Domestic orifice meter scale manufacturers

Abstract: the domestic orifice meter scale manufacturer information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Summary of domestic a orifice meter manufacturer, this product according to the international standard ISO5167 or the provisions of the national standard GB/T2624. No real flow calibration. It is strong, simple structure, easy installation, stable performance and reliable use. Take is annulus pressure, pressure way. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a domestic orifice meter scale manufacturer article details. Summary of domestic a orifice meter manufacturer, this product according to the international standard ISO5167 or the provisions of the national standard GB/T2624. No real flow calibration. It is strong, simple structure, easy installation, stable performance and reliable use. Take pressure method is annulus pressure, single borehole pressure and flange taps. Nominal pressure, less than 40 Mpa. When & ge; 20 Mpa, will use the high pressure orifice or lens all welded type orifice. Nominal diameter, 50 ~ 100 mm, when nominal diameter is less than 50 mm, need to make cost orifice. For precision & plusmn; 0. 5%~± 1. 5% domestic orifice meter manufacturer, install a lot of customer in the installation process, will be careless, some do not pay attention to small details, can affect the use of orifice meter, the accumulation of long time also will appear all sorts of problems, first look at your measurement is a gas, liquid or steam. The pressure in the upper pipe gas, Liquid pressure on the side of the mouth but not in the right, of sedimentary particles can block the take pressure; Words of steam pressure in the tube side. 1, before installation should check the throttle device number and size is accord with the requirement of pipe installation location. 2, new piping system, must after washing and sweeping the pipe line for the installation of the orifice plate. 3, pay attention to the direction of orifice plate installed & other; +” Number should be thinking about flow velocity. 4, orifice plate center and the center line of the pipeline should be overlap, concentricity error must not exceed 0. 015 ( 1 /β - 1) The numerical values. 5, orifice plate in the pipe installation shall guarantee that the end face perpendicular to the pipe axis, perpendicularity error must not exceed & plusmn; 1° 。 6, clamping orifice plate with sealing gasket ( Including the ring chamber and orifice plate with flange, ring room) After the clamping, not into the pipe wall. 7, orifice plate installation must be tight, there is no leakage phenomenon exists. Therefore, the installation work must be conducted before the pipeline pressure test. 8, guide pressure pipe should be vertical or inclined, laying the slope shall not be less than 1:1. High viscosity fluid, the slope should also be increased. 9, in order to avoid the differential signal transmission distortion, the positive and negative pressure guide tube should be close to laying, cold region also antifreezing measures should be taken. Can use electric heating or steam heat preservation, but to prevent overheating of measured medium vaporization and gas generated in the guide pipe fake differential pressure. 10, installation requirements of the orifice plate, and straight pipe length, don't know can ask manufacturer, or according to the former 20 d after 10 d to pack ( D refers to the orifice diameter) 。 11, plus or minus pressure leads to the guide of pressure pipe keep parallel under any circumstances. Orifice meter debug: 1, connected to signal lines, power cord 2, open the import and export valves, import and export valve opening to line 3, open the three stainless steel valve group balancing valve, slowly open the orifice to the high and low pressure valves, stay fluid through the flowmeter balancing valve can be closed after three stainless steel valve group. Domestic orifice meter factory three characteristics, 1, removable and check the sex: the root valve can solve the problem of transmitter disassembly and pressure pipe blockage. Shut off the root valve can cut off measuring system and access, easy to tear open outfit three valve group and differential pressure transmitter and other components. Shut down three valve group may cut off the pipeline connection with differential pressure transmitter, such as a hole or blockage in a root valve orifice take pressure, can through the radiator water injection hole pressure purging. Also can open the radiator outlet to drain ( Drainage should be renewed after liquid) , radiator fluid injection hole, also can be in when necessary to determine the root valve block. 2, the unidirectional pressure impact: three valve set by central valve open, in order to avoid in the process of running, lifting pipe when the valve to the individual impact of differential pressure transmitter. 3, fluid sealing: valve closing root, first will bring pressure system filled with liquid, liquid seal effect. Filling liquid can keep the pressure in the tube, make any pipe medium can't enter the differential pressure transmitter, have the effect of heat shock, prevent bubbles, add the appropriate antifreeze can realize reliable antifreeze. 4, which can realize the isolation of the liquid or gas: when measuring liquid or gas can be filled with spacer or water in the radiator, liquid-liquid separation or gas-liquid separation can be effectively protect the differential pressure transmitter from the corrosive liquid and the foul gas. 5, heat resistance and balance: through the radiator filler in the fluids can make the two cooling device in the liquid level height consistent, thereby guaranteeing the measurement accuracy of differential pressure transmitter; Container of liquid at the same time, also can ensure the differential pressure transmitter damage from overheating. 6, differential pressure, pressure, temperature of the composite: pressure transmitter and composite amplifier integrated design, can provide the correct flow calculation and low cost provides the pressure and temperature measuring signal. Reduces the need to part of temperature, pressure compensation when transmitter, connecting wire cost. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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