Hydraulic Oil Press Machine for Premium Cold-Pressed Oil

05/06/2024Oil Press Machine 34128

Fude Machinery hydraulic oil press machines are designed for small-batch pressing of sesame, walnut, almond, flaxseed, peanut and other specialty oilseeds.

The vertical batch pressing process is suitable for small oil businesses, farm cooperatives, nut oil producers, specialty oil brands and pilot production projects. The machine model and supporting equipment are selected according to your raw material, batch capacity, oil type, power supply and workshop conditions.

Request a Hydraulic Oil Press Quotation

What Is a Hydraulic Oil Press Machine?

A hydraulic oil press machine is a batch-type oil extraction machine that uses hydraulic pressure to press oilseeds inside a pressing barrel.

Unlike a continuous screw press, a hydraulic press processes a measured quantity of material in each batch. The hydraulic cylinder applies controlled pressure to the seeds, allowing oil to flow from the pressing barrel while the solid material forms an oil cake.

A hydraulic oil press is commonly used for:

• Sesame oil
• Walnut oil
• Almond oil
• Flaxseed oil
• Peanut oil
• Perilla seed oil
• Pumpkin seed oil
• Camellia seed oil
• Other specialty oils

The actual suitability depends on seed size, moisture, oil content, preparation method and required production capacity.

How Does a Hydraulic Oil Press Work?

A typical hydraulic oil pressing process includes:

1. Cleaning the raw material
2. Adjusting seed moisture if required
3. Loading the pressing barrel
4. Starting the hydraulic system
5. Applying controlled pressure
6. Collecting the crude oil
7. Removing the pressed cake
8. Filtering and storing the oil

Hydraulic pressing generally produces less mechanical friction than continuous screw pressing. However, the actual oil temperature depends on the raw material, filling condition, pressing time, pressure, equipment design and operating environment.

What Materials Can a Hydraulic Oil Press Process?

A hydraulic oil press can be configured for many high-value oilseeds and nuts, including:

• Sesame seeds
• Walnuts
• Almonds
• Flaxseed
• Peanuts
• Perilla seeds
• Pumpkin seeds
• Camellia seeds
• Hazelnuts
• Some other specialty oilseeds

Different materials may require different cleaning, drying, moisture adjustment and loading methods.

For example, nuts may require shelling or size reduction before pressing, while sesame and flaxseed may require careful moisture control for stable operation.

Before selecting a machine, send us the raw material type and a sample description whenever possible.

Hydraulic Oil Press vs Screw Oil Press

Item	Hydraulic Oil Press	Screw Oil Press
Operation	Batch pressing	Continuous pressing
Best suited for	Specialty oils and nuts	Commercial oil production
Production scale	Small or medium batches	Medium and large continuous production
Mechanical friction	Lower	Higher
Product flexibility	Flexible for small batches	Efficient for regular high-volume production
Common materials	Sesame, walnut, almond, flaxseed	Rapeseed, peanut, sunflower, soybean
Main advantage	Specialty product positioning	Higher throughput

A hydraulic press may be a better choice when the business focuses on product differentiation, small-batch production and premium oil products.

A screw press may be more suitable when the main goal is continuous production and higher daily throughput.

You can compare it with our screw oil press machine.

Hydraulic Oil Press Models and Parameters

The following models are reference options. Final capacity and specifications should be confirmed according to the raw material and project requirements.

Model	Pressing Capacity per Batch	Piston Diameter	Motor Power	Recommended Application
6YZ-150	2-3kg	Φ150mm	0.75kW	Small specialty oil production
6YZ-180	4-5kg	Φ180mm	1.5kW	Sesame and nut oil
6YZ-230	7-8kg	Φ230mm	1.5kW	Small commercial oil mill
6YZ-260	10-12kg	Φ260mm	2.2kW	Medium batch production
6YZ-320	18-20kg	Φ320mm	2.2kW	Higher-capacity batch pressing

The final quotation may include:

• Hydraulic oil press
• Pressing barrels
• Oil collection trays
• Hydraulic pump and motor
• Pressure gauge
• Control system
• Spare seals
• Operating instructions
• Optional oil filtration equipment

Complete Hydraulic Oil Pressing Process

A complete small-batch production process may include:

Cleaning → Moisture Adjustment → Loading → Hydraulic Pressing → Crude Oil Collection → Filtration → Storage → Filling

Supporting equipment may include:

• Seed cleaning machine
• Dryer
• Sheller
• Crusher
• Hydraulic oil press
• Oil filter
• Storage tank
• Filling machine

The equipment combination should be selected according to your oilseed, daily production target, final oil quality and budget.

See our oil processing equipment for additional equipment options.

How to Choose a Hydraulic Oil Press

1. Raw Material

The machine should match the size, moisture, hardness and oil content of the raw material.

2. Batch Capacity

Estimate how much raw material you need to process per day and how many batches you plan to operate.

A hydraulic press is normally selected according to batch capacity rather than only hourly capacity.

3. Product Positioning

Hydraulic pressing may be suitable for:

• Premium sesame oil
• Walnut oil
• Almond oil
• Specialty flaxseed oil
• Small-batch peanut oil
• Local cold-pressed oil brands

4. Moisture and Preparation

Seeds cannot be too wet or too dry. The appropriate preparation method depends on the oilseed and machine.

Cleaning and moisture control can improve operating stability and reduce problems during pressing.

5. Workshop Space

The workshop should provide enough room for:

• Raw material loading
• Press operation
• Oil collection
• Cake removal
• Filter cleaning
• Maintenance
• Operator movement

6. Electrical Supply

Before receiving a quotation, confirm:

• Local voltage
• Frequency
• Phase
• Available power
• Motor starting method

7. Filtration Requirements

Hydraulic pressing produces crude oil that may contain fine particles.

The oil should normally be filtered before storage or filling. If the product requires refining, additional refining equipment may be needed.

Learn more about our edible oil refining equipment.

Food Safety and Oil Filtration

Whether extracted oil is suitable for consumption depends on several factors:

• Raw material quality
• Equipment cleanliness
• Processing conditions
• Oil filtration
• Storage conditions
• Local food regulations

The hydraulic press itself does not replace filtration, refining or food safety management.

The oil-contact parts should be cleaned regularly. Customers producing edible oil should also establish suitable cleaning, storage and quality-control procedures.

Maintenance and Cleaning

Regular cleaning and inspection help keep the hydraulic press operating properly.

Recommended maintenance includes:

• Clean the pressing barrel after each batch
• Remove remaining oil cake
• Check hydraulic oil level
• Inspect hydraulic hoses and seals
• Check the pressure gauge
• Inspect the relief valve
• Clean oil-contact surfaces
• Check the motor and electrical connections
• Replace worn seals and filter elements

The recommended spare parts depend on the selected model and operating frequency.

Who Is a Hydraulic Oil Press For?

A hydraulic oil press may be suitable for:

• Small oil mills
• Specialty oil brands
• Nut oil producers
• Sesame oil producers
• Farm cooperatives
• Agricultural projects
• Pilot production
• Research and product testing
• Businesses producing premium small-batch oils

It is generally less suitable for projects that require very high continuous throughput from common oilseeds. In those cases, a screw oil press may be more appropriate.

What Information Is Needed for a Quotation?

To recommend a suitable hydraulic oil press, please provide:

• Raw material type
• Required batch capacity
• Expected daily production
• Country and delivery location
• Local voltage and frequency
• Cold pressing requirements
• Workshop dimensions
• Oil filtration requirements
• Whether filling equipment is needed
• Whether refining equipment is required

If you do not have all the information, send us the material type, target capacity and country first.

Why Choose Fude Machinery?

Fude Machinery provides oil processing equipment and project support for customers in different markets.

Our service may include:

• Machine selection
• Process design
• Equipment configuration
• Workshop layout
• Equipment manufacturing
• Factory inspection
• Installation guidance
• Operating instructions
• Spare parts support
• Technical communication after delivery

We recommend selecting a hydraulic oil press according to your raw material, production method and final product rather than comparing purchase price alone.

Learn more about Fude Machinery.

Frequently Asked Questions

What is the main difference between a hydraulic press and a screw press?

A hydraulic press uses batch pressure, while a screw press uses continuous mechanical compression.

Hydraulic presses are often selected for specialty oils and small-batch production. Screw presses are often selected for continuous commercial production.

Can a hydraulic oil press produce cold-pressed oil?

It can be used for a low-temperature pressing process when the raw material preparation and operating conditions are properly controlled.

Actual temperature should be confirmed through testing because it depends on the material and equipment settings.

What materials are suitable for a hydraulic oil press?

Sesame, walnuts, almonds, flaxseed, peanuts, perilla seeds, pumpkin seeds and other specialty oilseeds may be suitable.

Does the machine produce finished edible oil?

The machine normally produces crude oil. Filtration or refining may be required before the oil is sold as a finished edible product.

How much does a hydraulic oil press cost?

The price depends on model, batch capacity, hydraulic system, materials, control system, filtration equipment, spare parts and delivery location.

Do you provide installation support?

Yes. We can provide installation drawings, operating instructions and remote technical guidance. On-site service can be discussed according to project requirements.

Request a Hydraulic Oil Press Quotation

Are you planning to produce sesame oil, nut oil, flaxseed oil or another specialty oil?

Send us your raw material, batch capacity and destination country. Fude Machinery will help you evaluate the pressing process and recommend a suitable hydraulic oil press configuration.

Request a Hydraulic Oil Press Quotation

You can also send:

• Raw material
• Batch capacity
• Daily production target
• Country
• Power supply
• Workshop size
• Filtration requirements
• Required auxiliary equipment

We will review your project and provide the next recommended step.