The Siemens SITRANS FC620 / FC640 7ME446 Coriolis Flowmeter is a rugged multi-parameter flow measurement system designed for high temperature, high pressure, and challenging industrial applications. It combines the FCS600 Coriolis sensor with either the FCT020 transmitter (FC620) or FCT040 transmitter (FC640) to deliver accurate mass flow, density, and process measurement.

Designed for extreme operating conditions, the SITRANS FC620/FC640 features durable dual curved measuring tubes, excellent vibration resistance, and corrosion-resistant materials. It is suitable for applications requiring reliable measurement performance in chemical, oil & gas, energy, and industrial process environments.

Key Features

• High-performance Coriolis mass flow measurement technology
• Designed for high temperature applications up to 350 °C (662 °F)
• Supports high pressure applications up to 700 bar (10,153 psi)
• Measures mass flow, density, and process parameters
• Dual curved measuring tubes for improved stability
• Wetted materials available in 316L stainless steel and Alloy 22
• Excellent resistance to corrosive fluids
• Advanced diagnostics and aeration handling capability
• Compact or remote transmitter installation options
• Available with flange or threaded process connections
  

Applications

• High-pressure chemical processing
• Petrochemical production
• Oil & Gas measurement systems
• Hydrogen and specialty gas applications
• Industrial chemical transfer
• Power generation processes
• High-temperature fluid measurement
• Critical process control systems

Selection Notes

Before selecting the Siemens SITRANS FC620 / FC640 Coriolis Flowmeter, consider:

• Required flow range and pipe size
• Maximum operating temperature and pressure
• Process medium characteristics
• Corrosion resistance requirements
• Required accuracy and density measurement needs
• Sensor material selection
• Compact or remote transmitter configuration

Correct configuration ensures reliable measurement performance in extreme industrial environments.

FAQ

Q1: What is the difference between SITRANS FC620 and FC640?
The SITRANS FC620 uses the FCT020 transmitter, while the SITRANS FC640 uses the advanced FCT040 transmitter combined with the FCS600 Coriolis sensor.

Q2: What makes SITRANS FC620/FC640 suitable for high-pressure applications?
The flowmeter features a robust construction with durable measuring tubes and supports pressure applications up to 700 bar depending on configuration.

Q3: Can SITRANS FC620/FC640 handle high-temperature fluids?
Yes. The system is designed for demanding applications with temperature resistance up to 350 °C.