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Brief introduction of standard orifice flowmeter
The SKLG series of standard orifice flowmeters are differential pressure devices designed to measure the flow of various fluids within pipelines. These flowmeters work in conjunction with differential pressure gauges or transmitters, making them suitable for measuring liquids, gases, and steam. The throttling element in an orifice flowmeter can be a ring chamber orifice plate, nozzle, or similar components. When fluid flows through the throttling device, it creates a localized contraction, increasing velocity while decreasing static pressure. This results in a pressure difference before and after the throttle, which is directly proportional to the flow rate. By measuring this pressure difference, the flow rate can be accurately determined. This method is based on the principles of energy conservation and flow continuity.
The intelligent orifice flowmeter represents the next generation of flow measurement technology. It combines flow, temperature, and pressure detection into one compact unit, offering automatic compensation for both temperature and pressure variations. Utilizing advanced microcomputer technology and low-power design, it provides powerful functionality, a robust structure, and user-friendly operation.
**Key Features**
- The orifice flowmeter’s throttling device is simple, durable, and highly reliable, with a long service life and cost-effective design.
- It follows international standards for orifice calculation and processing.
- It can measure a wide range of single-phase flows and is also applicable to some two-phase flows.
- Standard orifice devices do not require real-flow calibration.
- Integrated models are easy to install, eliminating the need for additional pressure piping, allowing direct connection to differential pressure and pressure transmitters.
**Intelligent Orifice Flowmeter Features**
- Equipped with imported single-crystal silicon sensors for high precision and advanced self-diagnostic capabilities.
- Offers programmable functionality for flexible use.
- Displays cumulative flow, instantaneous flow, pressure, and temperature simultaneously.
- Provides online dynamic full compensation, self-diagnosis, and auto-ranging features.
- Supports multiple communication interfaces, ensuring compatibility with modern systems.
- High stability, with a range ratio greater than 10:1.
**Technical Specifications**
- High accuracy: ±0.075%
- Excellent long-term stability: better than 0.1% FS/year
- Maximum static pressure rating: 40 MPa
- No adjustment needed for five years of continuous operation
- Compensates for temperature and static pressure automatically
- Resistant to high overpressure conditions
These flowmeters are widely used across industries such as oil and gas, chemical processing, metallurgy, power generation, and more, due to their reliability, accuracy, and ease of integration. Whether you're looking for a basic or smart model, the orifice flowmeter offers a versatile and efficient solution for accurate flow measurement.