Schneider Electric施耐德2800 Series Flanged Magnetic Flowtubes ptfe, Polyurethane, and Neoprene Lined, 14- through 36-inch Sizes Flowtube Installation Style C安装和用户指南(英语).pdf

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Schneider Electric施耐德2800 Series Flanged Magnetic Flowtubes ptfe, Polyurethane, and Neoprene Lined, 14- through 36-inch Sizes Flowtube Installation Style C安装和用户指南(英语).pdf

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Instruction MI 021-137 February 2016 2800 Series Flanged Magnetic Flowtubes ptfe, Polyurethane, and Neoprene Lined, 14- through 36-inch Sizes Flowtube Installation Style C MODEL 2814 WITH ptfe LINING SHOWN MI 021-137 – February 2016 2 Contents Figures5 Tables 7 1. Introduction 9 General Description 9 Reference Documents 9 Principle of Operation10 Standard Specifications10 Ambient Temperature10 Electrodes10 Metering Tube10 Process Fluid Conductivity11 Maximum Cable Length 11 Minimum and Maximum Upper Range Values (URV) and Nominal Calibration Factors 12 Process Liquid Reference Signal14 Enclosure Construction14 Enclosure Finish15 Electrical Connections15 Mounting Position 15 End Connections15 Approximate Mass .15 Process Pressure and Temperature Limits 15 Product Safety Specifications17 Flowtube Identification 17 2. Installation 19 Unpacking and Handling Considerations19 General Precautions19 Lifting Flowtube for Mounting 20 Flowtube Sizing22 Installation Procedures 23 Flowtube Dimensions23 Flowtube Location and Mounting Position 23 Lining Application 26 Pre-Startup Flow Line Cleaning27 Process Liquid and Metering Tube Continuity 27 3 MI 021-137 – February 2016