Differential pressure flow measurement: SITRANS FP

With the SITRANS FP product line Siemens offers a complete solution for differential pressure flow measurements. This well-established technology is suitable for all kinds of applications – liquids, dry or humid gases and steam. Due to the robust though variable design it has been and still is one of the main technologies for flow measurement in various industries.

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The new product line offers full flexibility for your processes. SITRANS FP is not a simple substitution of our previous orifice program but a completely new setup. A new digital sizing process ensures minimum effort during presales and full traceability in aftersales. The differential pressure portfolio consists of the pitot tube measuring system SITRANS FPS300 and the differential pressure sensors according to ISO 5167 (orifices) SITRANS FPS200.

Benefits

  • Suitable for a vast range of different applications
  • Available as pre-mounted compact system as well as remote parts
  • Advanced intelligent sizing procedure
  • Web-based sizing and data storage enables full traceability and easy communication
  • All benefits of SITRANS P320 available 

Product Data overview

Accuracy

Linearity: RE > 20,000: 1%

Repeatability: RE > 20,000: 0.1%
Media
Steam, liquids, gas
Operating conditions

Pressure: up to PN100 (flange)

Temperature: -100 °C … 490 °C
Installation conditions

Inlet: 7 x inner diameter

Outlet: 3 x inner diameter
Design
Acc. to PED 2014/68 EU
Approvals

QAL1

Ex, SIL, … acc. SITRANS P320
Accuracy

Uncertainty at design flow:

Typically 0.5% … 1.2%
Media
Steam, liquids, gas
Operating conditions

Pressure: up to PN100

Temperature: acc. EN1092-1 / ASME B16.5
Installation conditions

Inlet: depends on β-coefficient (typically 16 … 44 x inner diameter)

Outlet: depends on β-coefficient (typically 6 … 8 x inner diameter)
Design

Acc. to ISO 5167 (2003)

Acc. to PED 2014/68 EU
Approvals

Ex, SIL, … acc. SITRANS P320

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Safety is key in the process industries. A failure in instruments relevant for safety may have serious implications for humans, the process and the environment. Therefore, a wide range of our process instruments come with on-board safety features for maximum risk reduction.

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Any medium, any pipe size - SITRANS F has you covered

Monitoring your processes with accurate flow measurement leads to higher transparency, improved productivity - and a better bottom line. To optimize every operation, Siemens offers a comprehensive selection of flow sensors and transmitters as well as complete flow systems across all technologies, including electromagnetic, Coriolis, ultrasonic, vortex, variable area, rotary piston and differential pressure.

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