Screw (expeller) oil press — oil mill equipment
Stainless-Body Dual-Mode Screw Press
Stainless housing, cold and hot pressing, sized for walnut oil and small commercial runs.
Stainless housing plus dual-mode pressing, sized for walnut oil and similar small commercial runs. Walnut is the reason for the specification: it is pressed cold, sold at a premium, and stains or taints easily in a painted machine.
At a glance
What this machine is, and who buys it
| Machine type | Screw (expeller) oil press |
| Built for | Screw expeller · Stainless steel · Cold & hot press |
| Typical buyer | Nut-oil specialists and small commercial cold-press producers. |
| Pressing principle | A screw press turns a feed screw against a heated barrel, so seed is crushed and squeezed continuously as it travels. Oil leaves through slots along the barrel and the cake leaves the far end, which means one operator can keep it running all day. |
| Throughput | Processes about 15 kg of material per hour |
| Motor | 0.75 kW |
| Dimensions | 500 × 300 × 780 mm (L × W × H) |
| Shipping weight | 55 kg packed |
| Screw diameter | 45 mm |
| Stated oil yield | Peanut 42%, Sesame 45% |
| Residual oil in cake | about 3% |
We specify and sell this walnut press; the partner workshop fabricates it. Their published figures fill this page, and the same figures — confirmed for your unit — go into the quotation in writing.
Before you order
Points to close before ordering for walnut work
Walnut oil is unforgiving: low cold-press yields, fast oxidation, and a price that has to justify the machine. The three checks below decide whether this press pays for itself, and they are also the details most often disputed afterwards afterwards.
- Which components are stainless where oil actually contacts them.
- Cold-press yield on walnut, which is lower than any hot-press figure.
- Cleaning schedule — nut oils oxidise fast in residue.
Alternatives
Other screw presses in the range
If this frame is the wrong size or the wrong specification, these are the nearest machines doing the same job.
Compact Mobile Cold Press
Small automatic cold press for peanut and soybean, popular for markets and fairs.
2026 Front-Discharge Screw Press
Redesigned front oil-outlet layout for easier collection. Built for export.
Smart Automatic Oil Press
Electric automatic press with cold/hot modes for small and mid-size sesame oil work.
Related equipment
Where this nut-oil press fits the catalogue
Tell us what you press, and we will confirm the specification
Tell us your walnut volume and what else you press, the grades you sell, the site voltage, and the destination country. We return the workshop’s confirmed figures for cold and hot modes, and say plainly if your walnut volumes justify the stainless body at all.