Need WN 124-219 replacement vanes quickly or want to confirm they are correct for your Becker pump?
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Technical help and UK stock availability.
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The identification code marked on a vane can be one of the quickest ways to confirm the replacement required for a Becker dry-running rotary vane pump. The code should be checked together with the pump model before ordering.
This replacement is identified as WN 124-219 and is used in Becker DT 4.2, DT 4.4, VT 4.2 and VT 4.4 pumps. The corresponding Becker OEM reference for a complete five-vane set is 90138700005.
A new WN 124-219 vane measures 32 × 16 × 3 mm, with a new vane height of 16 mm. The minimum permissible wear height is 11 mm. Searching for Becker WN 124-219 or 90138700005 vanes? VacAir supplies WN 124-219 replacement vane sets under our reference VA901387. Each pump listed below requires a complete set of five vanes. |
WN 124-219 identification marking used to help confirm the correct Becker replacement vane.
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WN 124-219 replacement vanes are used in the following Becker DT and VT dry-running rotary vane pumps. All four models use Becker reference 90138700005 and require a complete set of 5 vanes.
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DT Series
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VT Series
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TECHNICAL / WEAR INFORMATION
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KEY FEATURES✓Replacement vane set for Becker WN 124-219
✓Supplied as a complete set of 5 vanes
✓32 × 16 × 3 mm vane dimensions
✓16 mm new height with an 11 mm minimum wear height
✓Technical support for Becker pump and vane identification
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Rotary vane wear takes place gradually as the pump operates. Measuring the vane height during servicing provides a useful indication of whether the vanes remain within their acceptable operating limit.
When inspecting WN 124-219 vanes, the condition of the pump itself should also be checked for anything that could contribute to accelerated or uneven wear:
✓ Check the complete vane set for even wear
✓ Inspect the rotor slots and internal running surfaces
✓ Check bearings for wear or excessive noise
✓ Inspect the inlet filter and airflow path
✓ Look for excessive carbon dust or contamination
✓ Investigate signs of excessive operating temperature
A new WN 124-219 vane has a height of 16 mm. The minimum wear height is 11 mm. Once the vane height reaches 11 mm, the complete set of five vanes should be replaced.
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Measure the vane height during servicing to determine whether the wear limit has been reached.
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VacAir supplies replacement vacuum pump vanes and spare parts throughout the UK, with regular deliveries to industrial customers across Europe and worldwide.
Where a pump is required back in service urgently, express delivery options can be arranged where available to help minimise downtime.
UK customers can also collect from our Leeds trade counter, with same-day courier services available for urgent requirements.
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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, spare parts and technical support since 1996, serving industrial users, maintenance engineers, OEMs and resellers throughout the UK and overseas.
Our senior team includes more than 40 years of combined former Becker UK agent experience, providing substantial practical knowledge of Becker vacuum pumps and their service requirements.
In addition to replacement vanes, we stock a wide range of Becker spare parts, filters and service components.
For pumps requiring more extensive attention than routine vane replacement, our vacuum pump repair and refurbishment workshop provides technical, servicing and repair support throughout the UK.