Technical Ways to Improve the Reliability of Gas Supply for Pressure Regulating Equipment
September 21 15:59:45, 2025
The "three-pressure" detection method is widely used to ensure the proper functioning of gas pressure regulators. This technique involves monitoring and adjusting three key pressure parameters: the outlet pressure (P2), the closed pressure (Pb), and the safety shut-off valve blocking pressure (Pq). By analyzing these pressures, technicians can effectively evaluate the performance of the regulator and identify any potential issues early on.
The process begins with the detection of the regulator's outlet pressure (P2). Using a station-based pressure recorder, a 24-hour continuous pressure test is conducted to monitor fluctuations and stability. If irregularities are detected, it may indicate a malfunction in the regulator, which should be addressed promptly to maintain safe and stable operation.
Next, the closed pressure (Pb) is tested under normal operating conditions. The system must be running properly, and the pipeline network should have sufficient air supply. The valve downstream of the pressure regulator is then closed, and the outlet pressure is observed. If the pressure rises to a certain level (P), it should not exceed 1.25 times P2. If it does, this indicates instability in the regulator, requiring immediate maintenance.
For the safety shut-off valve blocking pressure (Pq), the same operational conditions are maintained. The downstream valve is closed, and the regulator is adjusted to reach the set blocking pressure. Technicians then check if the safety valve activates correctly, ensuring that it can shut off the gas flow when necessary and respond quickly and reliably.
By performing these three-pressure tests, operators can determine whether the pressure regulator is functioning properly, whether its response is timely, and whether it remains stable under varying conditions. This proactive approach allows for early problem detection, enabling quick repairs and ensuring a consistent, safe, and reliable gas supply.
This method is commonly used by companies like Hebei Zhenxing Gas Regulator Co., Ltd. to maintain high standards of performance and safety in gas distribution systems. The information is sourced from their official website and has been adapted for clarity and practical application.
(Reference: Hebei Zhenxing Gas Regulator Co., Ltd. gas pressure regulator – http://)
(Editor: Hardware Business Network Information Center – http://news.chinawj.com.cn)
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