Related Manuals for ddtop LG
Summary of Contents for ddtop LG
- Page 1 ORIFICE PLATE, VENTURI, NOZZLE FLOW METERS Operation Manual WWW.DDTOP.COM 1 / 13...
- Page 2 If you do not follow this manual, the protection provided by this instrument may be damaged. Trademarks, Copyrights and Restrictions Instructions Dandong Top Electronics Instrument (Group) Co., Ltd.®, Dandong Top Pump Co., Ltd.®, DDTOP® are registered trademarks of the company.
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Page 3: Table Of Contents
7.2 nstallation Technical Requirements ....................... 9 8 Requirements for the Use of Flow Element ..................11 9 Fault Analysis and Troubleshooting ...................... 11 10 Disassemble ............................12 10.1 Warning ..............................12 10.2 Waste Disposal ............................12 11 Product Certificate ..........................13 WWW.DDTOP.COM 3 / 13... -
Page 4: Safety Tips
Figure 1-2 Product Structure Diagram of Nozzle Flow Element Figure 1-3 Product Structure Diagram of Venturi Flow Element Figure 1-1 1- Flange, Clamp Flange, Welded to Site 2- Flow Element, Flow Measuring Element 3- Fasteners, Including Bolts, Nuts, Washers WWW.DDTOP.COM 4 / 13... - Page 5 4. Tap Short Section Figure 1-2 1. 入口圆筒 Entrance Cylinder 2. 圆锥收缩管 Conical Shrink Tube 3. Throat Tube 4. Conical Diffuser 5. Front Equalizing Ring 6. Back Equalizing Ring 7. Tap Tube 8. Connection Flange Figure 1-3 WWW.DDTOP.COM 5 / 13...
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Page 6: Operating Principle
4.4 The daily maintenance is small and the operation is simple. 5 Outline Dimension Diagram The dimensions of D and L in the picture are subject to the actual product. Figure 2-1 Schematic diagram of dimensions of the orifice plate flow element WWW.DDTOP.COM 6 / 13... - Page 7 Figure 2-2 Schematic diagram of dimensions of the nozzle flow element Figure 2-3 Schematic diagram of dimensions of the venturi flow element. Figure 2-1 Figure 2-2 WWW.DDTOP.COM 7 / 13...
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Page 8: Unpacking And Inspection
6.1.2 Check the quantity and material of each part against the packing list. 6.2 Check Content 6.2.1 Check whether the appearance of the instrument is defective or damaged. 7 Installation 7.1 Flow element is butt welded with the on-site pipeline to ensure the welding quality and WWW.DDTOP.COM 8 / 13... -
Page 9: Nstallation Technical Requirements
7.2.4 There shall be no sudden changes in pipe diameter at the connection of each pipe section and pipe fittings of the flow element. 7.2.5 For newly installed piping systems, the flow element must be installed after piping flushing and line sweeping. WWW.DDTOP.COM 9 / 13... - Page 10 (Figure 6). Figure 6 7.2.5.2 Each high point of the tapping signal pipeline must be equipped with a vent valve (Figure 7), and each low point must be equipped with a drain valve (Figure 8). Figure 7 WWW.DDTOP.COM 10 / 13...
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Page 11: Requirements For The Use Of Flow Element
8.5 Before the fluid flows through the flow element, its stream must be parallel to the axis of the pipeline, and there must be no rotating flow; 8.6 The standard flow element is not suitable for flow measurement of pulsating flow and critical flow. 9 Fault Analysis and Troubleshooting WWW.DDTOP.COM 11 / 13... -
Page 12: Disassemble
10.1 Warning Before disassembling, pay attention to dangerous process conditions, such as pressure, high temperature, corrosive or toxic media in the container, etc. 10.2 Waste Disposal Please follow the current regulations in each region for waste disposal. WWW.DDTOP.COM 12 / 13... -
Page 13: Product Certificate
11 Product Certificate WWW.DDTOP.COM 13 / 13...
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