VacAir Superstore supplies new, refurbished and replacement Becker VT 4.2 vacuum pumps, with UK-wide support for urgent breakdowns, machine downtime and replacement pump requirements.
✔ New Becker vacuum pumps
✔ Refurbished replacement pumps where available
✔ UK-wide repair support
✔ Carbon vanes, filters and spare parts
✔ Engineer technical advice
If your VT 4.2 has lost vacuum, become noisy, started running hot or caused machinery downtime, our engineers can advise whether servicing, spare parts, workshop repair or replacement is the most practical route.
The Becker VT 4.2 is a very small dry running rotary vane vacuum pump. Unlike the Becker T and DVT ranges, it is a vacuum-only pump rather than a combined vacuum and pressure unit.
Common faults include:
In small packaging, automation, sampling and laboratory applications, poor vacuum performance is often caused by worn vanes, blocked filtration, leaking pipework or contamination reducing airflow through the pump.

The Becker VT 4.2 is a very compact dry running rotary vane vacuum pump designed for light-duty, clean, oil-free vacuum generation. It is best suited to small machinery, laboratory equipment, air sampling, small packaging equipment and automation duties where a low-flow vacuum source is required.
Unlike the larger VT 4.8, VT 4.10 and VT 4.16 models, the VT 4.2 is rated to approximately 400 mbar absolute rather than 150 mbar absolute. This means it should be selected for suitable low-flow vacuum duties rather than applications requiring a deeper vacuum level.
| Model | M3/H 50Hz / 60Hz |
Max Vacuum mbar Abs 50Hz / 60Hz |
Motor Size kW 50Hz / 60Hz |
| Becker VT 4.2 | 1.9 / 2.3 | 400 / 400 | 0.09 / 0.11 |
The Becker VT 4.2 is used where a very small oil-free vacuum source is required. It does not provide pressure/blast air, so it should be selected for vacuum-only applications.
The Becker VT 4.2 is a small vacuum pump, but routine maintenance still helps protect reliability, airflow and vacuum performance.
Useful maintenance checks include:
For very small pumps, a blocked filter or small pipework leak can have a noticeable effect on performance because the available airflow is limited.

Service components and spare parts support for the Becker VT 4.2 dry running rotary vane vacuum pump.
Many Becker VT 4.2 pumps can be repaired economically if vane wear, blocked filters or bearing issues are identified before major internal damage occurs.
Repair is often suitable where the pump has:
Replacement may be more cost effective where the pump has:
VacAir engineers can advise whether servicing, overhaul or replacement is the best option for your application and downtime requirements. We can also advise on refurbished vacuum pumps where available.
VacAir Superstore provides UK-wide support for Becker VT vacuum pumps including:
Our engineers support customers throughout the UK across packaging, automation, laboratory, environmental and general industrial sectors.
VacAir Superstore can supply spare parts and maintenance components for Becker VT vacuum pumps, including:
Using suitable Becker spare parts helps maintain vacuum performance, airflow, reliability and long-term pump life. View Becker spare parts or Becker carbon vanes.
For some vacuum-only applications, a DVP dry running rotary vane vacuum pump may provide a practical alternative to a Becker VT 4.2, particularly where price, availability or replacement strategy is important.
The Becker VT range remains a well-proven compact dry vacuum pump design, especially where clean oil-free vacuum is required. However, some customers also consider DVP pumps where they need a competitively priced industrial solution with reliable oil-free operation and strong long-term support.
DVP dry running rotary vane pumps, such as the DVP SC.5 available through VacAir or our sister company Vacuum Pumps UK, use carbon vane technology to provide dependable oil-free vacuum for industrial machinery.
Key advantages of considering a DVP alternative can include:
VacAir Superstore can advise whether retaining a Becker VT 4.2, repairing the existing unit or considering an alternative pump is the most suitable choice for your application.
If your Becker VT 4.2 has failed and production has stopped, VacAir Superstore can help with:
The Becker VT 4.2 is a very small dry running rotary vane vacuum pump used for light, clean oil-free vacuum duties. Typical applications include small automation systems, sampling equipment, laboratory equipment, light vacuum pick-up, small packaging machinery and low-flow industrial vacuum applications.
Yes. The Becker VT 4.2 is a dry running rotary vane vacuum pump. It is not a combined vacuum and pressure pump like the Becker T or DVT ranges.
Yes. The Becker VT 4.2 is an oil-free dry running rotary vane vacuum pump. It uses self-lubricating carbon vanes rather than oil inside the pumping chamber.
The Becker VT 4.2 has a nominal volume flow of approximately 1.9 m³/h at 50Hz and 2.3 m³/h at 60Hz, with a maximum vacuum level of approximately 400 mbar absolute.
The Becker VT 4.2 is a very small pump with a maximum vacuum level of around 400 mbar absolute, while larger VT models such as the VT 4.8 and above are commonly rated at around 150 mbar absolute. It is therefore best suited to lower-flow, lighter-duty vacuum applications.
Yes. The Becker VT 4.2 uses self-lubricating carbon vanes. These are normal wear parts and should be inspected and replaced as part of planned servicing.
Yes. VacAir Superstore can supply Becker VT 4.2 spare parts including carbon vanes, filters, service components and repair parts for planned maintenance and breakdown support.
Yes. VacAir Superstore provides servicing, vane replacement, filter replacement, fault diagnosis, workshop repairs and replacement pump support for Becker VT dry running rotary vane vacuum pumps throughout the UK.
Trust VacAir Superstore for all your vacuum pump needs.
Contact us today to learn how we can help you save money and keep your operations running smoothly.
