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The Essential Role of Radar Level Meters in Accurate Discharge Tank Measurements

Radar level meters, which operate on the principle of electromagnetic wave reflection, are non-contact instruments designed to measure liquid levels by emitting microwave pulses and receiving their reflected signals. The process involves transmitting high-frequency pulses from the radar probe towards the surface of the liquid being measured. When these pulses encounter the liquid’s surface, they […]

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Magnetostrictive Level Gauge: Working Principle, Applications, Maintenance, and Selection Guide

1. Working Principle (Core Logic: Magnetic Field Interaction + Time Difference Calculation) A magnetostrictive level gauge measures liquid level based on the magnetostrictive effect. The measurement process can be summarized as follows: The electronic unit sends a current pulse into the magnetostrictive wire located inside the probe. This pulse generates a circular magnetic field along

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Comprehensive Guide to the Five Most Common Flange Facing Types (FF, RF, TG, RJ, MFM)

1. Introduction In industrial piping systems, flange connections play a vital role in ensuring mechanical strength and sealing integrity. The core element of a flange connection lies in its facing type (also referred to as the sealing face).Different flange facings are designed to withstand varying pressure ratings, temperature ranges, and process media characteristics. Selecting the

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Differences Between Pressure Sensors, Pressure Relays, and Pressure Switches

1. Pressure Sensor (Transducer) Working Principle: Detects a pressure signal and converts it into a usable electrical signal (analog or digital). Applications: Widely used in industrial automation systems such as water resources, electric power, petrochemicals, aerospace, railways, and smart buildings. Features: Provides continuous output (e.g., 4–20 mA, 0–10 V, RS485). Interfaces with PLC, DCS, or

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Level Measurement Principle and Troubleshooting of Water Seal Tank

1. Operating Conditions The water seal tank level gauge is installed in the flare system (Unit 80). It is a critical instrument for monitoring the liquid level in the water seal tank, ensuring safe operation of the flare tail gas treatment system. High level condition: When the level exceeds the setpoint, the gauge generates an

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Application of Radar Level Meters in Coke Silos: Advantages and Case Analysis

The metallurgical industry heavily relies on coke as a critical raw material, making accurate storage and management essential for maintaining production efficiency and cost control. Coke silos play a crucial role as storage facilities, ensuring a stable supply for continuous operations. This article explores the unique characteristics of coke silos, the advantages of using radar

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Disturbance Factors Affecting Steam Temperature in Power Boilers

1. Introduction Steam temperature is one of the most critical parameters in thermal power plant operation. Compared with drum water level control, which has evolved into the classical three-element control system, steam temperature regulation remains highly complex. Multiple disturbance factors—ranging from load fluctuations to flue gas conditions and desuperheating water flow—can influence the dynamic behavior

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Safety Instrumented System (SIS) Operation and Maintenance Procedure

1. Introduction The purpose of this document is to establish standardized requirements for the operation, inspection, maintenance, and overhaul of the Safety Instrumented System (SIS).The SIS is defined as an instrumentation system used to execute one or more Safety Instrumented Functions (SIF). It consists of sensors (e.g., switches, transmitters), logic solvers (controllers), and final control

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11 Common Pressure Transmitter Failures: Root Causes and Quick Fix Guide

1. Introduction Pressure transmitters are widely used in boilers, steam systems, compressors, and chemical processes. However, due to harsh environments, installation mistakes, and signal interference, various failures frequently occur.This document summarizes 11 real-world cases of common pressure transmitter malfunctions, including their symptoms, root causes, and corrective actions. 2. Case Studies of Common Failures Case 1

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