Oval gear flowmeter scale installation considerations

Abstract: the oval gear flowmeter scale installation note information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. 1, instrument installation should be in the direction of the arrow direction as shown on the instrument shell and fluid flow in the same direction, the installation position should be paid attention to easy reading. 2, instrument installation as far as possible in normal situation, do not install in place of harmful gases and strong heat radiation, prevent instrument. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the elliptical gear flowmeter scale installation considerations article details. 1, instrument installation should be in the direction of the arrow direction as shown on the instrument shell and fluid flow in the same direction, the installation position should be paid attention to easy reading. 2, instrument installation as far as possible in normal situation, do not install in place of harmful gases and strong heat radiation, prevent the meter counter parts from damage. 3, instrument of the pitch axis installed into a horizontal position as much as possible, immediately dial should be installed in vertical position ( Dividing & other; 0' Should be in the above) To reduce the friction between the gear and shell asphalt, reduce the wear parts. Due to the installation position is different, in order to facilitate reading, can be counters ( Header) Rotate it 90 & deg; Or 180 & deg; 。 4, instrument before installation, pipeline must be thoroughly cleaned and in the whole pipeline system, without strict filtering device, filters should be installed in front of the instrument, to prevent impurities into the table. 5, meter should be installed at the outlet of the pump, flow control valve should be installed on the downstream side of the instrument. When used to open the upstream shutoff valve and then slowly open the downstream flow control valve or valve. It is forbidden to suddenly open or closed. 6, instrument when use, should make the inflow table filled with liquid. Within the measured liquid should not be mixed with gas, or a mixture of gas and liquid volume is measured, the measurement, the liquid mixed with gas, within the instrument must be installed upstream gas separator. 7, of the pipeline flow should not increase or decrease sharply, should avoid pipeline hydraulic shock and vibration, pressure phenomenon such as volatility, otherwise will affect the normal work of the instrument. 8, when the flow rate is in excess of that specified maximum flow, asphalt and wear increased with the rotating speed and the pressure loss has increased dramatically, should avoid to use. Below the minimum flow, is still can measure, but the error increase. 9, because when measuring high viscosity liquid, usually in order to reduce the viscosity of liquid heating, then the flow in the pipe. After the instrument downtime, instrument inside filled with liquid by cooling and become sticky, such as to enable the again, must be used on the outside of the table body heat, steam or other methods to reduce the viscosity of the liquid, the liquid viscosity reduced in the instrument to use. Or mucus will bite transmission parts, instrument damage. 10, measured liquid temperature should not be higher than the specified value, otherwise, the instrument can not work normally, even to be stuck. The liquid temperature change can cause additional error viscosity influence. In addition, temperature increase caused by crescent space increases, the volume is instrument & other; Walk slowly & throughout; , measuring room for cast iron, the elliptical gear for cast aluminum, additional error is + 0. 14%/100℃. 11, each instrument factory, all with 7 # machine oil at room temperature calibration, at room temperature, the viscosity of the oil is about 10 mpa. s。 If user use this large difference with the liquid viscosity, can exchange double gear. 12, do not sweep line steam and water through the instrument. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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