The initial stage of the oil extraction process is the crushing of oil seeds and eventually the oil content in those seeds would be extracted. During earlier times, grinders and stone mills were used to crush the oil seeds and extracting the oil content. Nowadays, highly developed machines are used for the same purpose. In traditional method oil seeds were crushed with the stone mills and in modern methods advanced machineries are being used. This leads to a high yield of oil from the seeds. Pre press expellers for solvent extraction are generally used by large capacity oil plants.

The seeds are firstly fed into the pre press expeller through the feeder opening. The seeds then enter the pressing chamber, where they are pressed. This type of machine have proved to be very fruitful to the rising needs for solvent extraction industry. The solvent plants are used to extract the residual oil from the oil cakes that remain after the extraction of oil through the use of pre pressers.

In today's market, there are a number of pre press expellers, which are available at the most minimum cost. Manufacturers today are making the most use of technology in coming up with innovative techniques and machines for the oil extraction process. They assemble the parts with utmost precision, which makes the machines highly reliable, durable, and strong. These are also user-friendly and can be adjusted and controlled as per the user's requirement. Apart from this, they need very less maintenance. These kind of expellers are used for the initial crushing of the oil seeds. These can be used to extract oil from all kinds of seeds like:
  • Sunflower seeds
  • Safflower seeds
  • Groundnuts
  • Soybeans
  • Rape seeds
  • Mustard seeds
  • Castor seeds
  • Copra
  • Cotton seeds
  • Lin seeds, and many more.

Oil Expellers/Screw Presses
Pre Press Expellers
Full Press Expellers
Cold Screw Presses
Solvent Extraction Plants

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