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Elliptical gear flow meter troubleshooting and analysis:
First, the gear may not rotate Possible causes:
1. Impurities fall into the table during installation, and the elliptical gear is stuck.
Measures: Re-install after washing and washing, press the mark marked by the oval gear Note: The new table is easy to occur, and the oval gear is placed according to the mark number.
2. The liquid to be measured is not clear and the filter is filled with impurities.
Measure: Wash the filter to remove impurities
3. The measured fluid pressure is too small.
Measure: Pressurize the second, the oval gear rotates but the pointer does not move Possible causes:
1. Drive wheel jamming measures: Remove impurities and add lubricant
2. Coupling gear loosening measures: Re-tighten gear 3. Shaking phenomenon when the pointer rotates. Possible cause: Excessive flow rate, exceeding the specified value. Measures: Adjust the flow rate to the specified value. 4. Irregular noise may occur when the oval gear rotates. : Flow is too large, exceeds the specified value Action: Adjust the flow to the specified value 5. Pointer reverses, character wheel reverse Possible cause: The direction of the liquid flow is opposite to the arrow marked by the case
Measures: Demolition, installation according to the direction of the direction Six, the error is too large, negative possible causes:
1. The flow is too small measures: change the smaller diameter flow meter
2. Bypass leakage measures: Check the bypass to prevent leakage
3. The service life is too long, the elliptic gear wears more measures: adjust the gear according to the error change value, the error is too large, and the positive difference may cause:
1. The gas contained in the liquid measures: install a gas separator in front of the watch and prevent leakage at the flange joint.
2. The meter checks the indexing of the word wheel after repair is not at the position of the pointer at "0", causing misreading measures: the position of the pointer when correcting the word wheel position
Remarks: Allocate gears to manufacturers, or send factory repairs
3. Viscosity of the liquid and the viscosity of the calibration liquid differ too much. Measures: Change the value of the error, change the gear Note: To the manufacturer to adjust the gear
Sample display:
After-sales and warranty
All products supplied by Duo Qin Instrument (Shanghai) Co., Ltd.:
All products are warranted for 2 years;
Provide free telephone consultation, guide installation and commissioning services;
Negotiate door-to-door installation, commissioning and other issues, and only charge reasonable travel expenses;
Large amount can be free to guide the installation, commissioning;
Service tenet: No matter how long the product is used, as long as you find us, we will solve all problems for you until you are satisfied. We believe that our experience in the flow meter industry for more than 10 years can bring you satisfactory service.
Note: The flow meter has many specifications, not a price product, different caliber, different configuration, the price is different, need to be based on your working conditions selection quote ~~~
Dochin Instrument (Shanghai) Co., Ltd. Main products: electromagnetic flowmeter, vortex flowmeter, turbine flowmeter, ultrasonic flowmeter, V-cone flowmeter, metal rotor flowmeter, oval gear flowmeter, ultrasonic cold heat meter and (Explosion-proof type) quantitative control system and other products, your needs and satisfaction is always our pursuit, welcome to call the communication consulting.
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