Need WN 124-247 vanes urgently or want to confirm the correct replacement set for your Becker DX 4.25 or VX 4.25?
Call VacAir: 0113 2088501
Technical help and UK stock availability.
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The vane identification, pump model and Becker part number can all be used to confirm the correct replacement set. The WN 124-247 marking identifies the carbon vane fitted to the Becker DX 4.25 and VX 4.25.
The current Becker reference for this vane set is 90141000007. Earlier pumps, parts records and documentation may instead show 90139900007, which is the previous reference for the same WN 124-247 vane.
A new WN 124-247 vane measures 63 × 41 × 4 mm, with a new vane height of 41 mm. The specified minimum wear height is 28 mm. A complete replacement set contains 7 carbon vanes. Looking for Becker 90141000007 or 90139900007 vanes? Both references correspond with the WN 124-247 vane used in the Becker DX 4.25 and VX 4.25. VacAir uses 90141000007 as the current part number while retaining 90139900007 as an important cross-reference for older pumps and parts information. |
WN 124-247 identification marking used to help identify the correct replacement vane.
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WN 124-247 replacement vanes are used in the Becker DX 4.25 and VX 4.25 dry-running rotary vane pumps. The current Becker reference is 90141000007.
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DX Series
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VX Series
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VANE DIMENSIONS & WEAR DATA
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KEY FEATURES✓Replacement for Becker WN 124-247
✓Complete set of 7 carbon vanes
✓63 × 41 × 4 mm vane dimensions
✓41 mm new height / 28 mm wear limit
✓Current reference 90141000007
✓Vacuum pump technical support available
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Carbon vanes are wearing components within a dry-running rotary vane pump. Measuring their height during routine maintenance provides a straightforward way of checking how much usable vane material remains.
When servicing a Becker DX 4.25 or VX 4.25, the vane condition should be considered alongside the general condition of the pump:
✓ Measure each vane and check for uneven wear
✓ Check that the vanes slide freely within the rotor
✓ Examine internal surfaces for scoring or abnormal wear
✓ Inspect inlet filtration and cooling airflow
✓ Check bearings for noise, wear or excessive movement
✓ Investigate excessive carbon dust or unusual wear patterns
WN 124-247 vanes are 41 mm high when new. The minimum wear height is 28 mm. At 28 mm the complete set of seven vanes should be replaced.
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Measure vane height during servicing and replace the set before operation below the specified wear limit.
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VacAir supplies replacement vacuum pump vanes and spare parts throughout the UK, with regular deliveries to customers across Europe and worldwide.
If WN 124-247 vanes are required for an urgent breakdown or scheduled maintenance, express delivery services can be arranged where available to help reduce pump downtime.
UK customers can also collect from our Leeds trade counter, and same-day courier services are available for urgent requirements where possible.
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Since 1996 Supplying vacuum pump vanes, spares and support |
40+ Years Combined former Becker UK agent experience |
ISO 9001:2015 Accredited quality management system |
Technical Support Experienced vacuum pump specialists |
VacAir has supplied replacement vacuum pump vanes and spare parts since 1996, supporting industrial users, maintenance engineers, equipment manufacturers and resellers in the UK and overseas.
Our senior team has more than 40 years of combined former Becker UK agent experience, providing substantial practical knowledge of Becker vacuum pumps, their servicing and spare-part requirements.
In addition to replacement carbon vanes, VacAir stocks a wide selection of Becker spare parts, filters and service components.
Where a pump needs further attention, our vacuum pump repair and refurbishment workshop provides servicing, fault diagnosis and repair support throughout the UK.