Flow Measurement & Control


Ultrasonic flowmeter for superheated steam

November 2017 Flow Measurement & Control

Krohne’s Optisonic 8300 represents a dedicated ultrasonic flowmeter for the measurement of superheated steam. The 2-beam instrument stands out with a measuring accuracy of 1%, high repeatability, and a large dynamic measuring range. Typical applications include boiler and plant efficiency monitoring in power plants, energy balancing or inter-company steam billing.

As downtime of steam pipes is very costly and must be avoided, the 8300 was built for long-term use. It features a full bore flow sensor without moving parts or obstructions, and an overall sturdy and robust construction with no cables or sensitive parts exposed. Therefore, it can uphold its measuring accuracy without maintenance or subsequent calibration for up to 20 years, while keeping operating costs at a minimum. If verification of the measuring accuracy should become necessary, it can be provided by using the flowmeter diagnostics, without removing the flowmeter. With nominal sizes ranging from DN 100-1000, the new flowmeter is particularly suited to high flow rates. Pressure rating up to 200 bar and temperature rating up to 540°C are available, with higher requirements on request. With temperature and pressure sensors connected to the device, the integrated flow computer can calculate steam mass flow. Optisonic 8300 adds to Krohne’s portfolio of ultrasonic process and custody transfer meters for liquids and gases, ranging from compressed air to liquid natural gas.

For more information contact Clayton Duckworth, Krohne SA, +27 (0)11 314 1391, c.duckworth@krohne.com, www.za.krohne.com


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