FRD丨Intelligent Differential Pressure Transmitter in Vacuum Pump Industry Measurement and Control

Customer Background and Requirements

A renowned foreign-owned vacuum pump manufacturer serves industries such as general manufacturing, chemicals, mining, steel, power, and environmental protection. In managing water ring pump rooms, precise flow meter control is critical for ensuring stable pump operation, optimizing efficiency, and maintaining product quality.

The company faced challenges in flow measurement and control within their water ring pump rooms. Existing equipment lacked accuracy, failing to detect subtle flow variations, which caused deviations in pump parameters, increased energy consumption, and reduced equipment lifespan. Stability issues led to frequent data fluctuations during continuous operation, disrupting production. Traditional devices also provided limited parameters (only single flow data), had poor compatibility with automated systems, and generated chaotic signal outputs, hindering real-time monitoring. These bottlenecks impacted productivity and product quality.

 Solution

To address differential pressure transmitter deployment in key vacuum pump pipelines for flow measurement and control:

  1. High-precision, wide-range products ensured accurate fluid pressure measurement.
  2. Multi-protocol communication and data transmission enabled seamless integration with automated systems, supported by digital temperature compensation and nonlinear correction for stability.
  3. On-site LCD displays provided real-time flow visibility, while explosion-proof design and standard interfaces ensured safety in harsh environments.
  4. IEC 801-compliant electromagnetic performance eliminated interference with sensitive equipment.

Shandong Friend Control System Co., Ltd. recommended the FD3051SDP, a high-precision single-crystal silicon differential pressure transmitter. This device uses advanced digital technology and sensor design, with precise temperature compensation and nonlinear correction for superior accuracy.

Implementation Results

The FD3051SDP delivered significant improvements:

  1. Enhanced accuracy optimized pump operation, reducing failures and energy costs.
  2. Stable data output eliminated production disruptions and improved quality consistency.
  3. Real-time transmission enabled intelligent monitoring and control.
  4. Simplified operations via HART375 communicators cut labor and time costs.

“FRD’s FD3051SDP transformed our pump room’s ‘flow blind spots’ into ‘control strongpoints’—differential pressure data now directly drives pump systems. This is the smart pump room we envisioned!”
—Project Implementation Director

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