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ABB Data Sheet - FPD470 Wedge Flowmeter Differential Pressure – Primary Flow Element

Summary

The FPD470 is a robust differential pressure wedge flowmeter engineered for reliable measurement of challenging fluids, including high viscosity liquids and demanding slurries. The manual provides comprehensive technical specifications for this versatile flow solution, covering multiple connection styles (flanged, tee, pipe-tap), optimal material selections (including specialty alloys), and detailed performance metrics. It is designed for industrial applications requiring accurate, durable flow rates across non-ideal piping conditions and challenging process media.

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Data sheet DS/FPD470–EN Rev. A

FPD470 Wedge flowmeter Differential pressure – primary flow element

Robust, reliable, high performance flow solutions for difficult applications, slurries and high viscosity liquid

Measurement made easy

Symmetrical robust element for long-term accuracy —no sharp edge to wear —handles slurries and high solids content —capable of bi-directional flow

Accurate performance down to Reynolds number 500 —0.5 % calibrated accuracy —large potential flow range —ideally suited to measurement of viscous liquids

Minimum upstream / downstream straight pipe needed —handles non-ideal installations

Page Summary Contents For ABB Data Sheet - FPD470 Wedge Flowmeter Differential Pressure – Primary Flow Element

Page 1 Data sheet DS/FPD470–EN Rev. A FPD470 Wedge flowmeter Differential pressure – primary flow element Robust, reliable, high performance flow solutions for difficult applications, slurries and high visco...
Page 2 FPD470 Wedge flowmeter Differential pressure – primary flow element Overview Primary flow element types WEDGETM flow elements utilize V-shaped restrictions to Flanged transmitter connections (model FP...
Page 3 Internal bore Performance specification A range of schedules and wall thicknesses are available to suit Transmitter connections specific requirements, these should be selected to ensure the Connection...
Page 4 FPD470 Wedge flowmeter Differential pressure – primary flow element Materials of construction Physical specification Process wetted parts Standard materials of construction are carbon steels and 316 A...
Page 5 Dimensions and weights Series FPD470F with flanged tappings and RFWN end flanges Sizes 40, 50 and 80 mm (11/2, 2 and 3 in.) Typical flanged process connection Flow direction A ±4.58 mm (±0.18 in.) D m...
Page 6 FPD470 Wedge flowmeter Differential pressure – primary flow element Sizes 100 to 600 mm (4 to 24 in.) Typical flanged process connection Pipe centre line RF-weldneck direction flange shown A ±6.35 mm ...
Page 7 Series FPD470C with chemical-tee tappings and RFSO end flanges Sizes 15 to 80 mm (½ to 3 in.) Approximate weight kg (lbs.) Pipe size Flange rating mm (in.) A ±3.3 mm (±0.13 in.) B mm (in.) C mm (in.) ...
Page 8 FPD470 Wedge flowmeter Differential pressure – primary flow element Series FPD470C with chemical-tee tappings and RFWN end flanges Sizes 100 to 600 mm (4 to 24 in.) Chemical-tee seal connection Pipe c...
Page 9 Series FPD470P with RFWN end flanges Sizes 50 to 150 mm (2 to 6 in.) Dim typ. 2 places NPT tap size A mm (in.) B mm (in.) C mm (in.) NPT tap size (in.) Approximate weight kg (lbs.) Pipe size Flange ra...
Page 10 FPD470 Wedge flowmeter Differential pressure – primary flow element Sizes 200 to 600 mm (8 to 24 in.) Typical threaded connection A/2 Pipe centreline RF-weldneck direction flange shown A ±6.35 mm (±0....
Page 11 Ordering information WEDGE flowmeter FPD470 XX XXX XX XX XX XX XX XX XX XX XX XXX XXX XX XXX XX XXX XXX XX XXX Product design Pipe-tap Flanged taps Chemical tee taps Restriction design Single wedge W1...
Page 12 FPD470 Wedge flowmeter Differential pressure – primary flow element WEDGE flowmeter FPD470 XX XXX XX XX XX XX XX XX XX XX XX XXX XXX XX XXX XX XXX XXX XX XXX See page 11 Pipe schedule Schedule 5S S1 S...
Page 13 WEDGE flowmeter FPD470 XX XXX XX XX XX XX XX XX XX XX XX XXX XXX XX XXX XX XXX XXX XX XXX See pages 11 Pipe material Carbon steel C3 316 / 316L stainless steel S6 304 / 304L stainless steel S4 316H st...
Page 14 FPD470 Wedge flowmeter Differential pressure – primary flow element WEDGE flowmeter FPD470 XX XXX XX XX XX XX XX XX XX XX XX XXX XXX XX XXX XX XXX XXX XX XXX See pages 11 Restriction material 316 / 31...
Page 15 WEDGE flowmeter FPD470 XX XXX XX XX XX XX XX XX XX XX XX XXX XXX XX XXX XX XXX XXX XX XXX See pages 11 H/D ratio 0.2 H2 0.3 H3 0.4 H4 0.5 H5 0.6 H6 0.7 H7 Others Z9 Process connection type Weld prepar...
Page 16 FPD470 Wedge flowmeter Differential pressure – primary flow element WEDGE flowmeter FPD470 XX XXX XX XX XX XX XX XX XX XX XX XXX XXX XX XXX XX XXX XXX XX XXX See pages 11 Process connection rating ASM...
Page 17 WEDGE flowmeter FPD470 XX XXX XX XX XX XX XX XX XX XX XX XXX XXX XX XXX XX XXX XXX XX XXX See pages 11 Tapping type Pipe nipple (butt weld or male tapping) N1 Nipolet (butt weld or male tapping) N2 Ni...
Page 18 FPD470 Wedge flowmeter Differential pressure – primary flow element WEDGE flowmeter FPD470 XX XXX XX XX XX XX XX XX XX XX XX XXX XXX XX XXX XX XXX XXX XX XXX See pages 11 Tapping rating Others Z9 Sock...
Page 19 WEDGE flowmeter FPD470 XX XXX XX XX XX XX XX XX XX XX XX XXX XXX XX XXX XX XXX XXX XX XXX See pages 11 See page 18 Welding code ASME B31.3 cyclic service K1 ASME B31.3 category D service K2 ASME B31.3...
Page 20 Contact us Note We reserve the right to make technical changes or Process Automation modify the contents of this document without prior Salterbeck Trading Estate notice. With regard to purchase orders...

Manual Details

Brand Element
Pages 20
File Size 652.65 KB
Published June 03, 2026
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Frequently Asked Questions

What types of liquids can the flowmeter handle, especially dirty services?

It is suitable for difficult applications, slurries, and high viscosity liquid due to its design that avoids sharp edges leading to wear.

What pressure standards are available for process flange connections?

Process flanges are available at ANSI Class 150, ANSI Class 300, or ANSI Class 600 rated faces.

What construction materials can be used for the wetted parts of the flowmeter?

Standard options include carbon steel and 316 SST, but over 30 different materials are available upon request.

Which wall thickness (schedule) is most typical for the FPD470F model?

The most typical schedule recommended for an FPD470WEDGE element is Schedule 80.

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