The orifice flowmeter is a new generation flowmeter that integrates flow, temperature and pressure detection functions and can automatically compensate for temperature and pressure (supporting armored thermal resistance, pressure transmitter, differential pressure transmitter).
The orifice flowmeter is a new generation flowmeter that integrates flow, temperature and pressure detection functions and can automatically compensate for temperature and pressure (supporting armored thermal resistance, pressure transmitter, differential pressure transmitter). The microcomputer technology and the new micro-power technology have strong functions, compact structure, simple operation and convenient use.
The straight pipe section before and after the orifice of the orifice flowmeter must be straight. The straight pipe section used for the installation of the throttle should be smooth. If it is not smooth, the flow coefficient should be multiplied by the roughness correction sparse. Before the throttle member, a straight pipe section of sufficient length is required. When the upstream side of the throttle member is an open space or a large container with a diameter ≥ 2D, the open space or the straight pipe length between the large container and the throttle member shall not be less than 30D (15D). . If there are other local resistance members between the throttle member and the open space or the large container, then from the open space to the section, except that the minimum straight pipe length 1 is attached between the throttle member and the local resistance member. The total length of the straight pipe between the flow pieces shall not be less than 30D (15D).
The orifice flowmeter is mainly used for industrial metering of saturated steam, superheated steam, compressed air, heat transfer oil, mixed non-flammable explosive gas and hot water by sensing, transmission and operation display. Measurement, display, metering, and online automatic control of the production process can be used. The most important precaution for putting into operation is to start the operation after the pressure pipe is filled with water or the injected high temperature steam is cooled.
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