Endress+hauser D8CB CNGmass Coriolis flowmeter

Description

Endress+hauser D8CB CNGmass Coriolis flowmeter

The Endress+Hauser CNGmass D8CB is a groundbreaking Coriolis flowmeter specifically engineered to meet the rigorous demands of compressed natural gas (CNG) refueling applications. As the market for natural gas continues its robust growth, particularly as a clean and efficient alternative fuel for vehicles, accurate and reliable measurement becomes paramount. The D8CB is designed for seamless integration into CNG dispensers, providing highly precise mass flow measurements that are entirely independent of fluctuating pressure and temperature conditions. This independence ensures consistent accuracy, which is crucial for fair billing and efficient operation in high-pressure environments. Its specialized design marks it as an indispensable tool for the evolving landscape of sustainable transportation.

Measuring Principle: Independent, Accurate, Dynamic Flow

The core of the CNGmass D8CB’s exceptional performance lies in its sophisticated Coriolis measuring principle. This advanced technology ensures that the mass flow measurement remains consistently accurate, entirely independent of the physical fluid properties such as viscosity or density. This is a critical advantage in CNG applications where gas properties can subtly shift due to variations in composition or temperature. Unlike other measurement technologies that might be affected by these changes, the D8CB provides stable and reliable data, crucial for custody transfer and operational efficiency. This independence guarantees that the accurate measurement of compressed natural gas in high-pressure refueling scenarios is maintained, ensuring fairness and precision for both suppliers and consumers.

Device Properties: Robust, Compact, High-Pressure Ready

The CNGmass D8CB boasts a suite of device properties optimized for the demanding environment of CNG refueling. It supports flow rates up to an impressive 150 kg/min (330 lb/min), catering to rapid refueling needs. Designed to withstand extreme conditions, it handles process pressures up to 350 bar (5080 psi), ensuring robust and safe operation. A rupture disc is available as an additional safety feature, enhancing protection in high-pressure systems. The device features a robust and compact transmitter housing, minimizing footprint while maximizing durability. Although there is no local display, configuration is straightforward via operating tools, allowing for efficient setup and maintenance. Its Modbus RS485 communication capability ensures easy integration into existing control systems, making it a versatile component in any CNG dispenser setup.

Benefits: Safety, Efficiency, Space, and Smart Data

The CNGmass D8CB offers significant benefits that translate into enhanced operational safety, improved efficiency, and smart data management. Its robust design ensures excellent operational safety, providing reliable performance even under extreme process conditions inherent in high-pressure CNG systems. By offering multivariable measurement capabilities—simultaneously delivering mass flow, density, and temperature data—it reduces the need for multiple process measuring points, simplifying installation and reducing overall system costs. The space-saving design, requiring no specific inlet or outlet run lengths, allows for flexible installation even in confined spaces, a common challenge in dispenser applications. The compact transmitter further contributes to space efficiency while offering full functionality. Fast commissioning is ensured through pre-configured devices, and automatic data recovery simplifies servicing, minimizing downtime and maintenance efforts.

Specific Applications: CNG Dispensing Precision

The Endress+Hauser CNGmass D8CB is meticulously designed for highly specialized applications within the compressed natural gas (CNG) infrastructure. Its primary and most critical application is in CNG dispensers, where it provides highly accurate and reliable mass flow measurement for vehicle refueling. This precision ensures fair and accurate billing for customers, which is paramount for consumer trust and operator profitability. Beyond direct refueling, the D8CB is also vital in CNG storage and transfer systems, where high-pressure gas needs to be accurately metered as it moves between storage tanks and distribution networks. Furthermore, it plays a key role in cascade filling systems, ensuring precise control over the transfer of CNG from high-pressure storage to vehicle tanks. Its ability to measure mass flow independently of pressure and temperature fluctuations makes it indispensable for ensuring consistent quality and quantity during all stages of CNG handling, from the main supply line to the final dispensing nozzle.

Sensor Features: High-Pressure, Reliable, Compact Design

The sensor component of the CNGmass D8CB is a marvel of engineering, optimized for extreme conditions and precise measurement. Its design prioritizes excellent operational safety, ensuring reliability even under the highest process pressures and varying temperatures. The sensor provides multivariable measurement, delivering mass flow, density, and temperature readings from a single device, thus reducing the number of necessary process measuring points and simplifying system architecture. Its space-saving installation design eliminates the need for specific inlet or outlet run lengths, offering flexibility in tight installation spaces, which is often the case in CNG dispensers. Capable of handling flow rates up to 150 kg/min (330 lb/min) and process pressures up to 350 bar (5080 psi), it is built for high-performance and safety. The measuring tube is crafted from 1.4435 (316L) stainless steel, and connections from 1.4404 (316/316L), ensuring superior corrosion resistance and longevity.

Transmitter Features: Compact, Smart, Seamless Integration

The transmitter of the CNGmass D8CB is a compact powerhouse, designed for seamless system integration and intelligent operation. Its space-saving design ensures full functionality within the smallest possible footprint, which is crucial for modern, efficient CNG dispensers. Commissioning is remarkably fast, thanks to pre-configured devices that minimize setup time. A key feature is the automatic recovery of data, simplifying servicing and ensuring that critical configuration data is preserved, reducing downtime. The transmitter is housed in a robust and compact casing made of AlSi10Mg with a protective coating, guaranteeing durability in harsh industrial environments. While there is no local display for direct operation, configuration is easily managed via external operating tools. Its Modbus RS485 digital communication capability provides a reliable and widely used interface for integration with programmable logic controllers (PLCs) and other control systems, facilitating real-time data exchange and process control.