Elliptical gear flowmeter, lumbar flowmeter, spiral rotor flowmeter installation and use precautions

A filter should be installed in front of the flowmeter, and the arrows on the front surface of the flow meter are aligned with the flow direction.
1) The filter should be installed before the flowmeter, and the arrows on the two bodies are aligned with the flow direction.

2) When the liquid to be tested contains gas, a gas separator should be installed before the flow meter

3) Regardless of whether the pipe is installed vertically or horizontally, the shaft of the flowmeter is installed in a horizontal position (ie, the dial should be perpendicular to the ground).

4) If the flowmeter is in the correct installation condition, if the reading is not easy to read, the counter can be rotated 180 degrees or 90 degrees.

5) The throttle valve should be installed at the inlet of the flow meter. The opening and closing valve is installed at the outlet. When using the open and close valve, start slowly. Do not open the valve suddenly.

6) It is strictly forbidden to use sweeping steam through the flowmeter.

7) In the continuous use department, the flow meter needs to add a bypass pipe

8) Before the flowmeter is installed, the pipeline needs to be flushed. When flushing, use straight pipe section (instead of the flowmeter position) to prevent welding slag and debris from entering the flowmeter.

9) It is strictly forbidden to use water to check the flowmeter composed of cast iron and cast steel.

10) The flow rate of the flowmeter should not exceed the technical requirements when in use. The flowmeter works normally at a maximum flow rate of 70~80%.

11) If the liquid to be tested is chemically corrosive, use a stainless steel "target=_blank> stainless steel flowmeter. If the corrosion is strong, use a 316 or 316L flowmeter.

12)

Sudden start and stop will produce a water hammer phenomenon, which will easily damage the flow meter. When using for the first time, slowly open the valve in front of the flowmeter, fill the flowmeter with liquid, and start recording the starting number of the flowmeter (terminating the number minus the starting number, which is the amount of fuel for this time), and then slowly turning on the flowmeter. The valve behind. A centrifugal pump is recommended. The flow meter should be installed behind the pump.
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