Electric Oil Transfer Pumps

Choosing the most suitable oil transfer pump mainly depends on the type of work to be carried out, the quantity and viscosity of the liquid to be transferred, and the frequency of use. To select the right model, it is advisable to carefully assess several key technical characteristics, including power supply, flow rate, head and rated power. For occasional or hobby use, for example, a pump with moderate power and a lower flow rate may be perfectly adequate, whereas semi-professional applications generally require models offering higher performance.

The main criteria to consider when choosing an oil transfer pump are:

• Type of work: for domestic or occasional transfer operations, a model with moderate power and smaller-diameter fittings will be sufficient. For intensive or semi-professional applications, a pump with higher power and flow rate is recommended.
• Quantity of liquid to be transferred: for limited volumes, such as those typically handled in domestic or hobby settings, a pump with a lower flow rate and smaller fittings may be adequate. Conversely, users who need to transfer large quantities of oil quickly, as in semi-professional or industrial environments, will benefit from a high-flow-rate pump (up to 50 l/min) with larger-diameter fittings.
• Quality of the liquid being transferred: the cleanliness and purity of the liquid influence the choice of pump. For transferring mineral oils, synthetic oils or other dense liquids free from impurities, gear pumps are ideal thanks to their ability to handle homogeneous fluids efficiently. For food-grade or premium liquids, such as olive oil, it is advisable to use a pump made from anti-oxidation alloy, which preserves the product's characteristics without any risk of contamination.

Food-grade oil transfer pumps are suitable for a variety of users and operating environments. The main target groups include:

• Hobby users: those requiring a pump for occasional use, such as transferring fuel for small agricultural machinery, will find models with moderate power and basic functionality ideal.
• Semi-professional users: workshops and laboratories requiring medium-level performance will benefit from pumps featuring high flow rates, continuous transfer capability and reversible operation for greater versatility.
• Agricultural businesses: users who need a device for the frequent transfer of high-viscosity oils, such as olive oil or diesel fuel, will find anti-oxidation alloy models to be a durable and corrosion-resistant solution.

Choosing a branded oil transfer pump means relying on specialist manufacturers that use high-quality materials, guarantee product reliability and offer better spare parts availability. AgriEuro stocks the leading brands in the industry, carefully selected to meet every requirement, from hobby use to professional applications.

• Rover Pompe oil transfer pumps: an Italian company specialising in agricultural and food-grade transfer pumps, renowned for build quality and reliable materials;
• Tellarini Pompe oil transfer pumps: an established manufacturer of professional pumps, offering solutions designed for high-intensity operating environments and compatibility with a wide range of liquids.

Purchasing an oil transfer pump from AgriEuro means relying on a specialised e-commerce retailer offering a wide range of models for every need, together with expert technical support and professional after-sales service. In addition to product quality, AgriEuro provides several practical advantages and exclusive services.

• Fast, free delivery managed directly by AgriEuro logistics centres: all orders are processed quickly and delivered free of charge thanks to an efficient in-house logistics network;
• Spare parts always available: genuine replacement parts are available for every model sold and can be ordered online at any time;
• Dedicated and personalised after-sales support: a team of specialised technicians provides ongoing assistance with installation, operation and maintenance of purchased pumps.

Browse the online catalogue now and find the oil transfer pump best suited to your needs.

Olive oil racking and transfer is a crucial stage in preserving its quality and organoleptic properties. During production, the oil contains small solid particles known as sediment, including pulp, stone residues and microscopic impurities. Without transfer, these residues may ferment, increasing acidity and potentially damaging the product.

Transferring the oil helps to:

• Prevent sediment fermentation: solid particles can cause unwanted fermentation, altering the flavour and quality of the oil.
• Reduce acidity: removing sediment prevents acidity from increasing, helping the oil remain smoother and more pleasant.
• Extend shelf life: transferred oil lasts longer because it is less susceptible to oxidation.
• Preserve the original colour and flavour: transferring prevents the deterioration of organoleptic compounds that influence the aroma, taste and appearance of the oil.

Transfer operations are therefore essential for preserving the freshness and quality of olive oil over time.

The timing of the transfer process is important to ensure high-quality oil. After pressing, the oil should be allowed to settle for a period so that sediment naturally accumulates at the bottom of the container. As a general rule, the first transfer takes place within two to three weeks of production, once most of the sediment has settled.

Recommended transfer schedule:

• First transfer: within 15–20 days of pressing, to remove the main sediment layer.
• Second transfer: approximately six months after the first transfer, to remove any additional residues that may have settled.
• Additional transfers: for oils intended for long-term storage, the process may be repeated annually to ensure the product remains stable and of high quality.

The frequency of transfers depends on oil quality and storage conditions, but two transfers per year are generally sufficient to maintain a fresh and pure product.

To transfer olive oil safely and hygienically, dedicated pumps designed for viscous and delicate liquids are used, such as anti-oxidation alloy pumps. These pumps are specifically designed to prevent contamination while preserving the oil's organoleptic properties.

To carry out the transfer process:

• Choose an anti-oxidation alloy oil pump: these pumps resist corrosion and preserve the product's characteristics.
• Insert the suction hose: place the hose inside the oil container, taking care not to disturb the sediment at the bottom.
• Adjust the flow rate: set the pump to a medium or low flow rate to prevent emulsification and minimise exposure to oxygen.
• Transfer into a clean container: use a sterile and suitable container, such as dark glass bottles or stainless steel tanks, to preserve the oil after transfer.

The process should be carried out carefully, maintaining a steady flow and avoiding disturbance of the sediment.

Separating oil from sediment is an essential step in obtaining a clear product that remains stable over time. This process is based on successive transfer operations that remove solid particles without compromising the quality of the oil. Using a low-flow-rate pump is a practical solution for achieving a more precise transfer.

To separate oil from sediment:

• Carry out a gentle transfer: position the suction hose above the sediment layer so that only the clear oil is transferred.
• Tilt the container: where possible, slightly tilt the container to encourage the sediment to accumulate on the side opposite the suction point.
• Use a low-flow-rate pump: a low-speed pump reduces the risk of agitation and allows for a more controlled flow.
• Repeat the process if necessary: if a significant amount of sediment remains, perform a second transfer to remove additional residues.

These steps ensure that the transferred oil is free from sediment and retains its fresh, unaltered flavour.

The settling process is essential to allow sediment to naturally accumulate before the first transfer. This period, typically two to three weeks, enables impurities to settle at the bottom of the container, making the oil clearer and more suitable for storage.

Guidelines for settling:

• Initial settling period: approximately 15–20 days after pressing, allowing the sediment to separate naturally from the oil.
• Subsequent settling periods: before each transfer, it is advisable to leave the oil undisturbed for at least 7–10 days so that any newly formed particles can settle.
• Settling container: use a transparent container or one fitted with a level indicator to monitor the amount of sediment accumulating at the bottom.

Allowing the oil to settle is important for optimal storage, reducing the risk of oxidation and fermentation.

The shelf life of olive oil depends on storage conditions, but in general, it can be stored for between 18 and 24 months without significant loss of quality. After this period, the oil gradually begins to oxidise and lose its organoleptic properties.

To preserve olive oil effectively:

• Use suitable containers: dark glass bottles or stainless steel tanks are recommended to protect the oil from light.
• Avoid exposure to heat sources: store the oil in a cool, dry place away from direct heat.
• Minimise contact with air: always seal the container properly after use to reduce oxidation.

With the correct precautions, olive oil can remain stable and maintain good quality for at least two years.

Olive oil can be stored in tins for approximately 12 months. Tin containers protect the product from light and oxidation; however, they may deteriorate over time, particularly if they are made from materials not intended for prolonged storage.

To store olive oil in tins:

• Choose high-quality containers: opt for food-grade stainless steel containers that do not react with the oil.
• Avoid generic metal containers: lower-quality metal containers may release unwanted particles and alter the flavour of the oil.
• Inspect the product regularly: if the oil develops changes in taste or aroma, it is advisable to transfer it to a more suitable container.

When used correctly, a quality tin container can preserve olive oil without affecting its characteristics for at least one year.

Plastic is not considered the ideal material for the long-term storage of olive oil, as it may release unwanted substances and affect the quality of the product. For this reason, plastic containers should generally be avoided for storage periods longer than a few months.

Precautions when using plastic containers:

• Use high-quality food-grade plastic: choose BPA-free plastic certified for food contact.
• Do not store for more than 3–4 months: after this period, it is advisable to transfer the oil to a more suitable container.
• Keep away from heat sources: plastic may deteriorate when exposed to heat, potentially affecting the quality of the oil.

Stainless steel and dark glass remain the preferred options for storing olive oil safely.

Olive oil can become unsuitable for consumption when it begins to oxidise and turn rancid, a process accelerated by exposure to light, heat and air. Rancid oil develops compounds that alter its flavour and, if consumed in large quantities, may have negative effects.

Signs that olive oil has deteriorated include:

• Changes in aroma: a rancid or acidic smell indicates the onset of oxidation.
• Bitter or metallic taste: signs that the oil has deteriorated and is no longer suitable for consumption.
• Altered colour: a dark, dull appearance may indicate advanced oxidation.

To prevent these issues, store olive oil correctly and inspect its condition regularly.

The best containers for storing olive oil are dark glass and stainless steel, as both materials protect the oil from light and minimise the risk of contamination. Dark glass prevents light penetration, helping to preserve the oil's properties, while stainless steel is durable, hygienic and chemically inert.

Recommended materials:

• Dark glass: blocks UV rays and is ideal for long-term domestic storage.
• Food-grade stainless steel: corrosion-resistant and easy to clean, making it ideal for larger quantities.
• Glazed ceramic: suitable for smaller volumes and helps preserve freshness and flavour.

These containers help extend the shelf life of olive oil while maintaining its organoleptic properties intact.