On January 28, the reporter learned from the Xinjiang Entry-Exit Inspection and Quarantine Bureau that, recently, the Alashankou port had returned 60 tons of reinforced wooden flooring worth 247,500 yuan. The batch of wooden flooring was imported from Russia. The reason for the return of formaldehyde was that the amount of formaldehyde released did not meet China’s mandatory standards. This was the first time that the Xinjiang Port had returned unqualified wooden flooring. After the batch of composite wood floors received the test results and were returned due to the problem of formaldehyde emission, the Xinjiang Entry-Exit Inspection and Quarantine Bureau interviewed the enterprises in a timely manner to help the company analyze the reasons for the failure and how to effectively circumvent the quality of imported products. Security risks give reasonable advice. (For more information on plate, please pay attention to China Plate Trading Network /)
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a) Sensor stays away from mechanical vibration source, for example, pump. Use flexible pipe to connect meter with pipeline if inevitable. The housing of meter must be standalone, out of touch with any other device. There must be 3 times the size of sensor between 2 sensors if there are many flow meters on the same pipeline, to avoid resonance.
b) Do not install sensor on pipeline that easily expands with hot and contracts with cold, especially near expansion joint, which leads to a worse stability.
c) Sensor stays away from industrial electromagnetic field, such as large generator and transformer, better 5m at least. Such device influences the performance of drive coil and pickoffs. Make sure magnetic field intensity less than 400A/m.
d) Sensor shall be installed on lower pipeline, to be easily full of fluid.
e) Make sure Ex-mark meet application requirements if in hazardous area.
f) Build a sunshade if the meter is under direct solar radiation. g) Keep the meter from corrosive liquid.
Xinjiang port first returned unqualified imported wooden floor