Need WN 124-251 vanes urgently or want to confirm which Becker reference applies to your DXLF or VXLF pump?
Call VacAir: 0113 2088501
Technical help and UK stock availability.
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WN 124-251 is the carbon vane identification used in a number of Becker DXLF and VXLF dry-running rotary vane pumps. VacAir supplies these vanes under reference VA9013251.
Two Becker OEM references are associated with this vane: 90132510008 and 90132510010. The applicable reference depends on the pump model, so the full model designation should be checked when identifying replacements.
A new WN 124-251 vane measures 220 × 87 × 6.3 mm. The vane height when new is 87 mm, with a specified minimum wear height of 60 mm. Two Becker references – one vane code Both references relate to WN 124-251. Use the pump compatibility information below to establish whether your model is listed with 90132510008 or 90132510010. |
WN 124-251 identification marking on the edge of the carbon vane.
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WN 124-251 vanes are used in the following Becker DXLF and VXLF dry-running pump models. The table also identifies the Becker OEM reference shown against each model.
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DXLF Series
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VXLF Series
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TECHNICAL DATA
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KEY FEATURES✓Replacement for Becker WN 124-251
✓For selected Becker DXLF and VXLF pumps
✓Carbon construction for dry-running operation
✓220 × 87 × 6.3 mm vane dimensions
✓87 mm new height / 60 mm wear limit
✓VacAir technical support for correct identification
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WN 124-251 carbon vanes gradually reduce in height as part of normal dry-running pump operation. Their condition and remaining height should therefore be inspected during scheduled servicing.
Vane measurement is important, but it should form part of a wider inspection of the pump:
✓ Measure the height of every vane in the set
✓ Look for chipped, cracked or damaged edges
✓ Confirm the vanes slide freely in their rotor slots
✓ Inspect internal running surfaces for scoring or damage
✓ Check filters and cooling airflow for restriction
✓ Investigate excessive dust or noticeably uneven vane wear
A new WN 124-251 vane is 87 mm high. The minimum wear height is 60 mm. Once the vanes have worn to 60 mm, the vane set should be replaced.
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Measure vane height and inspect the pump for abnormal wear during servicing.
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VacAir supplies replacement carbon vanes and vacuum pump spare parts throughout the UK, with regular shipments to industrial customers across Europe and worldwide.
WN 124-251 vanes are available for the DXLF and VXLF models listed above. Our team can also assist where an older pump or differing Becker reference makes identification less straightforward.
Urgent orders can be sent using express services where available, and UK customers can arrange collection from our Leeds trade counter.
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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 vacuum pump vanes and replacement components 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 practical knowledge of Becker vacuum pumps and their servicing requirements.
Alongside WN 124-251 vanes, VacAir stocks and supplies a broad range of Becker spare parts, filters and routine maintenance components.
For pumps requiring more extensive work, our vacuum pump repair and refurbishment workshop provides inspection, servicing, fault diagnosis and repair support.