Sotras DA 1278, direct aftermarket replacement. This separator is an aftermarket separator designed as a direct replacement for popular brands including Becker, Fai Filtri, HiFi Filter, Mann-Filter, Noitech, Oxfil, SF Filter, Sotras, and Tiger. With dimensions of 145 mm in height, 65 mm outer diameter, and 43 mm inner diameter, this lightweight 0.2 kg separator ensures efficient particle separation. It is verified to fit Becker U 4.40 and Edwards EV 40 vacuum pumps, offering a cost-effective alternative without compromising performance.
Technical properties & cross references
Specifications
| Body Height |
145 mm (5 23/32") |
| Total Height |
145 mm (5 23/32") |
| Product Net Weight |
0.2 kg (0.44 lbs) |
| Largest Inner Diameter |
43 mm (1 11/16") |
| Smallest Inner Diameter |
43 mm (1 11/16") |
| Outer Diameter |
65 mm (2 9/16") |
| Stat. HS-Code |
84149000 |
| Country of Manufacture |
China |
Price beat guarantee
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller |
Price |
Checked |
| Oxfil |
USD 30.26 |
16 Oct 2026 |
| Spare Part Mart |
USD 24.21 |
Today |
Our price of USD 24.21 is approximately 20% less than this seller.
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.
Use cases & applications
High-Dust Industrial Environments
In workshops with heavy airborne particulates, this separator extends the life of downstream filters by capturing larger debris before it reaches the main filter element. This reduces maintenance intervals and keeps vacuum pumps running efficiently.
Continuous-Duty Vacuum Systems
For pumps operating around the clock, this separator provides reliable separation to prevent clogging and pressure drops. Its robust construction handles constant airflow without degradation, ensuring consistent performance.
Inventory Consolidation for Multi-Brand Fleets
If your facility uses both Becker and Edwards pumps, this single separator replaces multiple branded parts, simplifying stock management. One part number covers cross-references from over ten brands, reducing inventory costs.
Remote or Hard-to-Access Installations
In confined spaces where filter changes are difficult, the compact 145 mm height and light weight make installation easy. Its reliable separation means fewer replacements, saving time and labour in tight locations.
Frequently asked questions
How do I confirm this separator fits my pump?
Check your pump model against our verified list: Becker U 4.40 and Edwards EV 40. For other models, compare the dimensions: body height 145 mm, outer diameter 65 mm, and inner diameter 43 mm. If your pump uses a separator with these measurements, it is a direct fit.
What filtration rating does this separator have?
This separator is a separation element, not a fine filter. It removes larger particles and liquid droplets from the air stream to protect downstream components. Specific micron rating is not provided, but it is designed for bulk separation in vacuum pump applications.
What are the thread and connection details?
The separator has inner diameters of 43 mm on both ends. It does not have threaded connections; it seals via a gasket or O-ring (not included). Ensure your housing accommodates a 43 mm inner diameter seal surface.
How does this aftermarket separator compare to the original branded version?
This is a direct replacement built to the original dimensions and ratings. It is not branded as genuine, but it offers the same dimensions and function at a lower cost. It cross-references multiple brands including Becker, Mann-Filter, and Edwards.
How do I install this separator?
Installation is straightforward: remove the old separator, clean the housing, and insert the new one ensuring a proper seal. No special tools are required. Always refer to your pump manual for specific instructions.