Description
The WF139P25 is the Ultramax Systems replacement element for the Walker Alpha OLD + Sterile range. The element is a Grade P general purpose particulate element, and holds bulk solid debris, pipe scale and rust, rated at 25 µm. It sits at the front of the train, protecting the finer stages behind it. Solids stopped at this point never reach the finer elements behind it. It matches the original on dimensional fit and drops into the existing housing without modification. It is the element used in A391X25 housings. Australian stock holding keeps lead times short, at a working budget price relative to the OEM part.
This replacement filter element from Ultramax is a high-quality, Walker Filtration Alpha Series-compatible alternative. Designed as an alternative to OEM part numbers E139X25 EWK139P OWAAE1139X25 APW139P25 EWK1175P-NAPE Walker Filtration E139X25 Walker Filter E139X25. It is engineered to suit housing models A391X25. Manufactured to strict quality standards, it delivers reliable system protection at a competitive price.
Cross Reference
- A391X25
Other Grades for This System
| Grade | Part number | Filtration | Micron |
|---|---|---|---|
| P | WF139P25You are here | General Purpose Coalescer | 25 µm |
| A | WF139A | Activated Carbon | 0.01 µm |
| P | WF139P | General Purpose Coalescer | 5 µm |
| X | WF139X | General Purpose Coalescer | 1 µm |
| Y | WF139Y | Oil Removal Coalescer | 0.01 µm |
| YO | WF139YO | Oil Removal Coalescer | 0.1 µm |
Features
- Grade P media rated at 25 µm
- Holds bulk solid debris, pipe scale and rust
- Dimensional match to the Walker Alpha OLD + Sterile original, fits the existing housing without modification
- Suits A391X25 housings
- Held in Australian stock, not brought in to order
Applications
- First stage protection on a new installation
- Air lines carrying pipe scale or rust
- Air receivers and ring mains
- Compressor outlet protection
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.
