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Brief introduction of standard orifice flowmeter
The SKLG series of standard orifice flowmeters are differential pressure-based devices used to measure the flow rate of various fluids in pipelines. These flowmeters work by creating a pressure difference across a throttling element, such as an orifice plate or nozzle, which allows for accurate flow measurement when paired with a differential pressure transmitter or gauge. The orifice flowmeter is widely applied in industries like oil and gas, chemical processing, metallurgy, power generation, and more, due to its reliability and versatility.
When a fluid flows through a pipe and encounters a throttling device, it experiences a local constriction, causing an increase in velocity and a decrease in static pressure. This results in a measurable pressure drop across the throttling element. The magnitude of this pressure difference is directly proportional to the flow rate of the fluid, making it possible to calculate the flow by measuring the differential pressure. This method is grounded in the principles of energy conservation and continuity of flow.
The intelligent orifice flowmeter represents the next generation of flow measurement technology, combining flow, temperature, and pressure detection in one compact unit. It features advanced microcomputer technology, low power consumption, and robust performance. With automatic temperature and pressure compensation, it ensures high accuracy even under varying process conditions.
Key features of the orifice flowmeter include:
- Easy-to-manufacture and durable structure, ensuring long-term stability and cost-effectiveness.
- Complies with international standards for orifice calculation and design.
- Suitable for a wide range of single-phase fluids and some multiphase flows.
- Standard orifice plates can be used without the need for real-flow calibration.
- Integrated models simplify installation, eliminating the need for additional pressure piping.
- Equipped with high-precision, imported single-crystal silicon differential pressure sensors.
- Offers self-diagnosis, programmable settings, and real-time display of flow, pressure, and temperature.
- Provides full online compensation, self-adjustment, and a variety of communication interfaces.
- High stability, with a range ratio exceeding 10:1, and excellent resistance to overpressure.
Technical specifications include:
- Accuracy of ±0.075%
- Stability better than 0.1% FS per year
- Maximum static pressure up to 40 MPa
- No maintenance required for up to five years of continuous operation
- Capable of operating under high-pressure and high-temperature conditions
This advanced orifice flowmeter is ideal for modern industrial applications where precision, reliability, and ease of use are essential.