Becker WN124-244 Vanes 90140900007, 90139700007

IDENTIFYING BECKER VANE WN 124-244

BECKER PUMP COMPATIBILITY

WN 124-244 replacement vanes are suitable for the following Becker DX and VX dry-running rotary vane pumps. The current Becker reference is 90140900007, with 90139700007 also used as an alternative/previous reference.

REPLACING BECKER WN 124-244 CARBON VANES

VacAir Superstore stocks and supplies Becker WN 124-244 replacement carbon vanes for the Becker DX 4.40 and VX 4.40 dry-running rotary vane pumps. These replacement vanes measure 94 × 41 × 4.3 mm and are supplied under VacAir reference VA901409. The current Becker OEM reference is 90140900007, while 90139700007 is an earlier or alternative reference for the same vane specification.

The carbon vanes are working components inside the pump and gradually reduce in height during normal operation. A new WN 124-244 vane has a height of 41 mm, with a specified minimum wear height of 28 mm. Once the vanes have worn to this limit, replacement is necessary to avoid continuing to operate with excessively worn components. Regular measurement during planned servicing helps maintenance teams assess vane condition before deterioration contributes to poor performance or mechanical damage.

Both the DX 4.40 and VX 4.40 use a complete set of seven WN 124-244 carbon vanes. The vanes should normally be changed together as a matched set. Mixing new carbon vanes with partially worn components can produce inconsistent running conditions and makes it more difficult to assess whether the pump has been properly serviced.

Identifying the correct WN 124-244 replacement set. The current Becker reference 90140900007 and the earlier 90139700007 identify the same vane specification. Customers maintaining older equipment may find the previous number in service records, purchasing systems or on replacement documentation. VacAir retains both references to make sourcing straightforward, while the vane marking WN 124-244 or WN124-244 provides an additional means of identification.

When replacing the seven vanes, the condition of the pump itself is equally important. Uneven vane wear, excessive carbon dust, damaged running surfaces or vanes that do not slide freely within their rotor slots may indicate an underlying problem. A new vane set should not be used to disguise a mechanical fault that could cause premature wear or further damage.

WN 124-244 maintenance inspection checklist:

CORRECT CARBON VANE ORIENTATION Before installing Becker WN 124-244 replacement carbon vanes, clean the rotor slots thoroughly and remove all remaining carbon dust, fragments and contamination. Check each slot for scoring or damage that could prevent the replacement vanes from moving freely. The vanes must slide smoothly into the rotor slots without binding. The higher edge of the vane is the leading edge. The chamfer follows behind the leading edge, as illustrated in the adjacent VacAir fitting diagram. Check the vane profile, pump rotation and manufacturer’s instructions before installation to confirm the correct orientation for the particular pump. Both the DX 4.40 and VX 4.40 require seven WN 124-244 replacement carbon vanes. Install the complete matched set and check the condition of the cylinder running surface, rotor shaft and bearings before reassembly. If the removed vanes show uneven wear, cracks or breakage, establish the underlying cause before returning the pump to service. Always follow the relevant Becker manufacturer’s fitting and maintenance instructions. VacAir’s experienced engineers can assist with replacement vane identification, professional fitting, pump servicing, fault diagnosis and mechanical repairs where required.

UK, EUROPEAN & WORLDWIDE VANE SUPPLY

WHY BUY REPLACEMENT BECKER VANES FROM VACAIR?

Replacement carbon vane specialists since 1996. VacAir has supplied replacement vacuum pump vanes, spare parts and technical support to industrial customers for three decades. Our experience covers manufacturers, maintenance engineers, machine builders and specialist pump service companies that need dependable components at competitive prices. We are vacuum pump specialists rather than a generic parts catalogue, and our customers benefit from practical engineering knowledge alongside product supply.

UK stock of Becker WN 124-244 replacement carbon vanes. VacAir stocks the 94 × 41 × 4.3 mm replacement carbon vane identified by WN 124-244 or WN124-244. Our reference is VA901409, corresponding to the current Becker OEM part number 90140900007 and the earlier 90139700007. Both the DX 4.40 and VX 4.40 use a complete seven-vane replacement set. These are high-quality replacement carbon vanes rather than genuine Becker OEM vanes, and our specialists can help confirm the correct specification before supply.

More than 40 years of combined former Becker UK agent experience. Our senior team brings extensive first-hand knowledge of Becker vacuum pumps and their service requirements. We understand the importance of correct vane dimensions, suitable carbon components, rotor condition and identifying the cause of abnormal wear. When customers are working from older documentation or a superseded part number, we can help them establish the correct replacement rather than relying on a catalogue match alone.

Competitive replacement vane prices and our Price Promise. We work hard to offer high-quality replacement carbon vanes at competitive prices while maintaining knowledgeable technical support. Our Price Promise applies to qualifying, genuinely comparable replacement carbon vanes offered by other UK suppliers, subject to our published conditions. Customers can request a competitive quotation and benefit from UK stock, correct product identification and specialist advice.

Customer satisfaction supported by externally audited ISO 9001:2015 quality management. VacAir operates an ISO 9001:2015 certified quality management system, with externally audited processes supporting consistent service, customer satisfaction and continual improvement. We value accurate technical information, honest communication and straightforward business practices, and our reputation has developed through long-term relationships with industrial customers and pump service companies.

OEM-trained engineers and dedicated Becker pump repair facilities. VacAir’s technical capabilities extend beyond supplying replacement vanes. Our engineers can fit WN 124-244 carbon vanes, inspect the rotor and cylinder, investigate unusual wear and undertake servicing or mechanical repairs. Our Becker pump repair and refurbishment workshop provides professional fitting, servicing and repair support at highly competitive rates.

Comprehensive Becker spare parts and maintenance support. Alongside replacement carbon vanes, VacAir supplies a broad range of Becker vacuum pump spare parts, including OEM components and quality replacement alternatives. Customers can obtain filters, service parts and technical guidance from a specialist supplier that understands the complete pump and its operating requirements.

Reliable supply for planned servicing and urgent breakdowns. Whether maintaining a Becker DX 4.40 or servicing a VX 4.40, VacAir can help identify the correct WN 124-244 seven-vane replacement set and arrange suitable delivery. We combine UK stock, competitive quotations, experienced engineering support and worldwide despatch arrangements to help customers minimise downtime and maintain essential equipment.

FREQUENTLY ASKED QUESTIONS