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Becker 90133300008 (also listed as WN 124-032) is a set of 8 graphite carbon vanes, each 250 x 39 x 4 mm (length x height x thickness), for Becker DVT 2.100 dry running (oil free) rotary vane vacuum pumps and compressors. This aftermarket set is made to the same size as the original.
In a dry running Becker pump the carbon vanes are the main wear part. They slide in the rotor slots, are thrown out against the cylinder wall and wear a little on every turn. As they shorten the pump loses vacuum and flow, runs hotter and gets noisier, and a vane worn too far can break and damage the cylinder. Becker gives a minimum vane height in each pump's manual; change the full set before the vanes reach it.
Always change all 8 vanes together so the rotor stays balanced, and clean the carbon dust out of the pump and filters while it is open. The vanes are made from self lubricating graphite carbon to the Becker size and come as a complete set for one pump.
The DVT 3.100 uses the same 250 x 39 x 4 mm vane but takes 7 vanes: that set is Becker 90133300007.
| Part Type | Carbon vane set (rotary vanes) |
| Replaces | Becker 90133300008 / WN 124-032 |
| Vanes in Set | 8 |
| Vane Size (L x H x T) | 250 x 39 x 4 mm |
| Material | Self lubricating graphite carbon |
| Fits | Becker DVT 2.100 |
| Pump Type | Dry running rotary vane vacuum pump / compressor |
| Stat. HS-Code | 841490 |
| Pack | Dimensions | Becker Part No.(SPM Part No.) | Fits |
|---|---|---|---|
| Set of 8 | 250 x 39 x 4 mm | 90133300008 / WN 124-032(SPM-VAN-2278) | Becker DVT 2.100 |
Planned vane changes
Measure the vane height at every service and change the set before it reaches Becker's minimum for your pump. Keeping a spare set means the change happens at the service, not after a breakdown.
Falling vacuum or flow
If the pump takes longer to pull down, holds a weaker vacuum, or sheets and parts start slipping, worn vanes are the usual cause once the filters are clean.
Noisy or hot running
Short or chipped vanes chatter in the slots and the pump runs hotter. Stop and check the vanes before one breaks.
Typical machines
Becker dry running vane pumps run CNC router vacuum tables, printing and paper handling machines, packaging and pick and place equipment, woodworking clamps and pneumatic conveying.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| Carbon Pump Vanes (GBP 110 ex VAT) | USD 139.70 | 4 Oct 2026 |
| eBay (2 aftermarket sellers) | USD 202.97 to 203.00 | 4 Oct 2026 |
| Spare Part Mart | USD 111.76 | Today |
Our price of USD 111.76 is 20% to 45% less than these sellers.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
No. It is an aftermarket set made to the size of the Becker 90133300008 vanes. It is not made by or affiliated with Becker; the Becker numbers are used only to show what it replaces.
Yes if your pump is a Becker DVT 2.100 and the old vanes measure 250 x 39 x 4 mm. Check the model plate on the pump and measure an old vane before ordering.
The rotor in these pumps has 8 slots. Change every vane at the same time; mixing new and worn vanes unbalances the rotor and wears the new vanes fast.
When the vanes are worn down to the minimum height in your pump's manual, or sooner if a vane is chipped or cracked. Measure them at every filter service.
Clean the carbon dust from the pump housing, rotor slots and filters, and change the inlet and outlet filters if they are loaded. Fit the vanes the same way round as the old ones, with the bevelled edge against the cylinder wall.
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