The installation of large diameter electromagnetic flowmeter scale technical main point

Abstract: the scale of large diameter electromagnetic flowmeter installation technology main point information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. The normal use of large diameter electromagnetic flowmeter, first, to ensure that the correct installation. Large diameter electromagnetic flowmeter installation process, in order not to influence the detection precision of measuring system, must be strictly meet the following technical requirements. Level 1, the electrode axis. 。 More flow meter manufacturers choose model price quote you are welcome to inquire, here is the installation of large diameter electromagnetic flowmeter scale technology essentials article details. The normal use of large diameter electromagnetic flowmeter, first, to ensure that the correct installation. Large diameter electromagnetic flowmeter installation process, in order not to influence the detection precision of measuring system, must be strictly meet the following technical requirements. Level 1, the electrode axis. Electromagnetic flowmeter sensor installation, the axis of the two electrodes must be in a horizontal direction. 2, full of measured medium measuring tube. Ensure measuring tube filled with water, not the full package or bubble gathered phenomenon in the measuring tube. 3, meet the requirements of flow direction and straight pipe. Sensors on the direction of the arrow to medium flow direction; Large diameter electromagnetic flowmeter ( Sensor and converter fission installation) Design are installed in the pipeline flow meter borehole. In order to guarantee the accuracy of the measurement, must ensure that the flow meter before 10 d / 2 d straight pipe requirements ( D for the nominal diameter) 。 Second, the process quality of large diameter electromagnetic flowmeter installation 1, the sensor with the arrow on the slip joint assembly according to the sensor on the downstream side of the meter installation of grounding ring and expansion joints, and the expansion joints adjustment for the shortest state. 2 well fracture flow meter, flowmeter borehole fracture steps are as follows: ( 1) Confirm the installation sensor fracture site, accurate measurement is broken tube size ( According to the size of slip joint stretch after) 。 ( 2) Pipeline fracture area is blank, do m words into tube steel support, ensure pipe roundness, prevent the pipe end deformation after fracture effect flange installation. ( 3) After fracture, with mechanical method processing groove, pipe end both sides to fulfill the requirements of welding flange. 3, lifting assembled sensor and expansion joints, total weight about 6 t, the scene with 25 t truck crane hoisting in place. After hoisting in place, adjust the release of the expansion joints, between the upper flange and the sensor equipped with grounding ring, gasket, through to align and tighten bolts; Also in the downstream of flange to the slip joint with gasket, between through bolts and tighten. 4, adjust the upstream and downstream piping flange welding flanges and grounding loop and the position of the gasket, tighten bolts, and welding. Demolition of upstream and downstream flange bolt, adjust the contraction expansion joints, the flange from upstream and downstream flow meter and the slip joint, flange inside welding space set aside. Flange and the way of fillet welding 2 slices of upstream and downstream of the flange. 5, joint nondestructive testing and anticorrosive processing ( 1) Testing standard and qualified level all flange joint Angle seam need to nondestructive testing, using electromagnetic detection, check the proportion is 100%. JB4730 - quality should comply with the standards 2005 secondary requirements. If check the defects of pipe flange weld is overweight, should be timely treatment, eventually make re-inspection qualified. Any weld can only be repaired again. ( 2) Medial anticorrosion flange inside and outside the flange welding steel pipe fittings and steel pipe ontology approach is the same, flange weld external anticorrosive coating modified chlorosulfonated polyethylene anticorrosive coatings; Flanges non-toxic epoxy coating anticorrosive coatings for water level. In many side adopts two bottom two surface coating. 6, sensors, expansion joints overall fastening positioning flange weld after inspection qualified, upstream and downstream into the sensor slip joint fastening localization process as a whole. ( 1) Adjust the release of the expansion joints, between the upper flange and sensors, equipped with grounding ring, gasket, through bolts and tighten. ( 2) In the downstream of flange to the slip joint with gasket, between through bolts and tighten. ( 3) According to the symmetrical way, tighten all flange bolts and installation position sensor and slip joint. 7, overall system hydrostatic test sensor and slip after the installation, should be performed with water pipe hydraulic test. The test pressure is 1. Five times the pressure of work. After water pressure test, can be put into operation. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.

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