consumption, and a 3.2V10AH lithium battery can be used continuously for more than 3 years.

　　3、 Installation:

　　1. Before installation, the pipeline must be blown clean to prevent residual iron filings from affecting the normal operation of the flowmeter.

　　2. Before installation, if the turbine can rotate flexibly without irregular noise when blown by a small airflow, and the counting rotation is normal without any interruption or jamming, then the flowmeter can be installed and used.

　　3. During installation, a sealing gasket should be added between the flange and the pipeline flange.

　　4. A filter should be installed in front of the gas flowmeter, and an oil filter should be installed in places with dirty gas. Before placing an order, users can also place an order with our company. It is strictly prohibited to directly connect the filter and flowmeter.

　　5. Stop valves should be added before and after installation.

　　6. There should be no protrusions connected to the flange joint inside the pipeline.

　　7. When installing natural gas flow meters, it is strictly prohibited to directly weld at the inlet and outlet flanges to avoid burning out the internal parts of the flow meter.

　　8. Installed in a location that is easy to maintain, free from strong electromagnetic interference, mechanical vibration, and thermal radiation effects.

AfterSalesService :

• Dual power LWQ gas turbine flowmeter