Winter Freeze Prevention in Chemical Plants: 4 Effective Methods for Emptying, Insulation, Heating, and Circulation
December 2, 2025
Chemical plants often consist of numerous interconnected equipment, pipelines, and instruments working together to ensure smooth operation. Given the scale...
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Methods for Expanding the Range of Flowmeters
December 2, 2025
OverviewExpanding the range of flowmeters is a common requirement in industrial measurement, especially when process parameters change or equipment is...
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Vacuum Resistance of Electromagnetic Flowmeter Liners: Materials and Selection Guide
December 2, 2025
Introduction The performance of electromagnetic flowmeter liners under vacuum conditions directly impacts the measurement accuracy and service life of the...
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Detailed Guide on Gas Detector Calibration: Standards and Procedures
December 1, 2025
Gas detector calibration is a critical process that ensures the accuracy and reliability of gas detection equipment. Proper calibration is...
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Purpose of the Three-Valve Manifold Operation Sequence
December 1, 2025
When operating a three-valve manifold for differential pressure instruments, two principles must always be observed: Never allow the condensate or...
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Understanding GO/NO-GO Gauges: Why “Dimensionally Qualified” Parts Still Fail During Assembly
November 30, 2025
In machining and manufacturing workshops, many engineers have encountered the following paradox: The inspection team insists: “All dimensions are within...
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Pulse Signal Selection and Timing in DCS Control Logic
November 30, 2025
Pulse signals are widely used in Distributed Control Systems (DCS) to trigger one-time actions such as valve actuation, counter increments,...
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Should Metal Hoses Be Installed Before or After the Emergency Shut-Off Valve?
November 30, 2025
In tank farm piping design, both metal flexible hoses and emergency shut-off valves (ESVs) are critical safety components. However, when...
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The Principle and Application of Thermal Relays
November 30, 2025
Thermal relays are essential components in electrical systems, widely used for overload protection of motors and other electrical equipment. Their...
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Why Winter Insulation is Critical for Instrumentation and Pipelines in Factories
November 30, 2025
In the winter months, many factories, especially in northern regions, are most concerned not with large equipment, but with the...
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The Working Principle of Vortex Flowmeters and the Need for Temperature and Pressure Compensation when Measuring Steam
November 29, 2025
1. Working Principle of Vortex Flowmeters Vortex flowmeters operate based on the Kármán vortex street principle. The core mechanism involves...
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Differential Pressure Transmitter: Dry and Wet Capillary Connections
November 29, 2025
A differential pressure transmitter is a widely used instrument in industrial processes. As part of the process control system, it...
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Understanding Positive Displacement Flowmeters: From Structure to Installation
November 29, 2025
Key Components of a Positive Displacement Flowmeter A positive displacement (PD) flowmeter is composed of several essential parts, each serving...
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MES System and Its Functional Modules: How MES Connects with Field Instruments
November 29, 2025
Manufacturing Execution Systems (MES) play a crucial role in bridging the gap between enterprise-level planning (ERP) and real-time shop-floor operations....
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Common Issues to Avoid When Using Ultrasonic Flow Meters
November 29, 2025
Ultrasonic flow meters are highly convenient instruments, particularly suitable for measuring flow rates in large-diameter water supply pipelines. Portable ultrasonic...
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Selection of Instrument Signal Cables and Explosion-Proof Flexible Conduits
November 28, 2025
The proper selection of instrument signal cables and explosion-proof flexible conduits is crucial in ensuring signal integrity, operational safety, and...
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Five Practical Methods to Prevent RS-485 Signal Attenuation
November 28, 2025
RS-485 is one of the most widely used serial communication standards in industrial automation, building control, and security systems. It...
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Identifying and Eliminating Oscillations in Control Systems
November 28, 2025
In daily process control operations, periodic oscillations act like an "invisible killer" to equipment health. Even attenuating oscillations subtly accelerate...
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Safety Barriers vs. Signal Isolators: Do You Really Know the Difference?
November 27, 2025
A Practical Engineering Guide for Process Automation and Instrumentation SystemsIn industrial automation—especially in plants involving hazardous areas, field instrumentation, and...
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Detailed Explanation of Common Wiring Methods for Vortex Flowmeters
November 27, 2025
Vortex flowmeters are widely used instruments for measuring flow in various industries, leveraging the principle of vortex shedding. The wiring...
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