When outlet pressure fluctuates in a gas pressure-reduction system, the cause may not be limited to the regulator itself. Inlet pressure, downstream flow demand, connection integrity, gauge configuration, and commissioning procedures can all affect performance. For a test line with high inlet pressure and a low outlet setpoint, a structured process—parameter verification, model confirmation, installation…
When the outlet pressure of a regulator is low, gauge selection matters alongside regulation performance. If the pressure gauge has an excessively broad range, operators may find it difficult to identify small changes in pressure. A regulator and gauge should therefore be selected as a coordinated system based on the operating conditions.
According to the…
When a gas purging or pipeline testing system requires a high inlet pressure and a much lower outlet setting, a standard pressure regulator may not meet the operating requirements. In particular, when the inlet pressure reaches 20 MPa and the target outlet pressure is only 5 PSI, selection should consider not only pressure ratings but…
When installing an explosion-proof vortex flow meter, the normal requirements for flow direction, straight-pipe conditions, alignment and vibration still apply. In addition, electrical installation in hazardous areas, applicable explosion-protection conditions, wiring and maintenance requirements need special attention.
1. Maintain a stable flow profile
First confirm the actual flow direction and make sure the meter arrow…
The core measurement principle of an explosion-proof vortex flow meter is still the Kármán vortex principle. The difference from a standard vortex meter mainly lies in the electrical and structural configuration required for use in specific hazardous areas.
When the medium passes a bluff body, periodic vortices are generated. The sensor detects the vortex frequency…
How should an explosion-proof vortex flow meter be selected? The key is to satisfy both the measurement requirements and hazardous-area requirements. In addition to flow, pressure, temperature and pipe size, the selection should consider the hazardous-area conditions, medium properties, applicable explosion-protection requirements, power supply and signal output.
For applications involving potentially flammable gases, vapors or…
The key installation considerations for a smart digital-display vortex flow meter include flow direction, straight-pipe conditions, pipe alignment, vibration, installation environment, display orientation and electrical wiring. Because vortex meters rely on a reasonably stable flow profile, the installation location can influence signal quality and operating stability.
1. Confirm flow direction and pipeline conditions
Before installation,…
The core measurement principle of a smart digital-display vortex flow meter is the Kármán vortex principle. When the medium passes a bluff body inside the meter, periodic vortices are generated downstream. The sensor detects vortex frequency and converts it into an electrical signal. The intelligent processing unit calculates the flow rate, and the display provides…
How should a smart digital-display vortex flow meter be selected? The key is to evaluate the medium, flow range, pressure, temperature, pipe size, installation conditions and output signals rather than focusing only on the digital display function. For steam, compressed air, nitrogen, natural gas and other gases or steam, a smart digital-display vortex flow meter…
The key installation requirements for a separated vortex flow meter include flow direction, straight-pipe conditions, pipe alignment, vibration, sensor/display positioning and signal wiring. Vortex meters are relatively sensitive to flow-profile disturbances, so installation should consider not only whether the meter can physically fit but also upstream disturbances, downstream equipment and the surrounding environment.
1. Confirm…
A separated vortex flow meter works by using the Kármán vortex principle. When fluid passes a bluff body, periodic vortices are generated downstream. The sensor detects the vortex frequency, and the signal-processing unit calculates the flow rate. Unlike an integrated structure, the separated configuration allows the measuring section and display/electronics to be installed separately, which…
How should a separated vortex flow meter be selected? The key is not simply the pipe size. The selection should consider the medium, minimum/normal/maximum flow rate, pressure, temperature, installation environment, and signal output. For steam, compressed air, nitrogen, natural gas and other gases or steam, a separated structure can be useful when the measurement point…
