The quality of the material directly determines the quality and service life of the oil press. This is why the prices of oil presses with the same production capacity and similar appearance vary greatly, and the quality is also uneven. In order to avoid the dilemma of customers when purchasing oil presses, this article will introduce the characteristics of oil presses made of different materials in detail for your reference.
Cast iron oil press is an iron-carbon alloy with a carbon content of more than 2% and a silicon content of 1.25% to 3.6%. The carbon in cast iron exists in the form of graphite, with a grayish white fracture, soft texture and easy cutting. Cast iron oil presses are relatively low in cost, have good shock absorption and wear resistance, and are suitable for some small family-style or primary processing. However, cast iron is easy to rust and has poor corrosion resistance. Long-term use may affect the hygiene and safety of oil products, and the durability and stability of the equipment are not as good as other materials.
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| Models |
MK60 |
MK1685 |
MK1688 |
MK120 |
MK50 |
| Power |
Main engine |
2.0 kw |
3kw |
3.5 kw |
4kw |
| Vacuum pump |
4x-3kw |
6x-5.5kw |
6x-7.5kw |
6x-11kw |
6x-30kw |
| Heater |
2.0kw |
3kw |
3.5kw |
4kw |
5kw |
| capacity |
40-50kg/h |
80-160kg/h |
150-260kg/h |
260-400kg/h |
450-550kg/h |
| Whole weight |
270kg |
550kg |
760kg |
915kg |
1550kg |
| Outside dimension |
1350*950*1170mm |
1700*1300*1600mm |
2000*1350*1750mm |
2050*1400*1800mm |
2450*1980*1770mm |
Carbon steel is a common material for oil presses. It has good strength and processability and is suitable for medium-sized processing sites. Its durability is improved after surface anti-rust treatment. However, compared with stainless steel, its corrosion resistance is slightly weaker. It is easy to rust when exposed to a humid environment for a long time, affecting the service life of the equipment and the quality of the oil.
Stainless steel oil presses have become the mainstream choice in the market for their excellent corrosion resistance, hygienic safety, and beautiful durability. In particular, food-grade 304 or 316 stainless steel not only improves the overall service life of the equipment, but also ensures the purity and safety of the oil and reduces the risk of pollution. Although the cost is relatively high, in the long run, its low maintenance cost and long service life make it an ideal choice for those who pursue high-quality production standards.
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