Sourcing Turbine Flow Meters from China

Duty and classification

Heading 9026 covers instruments measuring or checking variables of liquids or gases. For turbine flow meters, distinguish electronic liquid meters, other liquid meters, gas flow instruments and separately imported parts. Supply water and gas meters belong in heading 9028 rather than this heading.

Read from the UK Trade Tariff on 30 September 2026, the selected lines carried 0% duty for goods from China. These lines show no anti-dumping or countervailing duties, suspensions or attached import controls. This describes the selected flow instrument and parts lines, rather than every product in the heading.

Confirm the commodity code using the fluid, measuring function, electronics and intended use. The rotameters guide provides related coverage within the wider heading.

Specify the fluid, rotor and installation

State the fluid, viscosity at operating temperature, normal and maximum flow, operating pressure, pipe bore and connection details. Specify wetted body materials, rotor and bearing materials, seals and the required accuracy over the working range. Ask the supplier to explain the installation conditions used for its accuracy claim, including straight pipe requirements and filtration.

For electronic models, agree the supply, output signal, connector and pulse calibration factor. Request calibration records matched to each serial number and covering the intended working range. Electrical and electronic equipment liable to generate electromagnetic disturbance falls within the electromagnetic compatibility rules, subject to exceptions; check whether the selected configuration is in scope.

For meters intended for potentially explosive atmospheres, confirm the applicable equipment regulations with the relevant authority. Check the declaration, equipment category and any required certificate against the supplied model. For liquid measurement for sale, confirm with the relevant authority whether the Measuring Instruments Regulations apply and what conformity assessment is needed. Settle these uses before ordering through testing and certification.

Worked duty example

Illustrative example, not a quote: Illustrative batch of electronic turbine flow meters for liquids under 9026 10 21 00, invoiced at £3,500 free on board, with £800 of freight and insurance to the UK. The customs value is £4,300. Duty at 0% is £0. Import VAT at 20% is charged on the customs value plus duty, £4,300, so it is £860. With no duty, the only import tax is the VAT, which a VAT-registered importer can usually reclaim. The import duty and VAT guide explains each step.

Inspection checklist

Identity and calibration: match serial numbers to calibration records, check the stated test fluid and conditions, and compare readings across the ordered working range.

Rotor and bearings: check free movement, visible damage and the agreed rotor and bearing materials. Investigate sticking or inconsistent readings during repeat flow tests.

Connections and sealing: compare thread or flange details with the approved drawing, check the flow direction marking, and test for leakage under agreed conditions.

Electronics and documents: verify the output and configured pulse factor against the reference measurement. Match hazardous-area documents to the model where applicable. Include these checks in the inspection brief.

What goes wrong

A turbine meter can give misleading readings when the calibration fluid, viscosity or installation differs from the buyer's process. Debris can obstruct the rotor, bearing wear can affect repeatability, and an incorrect pulse factor can make a sound meter display the wrong quantity.

Connection mismatches and unsuitable seals cause installation problems or leaks. A calibration certificate does not establish suitability for trade measurement or hazardous-area use. Agree the operating conditions, review documents against the exact model and test a sample in the intended arrangement before releasing the batch.

Cambridge China Bridge sources these products for UK businesses, checking the factory and the documents before shipment. See factory verification. For components and parts, see sourcing for manufacturers.