Royal Duyvis Wiener B.V.

24/7 Technical Support Hotline: +31 756 126 133

+31 756 126 126

Koog aan de Zaan (NL)



Exactitude. Devotion. Nuts.

Cost-Efficiency Maximizers
Our nuts processing equipment is designed to optimize cost efficiency, helping you achieve higher profitability by minimizing operational expenses without compromising quality.

Capacity Champions
Experience unparalleled productivity with our high-capacity solutions, enabling you to process large volumes of nuts with exceptional speed and precision, ensuring your production keeps up with the growing demands of the market.

Service Excellence Pioneers
We are pioneers in providing unparalleled support, backed by our dedicated team and comprehensive after-sales service, ensuring optimal performance, customer satisfaction, and peace of mind.

Revolutionary Nuts Processing: Unlocking Innovations for Exceptional Quality

Experience the pinnacle of nuts processing with our groundbreaking technologies and cutting-edge equipment. Designed to optimize every stage of the journey, from advanced roasting and refining to meticulous packaging, our machinery guarantees consistent and superior results. Partner with Duyvis Wiener to enhance your nuts processing capabilities, ensuring the highest quality output and staying ahead in a competitive market. Embrace the power of innovation and unleash the full potential of your nuts production with Duyvis Wiener.

Duyvis Press Generation 7

Radical changes in the engineering of this press have led to equally radical safety benefits. By turning pots and counter pots and eliminating the hammer beam this machines is top rank for operator and food safety.

The best pressing capacity in the business has just been stepped up a notch. Improve your pressing capacity while reducing your energy usage. The new Duyvis Press comes with remote performance monitoring for even greater efficiency.

The best pressing capacity in the business has just been stepped up a notch. Improve your pressing capacity while reducing your energy usage. The new Duyvis press comes with remote performance monitoring for even greater efficiency.

Contact our specialized team for all your questions

Nuts Processing

Weighubg de-shelled nuts


Unleash Flawless Precision: Our Weighing Section ensures efficient and precise monitoring, optimizing process efficiency and maintaining consistent product quality in nut processing.


Revolutionize Nut Pasteurization with Log5: Achieve safe, chemical-free treatment while preserving taste and structure, ensuring quality, safety, efficiency, and traceability in a patented, fully automated process that ends chemical pasteurization.

Log5 Pasteurizer
Continuous Roaster nuts roasting

Continuous Roasting

Elevate Nut Roasting with our Continuous Roaster: Achieve gentle and precise roasting that enhances color, moisture content, and flavor development, while safeguarding the integrity of the product.


Harness the versatility of roasted nuts as they transform into exquisite nut butter. With our two-stage grinding process, consisting of pre-grinding and fine-grinding, we offer innovative solutions for exceptional results.

Pre-Refining Ball Mill
Nut butter press


Our innovative press efficiently separates nut oil from solids by applying pressure on nut butter. The oil is carefully extracted via plates and screens, while solids become a press cake on the screens. Enjoy superior separation with our advanced technology.

Cake Handling

The Log5 system efficiently converts nut press cake into flour. The three-step handling involves breaking cake disks, cooling them and then pulverizing for best results. Enjoy this streamlined process.

Cake grinding Classifier Mill

Unveiling the Nuts Processing Chronicles

Peanut press machine’s role in oil production

Peanut press machine’s role in oil production

Ever wondered how your favorite cooking oil, that golden peanut oil, is made? It all starts with a state-of-the-art piece of machinery: the peanut press machine. Today, we’ll explore this integral device in peanut oil production and how it, along with our high-tech solutions at

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Unlocking optimal yield in peanut oil processing

Unlocking optimal yield in peanut oil processing

Welcome to Royal Duyvis Wiener B.V., where we take nuts to the next level! Today, we’re delving into the intricate world of peanut oil processing, one of the core offerings of our advanced nut processing technology. If you’re keen on understanding this process in its

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Seed processing plant | Royal Duyvis Wiener

Seed processing plants: Improving crop yields & quality

Seed processing is an essential part of agriculture, and it involves several techniques that help improve the quality and quantity of crop yield. Seed processing plants are specialized facilities that use various technologies to enhance the quality of seed crops. In this article, we will

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Germination process of seed

Understanding the germination process of seeds

Seeds are the fundamental source of life on earth, and their germination process is the first step towards plant growth. The process of seed germination involves the activation of a complex series of biochemical reactions that transform the dormant seed into an active and viable

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Cashew nut processing-plant

Advantages of automatic cashew nut processing plants

As the demand for cashew nuts continues to grow, it is essential for cashew processors to have an efficient, reliable, and cost-effective processing solution. The automatic cashew nut processing plant has become a popular choice for cashew processing due to its convenience, efficiency, and high-quality

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Nut processing equipment

Essential insights into nut processing equipment

Nut processing has come a long way over the years, and this has been facilitated by the use of advanced food processing machinery. Nut processing equipment is designed to perform a range of functions including cleaning, roasting, grading, and packaging, among others. In this article,

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