Description
Ultramax Systems supplies the WF139YO as a direct replacement within the Walker Alpha OLD + Sterile range. The element is a Grade YO high efficiency oil removal coalescing element, and strips fine oil aerosol and water carryover, rated at 0.1 µm. It sits downstream of a general purpose coalescing stage. It carries the fine load a general purpose element is not built to hold. It matches the original on dimensional fit and drops into the existing housing without modification. It is the element used in A391RXA housings. Held in Australian stock, it is supplied at a working budget price rather than OEM list.
This replacement filter element from Ultramax is a high-quality, Walker Filtration Alpha Series-compatible alternative. Designed as an alternative to OEM part numbers E139RXA EWK139H OWAAE1139RXA/S APW139F EWK139H-WAAE Walker Filtration E139RXA Walker Filter E139RXA. It is engineered to suit housing models A391RXA. Manufactured to strict quality standards, it delivers reliable system protection at a competitive price.
Cross Reference
- A391RXA
Other Grades for This System
| Grade | Part number | Filtration | Micron |
|---|---|---|---|
| YO | WF139YOYou are here | Oil Removal Coalescer | 0.1 µm |
| A | WF139A | Activated Carbon | 0.01 µm |
| P | WF139P | General Purpose Coalescer | 5 µm |
| P | WF139P25 | General Purpose Coalescer | 25 µm |
| X | WF139X | General Purpose Coalescer | 1 µm |
| Y | WF139Y | Oil Removal Coalescer | 0.01 µm |
Features
- Grade YO media rated at 0.1 µm
- Strips fine oil aerosol and water carryover
- Dimensional match to the Walker Alpha OLD + Sterile original, fits the existing housing without modification
- Suits A391RXA housings
- Held in Australian stock, not brought in to order
Applications
- Paint and powder coating lines
- Instrument air and control circuits
- Laboratory and analytical air
- Printing and packaging equipment
All brand names, trademarks and part numbers shown on this page remain the property of their respective owners and appear for identification purposes only. Ultramax Systems is not affiliated with, endorsed by, or a licensee of any manufacturer listed. Cross references indicate dimensional and performance equivalence, not original equipment supply. Please confirm the fitment against your housing before you order.
WarrantyEvery element is warranted to meet the Ultramax standard specification when it reaches you. If one does not, we will replace it, supply an equivalent, repair it, or cover the cost of replacing it. Tell us within 14 days of purchase to arrange a return. A restocking fee applies, and special order items cannot be returned. Our terms and conditions set out the detail.
